Home

JMatPro User's Guide

1. 3 NiFe Based Superalloy Strength and Hardness Heat treatment temperature C no am CAM LA 53 98 GAMMA PRIME 13 17 GAMMA 2 65 W Use default phases Matrix Calculation type Single Calculation variable Precipitate Size Variable precipitate size Linear scale OQ Log scale Size mmm Max Loo Run calculation Help In this case the additional inputs required are e A matrix grain size unit either ASTM or micron e Alinear or a logarithmic range of sizes For a linear range input minimum maximum and step values For a logarithmic range input the the starting and end decades as well as the number of points per decade 2 6 3 high temperature strength calculations NOTES For Ti alloys the calculation is for the time being limited to medium temperatures 32 Heat treatment selection Nickel Based Superalloy Strength and Hardness Heat treatment temperature C Use default phases Input the required heat treatment temperature and press the Get phases button This will calculate the phases present at this temperature The phases included in the calculation can be controlled if the Use default phases option is not selected 1 No precipitation hardening If there is no precipitate phase present at the chosen heat treatment temperature the input panel becomes Stainless Steel High Temperature Strength Heat treatment temperature C 20 j Genes AUSTENITE
2. Physical properties Phases u m al E L em bd z in a ce amp Extended physical properties aksess Eoun i 7 ll d edd d eod edd ded he ede rede pe te ire hs ML E B CAMMA PRIME reins 9 GAMMA PRIME Eiga TOTAL i i eu suu 1000 j 1200 i Temperature C Clear all Select all Dara Densiny Phases detas Options EE wr Ec E 22 e F The property to be displayed can be selected from the choice box labeled Data located on the right side of the toolbar The list of properties dependson the type of calculation made properties during solification properties after heat treatment The Phase details checkbox allows the display of the properties for all phases If this box is checked a panel with the list of phases will appear on the right for the selection of phases for which data should be displayed The Clear all button will deselect everything The Select all button will select everything The selector can also be used very efficiently as a zoom tool Notes For solification physical properties calculations graphs contain two marker axis which correspond to solidus and liquidus For physical properties calculations with a heat treatment one marker axis 1s displayed to mark the heat treatment temperature The panel displayed also has a Phases tab at the top which will display information on the phases as described here 50 Other The other
3. ie FERRITE Blu 5TENHITE GFERRITE aTOTAL p BANITEPEARLITE CA RANITE PEARLITE kal Thermal conductivity W m K 400 EU Temperature C Clear all Grain size 5 0 AST Select all Data Thermal conductivity a iz Rate 1 5 o 1 s Phases details wit MPa HEGI c gt Cooling profile wizard Temperature Time unit 860 0 Hold 5j J cool at Cis 750 0 E Hold s then cool at Cs FOO k Hold 53 then cool at flys 550 0 C Hold is one cool at flys Imnreg I8 55 The cooling profile wizard allows to create a cooling path with variable cooling rates and holding times e First select the temperature and time units e Input the start temperature in step 1 and select the Hold checkbox if you want to hold at this temperture if this 1s the case you also need to input the holding time e Input the cooling rate e If you want to add one step in the profile press the more button a new line will appear and you can again input holding time and cooling rate e The ess button removes the last step 70 e The Save and Load button allows to save re use and modify profiles 2 13 Isothermal tranformation 2 13 1 Isothermal phase transformation calculation Aluminium Alloy Cooling phases Wench temperature Q Temp c 500 Holding temperature Temp CO me Fhases kA AL CL MGFM2 MGesl 4 PRIME 4 T PRIME B PRIME GP AL2CUMG
4. S d a F eon Bon Temperature C 52 2 7 6 Gamma Gamma lattice Mismatch Nickel Based Superalloy hammafGamma mismatch Temperatures C Heat treatment Upper limit Step Phases k Take all phases into account Start calculation Help e Input a heat treatment and upper limit temperatures as well as a step size From the upper limit down to the heat treatment temperature the phase distribution in the alloy will be recalculated Under the heat treatment temperature phases will be frozen By default all available phases will be included in the calculation should you want to choose the phases to include uncheck the Take all phases into account check box and a phase selection dialog will appear The Start Calculation button will launch the calculation 53 2 7 7 Gamma Gamma mismatch plots Bi GammaGamma Lamice Mismatch Gamma Gamma Mismatch wow iT e kaj am ix 3 Gamma Gamma wo W e a Pi LET e ce dim E c del ui rm Ed L i EX n E m L m EL y E D 5 BOO soon 1000 1200 1400 Temperature C Data Lamice parameters v E B L8 88 L3 S e From the choice box labeled Data located on the right side of the toolbar choose to display either the lattice parameters or the lattice mismatch e The marker line on the graph corresponds to the heat treatment temperature e Two formula can be used for the calculation of the lat
5. 1s not vital it is possible to disable the phase boundary search This can be done by going to the Options Show phase boundaries search control menu item and checking it This will add the following panel to the input window Phase Boundaries Locate phase boundaries 18 2 4 5 phase equilibrium graphs i Tem perature Step Plot Al 0 23Cr 1 6Cu 0 5Fe 2 5Mg 0 3Mn 0 4Si 5 62Zn wt 6 AL CR db ALGMN T ALSFE iz ALPHA ak ALPHA 3 MG25I CE ALCRMGMN zl m Gas aL7cuzFeE 35 ALZ CUM G Buczu 9 E ALCRM GMN au c a ae El AL CU2FE 9 5_AL2CUMG 9g MGM Clear all Select all The Data Buttons sPh pio phase distribution vs temperature This is the default display when the displayer is started in step mode e Phy rot phase composition for a single phase Et prot single element distribution among phases Tho single temperature analysis AE piot partial Gibbs energies pio activities of the elements pio Enthalpy vs temperature Ee po Heat capacity vs temperature 19 The Options Buttons i ne on and off the display of a grid on the graphs invert the axis orientation T reete the visibility of the side selector for phases elements to be displayed Only active for single temperature analysis e Beine up a summary of data at the chosen temperature Pl ispay phase distribution in respectively pie chart
6. add the following panel to the input window Phase Boundaries k Locate phase boundaries 2 4 4 profile thermodynamic calculations E jMatPro the materials property simulation software File Material Types NiFe Based Superalloy Profile Calculation Temperature Fixed temperature Cy 800 Phases Take all phases into account Elements variatian Start End Start End 7 Allow different start Set end from saved compo Start calculation Help waiting Tor user input 17 The calculation is made at a fixed temperature which can be modified by the user By default all available phases will be included in the calculation should you want to suspend any phases unselect the Take all phases into account checkbox and a phase selection dialog will appear Input the end composition required If this composition has been saved the Set end from saved compo button will allow to choose this composition by default the start composition is the current one but it 1s possible to select any other one if Allow different start is selected The Start Calculation button will launch the thermodynamic solver NOTES For Al alloys certain coatings may lead to phases not present in the thermodynamic database Please check the phases list and if in doubt consult us If the thermodynamic solver finds a calculation difficult in many cases it is because the exact location of a phase boundary is difficult If this
7. applied such that solidification can be displayed as complete 1 e fraction solid equals 1 when the solidification cut off 1s reached This is an option in the purely thermodynamic Scheil Gulliver option but this correction is applied in all cases when the physical property model is used 5 3 2 How to deal with Gas 5 4 Creep FAQs 5 4 1 Why is there an inflexion in the creep curves Creep occurs under the influence of an effective stress which 1s the difference between the applied stress and the back stress which is generated by the microstructure In the presence of particles the back stress is determined by a different mechanism for low applied stress climb and high applied stress looping The inflexion marks the point at which there is a change in mechanism 87 5 5 Lattice mismatch FAQs 5 5 1 Why is there a change in slope for the gamma gamma mismatch Below a critical temperature achievement of true gamma gamma equilibrium is prohibited by kinetics The amounts are effectively frozen in and it 1s usual to assume that the amount of gamma at the final heat treatment stage dictates these amounts The two regimes are then where the gamma gamma amounts and compositions remain frozen and the change in lattice mismatch with temperature is governed by the inherent difference in expansion coefficients between the two phases Above the heat treatment temperature JMatPro allows gamma gamma equilibrium to be ach
8. calculation General is the physical and thermo physical properties calculations which was already present in version 1 of JMatPro It has been kept and improved in case you find it useful please let us know if you are still using it It has been superseded by the extended general properties which is more powerful and generally recommended In the general mode the user chooses a heat treatment temperature which defines the phase amounts and physical properties are calculated at various temperatures below the heat treatment temperature keeping the phase distribution frozen The results are displayed in a table and no details on the contribution to the property values of each phase are given Dynamic calculation The Dynamic calculation assumes the phases that exist are those predicted to be there at each temperature from a previous thermodynamic temperature step calculation This can also be used to calculate properties when stepping in concentration when temperature is fixed Extended general calculation The Extended general mode performs a calculation of properties vs temperature by first considering a heat treatment temperature It is then considered that below this temperature as for the general calculation case the phases are frozen in Above the heat treatment temperature the phase amounts are allowed to change to their equilibrium values and the calculation is made as for the dynamic mode Solidification properties The Solidi
9. cree tre i etes e ime tree ten Rite M tu eee re 88 5 6 1 I know a phase exists in an alloy but I can t see the TTT or CCT curve for it even though I ve selected it in the TTT CCT module eeeeeeeeeeeeessssess 88 9 45 JMatPro s High temperature strength FAQ eeeeeesseseese 89 5 7 1 I have specified a specific room temperature stength but it is not the value wucmisultimatiy calculated 15 9 ded troupe a a cile aeu e dili 89 1 Installation 1 1 System requirements In order to run JMatPro efficiently a minimum configuration should be e Pentium IV or equivalent e 256Mb RAM e Screen resolution is expected to be 1024x768 pixels or better A smaller resolution would probably lead to very ugly oversized windows A minimum size of 17 inches for the screen is recommended to work comfortably with multiple windows JMatPro has been tested under Linux for x86 Windows 98 Windows NT4 Windows 2000 and Windows XP Although JMatPro runs under Windows ME this operating system is not recommended because of some glitches in the graphics JMatPro will not run under anymore under Windows NT 3 x 2 User Interface 2 1 the main input window i MatPro the materials property simulation software File Material Types Options Utilities Help Mickel Based Superalloy Thermodynamic Properties Step Temperature Profile Single Solidification amp cheil Gull
10. external applications you can select it by going to the Options menu However this built in browser will not display the validation files which are in PDF format 2 Problems with snapshots saved to PostScript Encapsulated PostScript or PDF formats These problems are rooted in the third party java library we are using to create these snapshots We have little or no control on it and all we can do is to find work arounds The main glitch we have come across is that pie charts exported to PS EPS or PDF have got badly defined edges and not circular 3 I would like to save pictures to the GIF file format JMatPro does not provide exporting pictures to the GIF file format Please use the PNG Portable Network Graphics file format instead PNG is very similar to GIF and likewise can be imported in all good office word processing graphics application 4 I would like save graphs as high quality pictures 84 Exporting graphs to most of the graphic formats may result in curves or fonts which are not perfectly smooth Higher quality pictures may be obtained saving to PostScript Encapsulated PostScript or PDF formats Windows user which want to get all the benefit from these formats are advised to install the Ghostview GSview Ghostscript programs These programs can be found on the CD Rom alternatively they can be downloaded from the Ghostscript website If you want to create a report including a PostScript picture e Open the picture wi
11. material file Move up Move a dataset or a property subproperty up the tree Move down Move a dataset or a property subproperty up down the tree Help Bring up this help window Exit Close the browser IL Material browser a materials Calculated properties User data T ALANO Composition wise Nj 52 96 A 0 5 Cr 19 Fe 18 5 Mos Nb 5 1 Tios c oog 3104 mat 339 1 mat 3 356 mat A materials NiFeSuperalloy 718 mat Seems O G Thermodynamic Properties Genaralsteal 1E3 step Temperature J MgAlloy F all phases included NiFeSuperalloy delta suspended ids 9 O Solidification O EJ Scheil Gulliver Misuperallas L standard calculation _ singlecrystal O C3 Physical Properties _ Stainlesssteel TiAlloy O standard calculation O G Phase transformation 1 amp 3 TTT CCT Diagrams TTT calculation CCT calculation O EJ coarsening E C coarsening of gamma and gamma at 650 and 750C O 3 Mechanical Properties O E3 Precipitation Hardening L heat treated 620C effect of gamma and gamma particle size O Creep L 1e creep at 650C De bn z il data Load compo Dalete data Comment Move Down Mowe Up Help Exit The User data tab E Material browser d materials Calculated properties User data aedis Here the user can input whateyer text he woarnts By using html it is even possible to use links to file
12. multiple bars single bar chart form 20 20 choose between 2D and 3D graphs The Elements Phases Side Selector This selector gives you the choice of the elements or phases you want to appear on the current graph Check uncheck the various check boxes to keep or remove the phases or elements The Clear all button will deselect everything The Select all button will select everything The selector can also be used very efficiently as a zoom tool just deselect the major phases to show only the minor phases Should you wish not to display this selector the EB buttons on the toolbar will toggle its appearance Other The other features and buttons are common to all graphs and are explained in the graphs page 20 2 5 TTT CCT calculations 2 5 1 General TTT CCT calculation This page describes TTT CCT calculations for Al Ni and Ti alloys Stainless steels are handled in a slightly different way explained here BH MatPro the materials property simulation software File Material Types Options Utilities Help Show properties NiFe Based Superalloy TTT additional parameters Calculation type Amount transformed 2 TTT CCT Percent os Ba Start temperature C ckground phases TTT phases O User choice 1o00 SIGMA ML GAMMA PRIME EA GAM MA ETA DELTA Get tap solvus nat searched LAVES O mE O M23c6 CIMEC Start calculation Help L M7C3 LI M2 C N waiting far user input CCT calculation or
13. start temperature input may not be always activated depending on the material type chosen By default the start temperature 1s calculated automatically This temperature 1s calculated as being just above the temperature of the TTT phase with the highest solvus temperature Alternatively the user can input their own value For convenience the top solvus can be calculated and displayed Other input are the amount transformed and the background phases The TTT phases are those for which curves will be calculated Each can be deselected if required The background phases are those that are included during the thermodynamic calculation to calculate driving forces When carbides are included in the calculation the start temperature can be different which as expected may lead to differences in the calculations 21 2 5 2 Stainless Steel TTT CCT calculations For Stainless Steel the user 1s requested to choose between several sub material types e Duplex Stainless Steel e Ferritic Stainless Steel e Austenitic Stainless Steel Duplex Stainless Steel Stainless Steel TTT additional parameters Stainless Steel type Amount transformed 2 Duplex O Austenitic C Ferritic Percent Background phases Calculation type TTT CCT Use all background phases Duplex temperature 4 TTT oh phases 39 User choice gon SIGN A CHI L AVES 4 ALPHA CR Start calculation Hep Omen Omen M23C6 M7C3 CIMEC Duplex temperat
14. transformation please enter the transformation percentage required Press the Start Calculation button when you are done with the various selections 25 2 5 5 TTT CCT diagrams Temperature CJ Temperature C TTT NiFe Based Superalloy Bicis liu 53 GAMMA PRIME O 535 aM arto 55 META Sx BIDELT A 0 55 B LAVES O 55 Buceo 55 MECOS e M 7Cz 0 5X 3k M 2 4C N 0 5d GAMMA PRIME O 535 B cum nto 5x BET 0 55 BIDELTA O 5X BlLAvES O 55 1600 0 Ch 100 0 Cih 10 0 C h 1 0 Ch ME TORB DELTA 10273 SIGMA B163 M2306 S696 0 M amp C data out of range MC not searched M7C3 data out of range GAMMA 945 B LAVES 834 5 MU data out of range DELTA 1027 3 SIGMA data out of range M236 data out of range M2 C MY data out of range GAMMA PRIME 915 6 ETA 320 3 26 The Toolbar Buttons e LS min d Set the time unit Other The other features and buttons are common to all graphs and are explained in the graphs page 2 6 Mechanical properties 2 6 1 general steels Jominy hardenability General Steel Jominy Hardenability Grain size Gans Bid Austenitisatioan temperature Tee C Bar details Maximum length WO cm start calculation Help e Grain size the grain size to be used either ASTM or microns e Austenitisation temperature specify a given temperature e Specify a maximum and step length Press
15. 2 10 2 coarsening plots L Coars ening Graph Coarsening graph amma Corsening rates nir nm n 1 3 T 750 0 XT 700 0 C T 650 0 C E Lt ke a Fu a E a Lt qu E t m e Ll i l2 14 i16 18 20 22 3234 26 Ageing time h 1 3 The Toolbar Buttons e The first choice box in the tool bar allows to display curves in 3 modes o Gamma coarsening for all temperatures 64 o Gamma coarsening for all temperatures o Gamma and Gamma coarsening for a single temperature If this choice is made a second choice box is activated to select the temperature e min d Set the time unit Dee roel the time axis scale between logarithmic and linear Info panel In the info panel you will find the coarsening rates associated with the curves displayed The time unit can be changed via the time unit icon in the tool bar Other The other features and buttons are common to all graphs and are explained in the graphs page 65 2 11 Martensite transitions 2 11 1 martensite transition calculations Stainless Steel Martensite transition Martensite trans based an alloy compo Martensite transition 172 4 C Select dataset File Dataset Thermodynamic calculation data Use previous data Choose from last Choose from saved Run new calculation New step calc Run calculation Help The Martensite transition calculated on the basis of the alloy composi
16. 77 Creep calculation ee Ce Te IL Fe 35 394 Mb 3 01 Ti 1 82 C 0 02 APB energy hiim ay Gamma 0 261 Gamma 0 254 Stacking fault energy O24 im Matrix moduli Pa Young s 185 39 Shear 69 9 Lu m JJ l Lam z E pu s cd Im ut Lu L2 im m _ i2 EXE 1 r T Eo 2 400 600 Stress MPa bs 8 2 Le E C ue an The Toolbar Buttons si Hoggle the stress unit between MPa and ksi Set the time unit for the creep rate Hog Jroseie the time axis scale between logarithmic and linear Other The other features and buttons are common to all graphs and are explained in the graphs page Note When gamma or gamma is present an inflexion point in the curve may be seen This is due to a transition that occurs above a characteristic stress level which 1s related to the back stress arising from the hardening effect of these phases A more detailed explanation can be found here 43 2 6 7 Stress strain curves he s Smain curve Stress Strain Curve Strain Work hardening coefficient 0 0832 0 2 Proof Stress 1000 0 MPa wes me JIMPg svan rve 7 Ieee Creation Stress strain curves are generated on the fly from stress and hardness plots The toolbar Buttons e Two choice boxes allow to toggle between Engineering and True stress or strain e MPa ksi Hoggle the stress unit between MPa and ksi Other The
17. 99 3 735 W Use default phases Matrix Calculation range O Fix strain rate 1 9 Fix temp iC 1000 Strain rate range 1 5 from 10 min ta 1o0 max Min Max Divisions per decade Eun calculation Help 33 e Input a matrix grain size choosing between ASTM and micron for the grain size unit e Select between variable temperature or variable strain rate calculation and input the value of the fixed temperature strain rate If variable strain rate is chosen input on a logarithmic scale of minimum and maximum decade and number of values per decade are required One precipitate phase present When one precipitate phase is present and single calculation is selected the input panel becomes Nickel Based Superalloy High Temperature Strength Heat treatment temperature C no cmm CAMA SH 4655 GAMMA PRIME 3 8835 W Use default phases Matrix Grain size mews i Input 3 RT strength Precipitate sizes Room temperature strength 0 2 Proof Stress 1000 MPa J Calculation range Fix strain rate 1 s O Fix temp O 1 0E 5 Kun calculation Help e Input a matrix grain size choosing between ASTM and micron for the grain size unit e Select between variable temperature or variable strain rate calculation and input the value of the fixed temperature strain rate If variable strain rate 1s chosen input of minimum maximum and step values are required 34 Additional input about the pre
18. EJ Coarsening L C coarsening of gamma and gamma at 650 and 750C O Ej Mechanical Properties Ld Precipitation Hardening L heat treated 620C effect of gamma and gamma particle size O g Creep L E creep at 650C Loaddata data Load compo Delete data O Delete data Comment Comment Move Down Move Down MoveUp Moye Up Help Exit Left Panel The left panel allows easy navigation through the material files via a tree like representation left click on a material file will display the saved properties in this file right click on a material file will display a pop up menu which allows to delete this file or to rename it Top Right Panel The right top panel gives valuable information about the material file composition user comment The Datasets Tree The top of the tree is the path to the file we are exploring The tree has ramifications corresponding to properties subproperties and datasets To load or remove a dataset check the box corresponding to the dataset of interest and click the Load data or Delete data button The Buttons Load data Load the data associated to the selected datasets Load compo Transfer the current material file composition to the main window to be used as the work composition Delete data Delete from the material file the data associated to the selected datasets Change comment Modify the user comment associated to the current
19. JMiatPro User s Guide 794 JMatPro 4 0 ente Software Copyright 2005 by Sente Software Ltd The JMatPro software and all associated documents are furnished by Sente Software Ltd for information and testing purposes only to licensed users of the JMatPro software product and is furnished on an AS IS basis that is without any watranties whatsoever express or implied Java and all Java based trademarks and logos are trademarks or registered trademarks of Sun Microsystems Inc in the United States and other countries Microsoft MS DOS and Windows are registered trademarks and Windows NT is a trademark of Microsoft Corporation KL Group the KL Group logo JClass JClass Chart and JClass PageLayout are trademarks of KL Group Inc All other products names and services are trademarks or registered trademarks of their respective companies or organizations The software described in this document is furnished under a license agreement The software may be used only in accordance with the terms of that license agreement Table of Contents E AET area E ree E TE E ater on etree NOn 1 Cser Er E e one oodd IEEE uA Det aL EE c 2 2 1 the mom input WIN OW uoc qe EE ERE OI RERO D DNI Ds eI e o pe duds 2 2 25 JMatPro User s Guide the material browser ssss 6 23 COMMON features eo e ma roD e DF Ro Re DR ae ae 8 2 4 Thermodynamic calculations ccccccccsssssecccccccca
20. T ALCUMGZN THET A PRIME ET PRIME b BET PRIME BET A Select All Clear All start calculation Help e Choose the quench temperature e Choose isothermal holding temperature e Select the phases for which to calculate the transformation e Press the Start calculation button The TTT CCT and isothermal kinetic calculations are based on each phase precipitating independently from the supersaturated Al solid solution As such no phase competition is considered The calculations will provide good predictions for the limiting phase that forms in all cases When there is a clear fastest phase that forms 71 good results for the amount of phase vs time should be found for that phase in the isothermal calculations However if phase competition 1s very close some care should be taken in interpretation 2 13 2 Isothermal phase transformation graph Phase evolution lt 2 gt Phase evolution s5 AL2 CLIMG Buc FBET PRIME 3k B PRIME H BETA loo l1oooQ loo000Q0 loooQ000 Time s Holding temperature C 200 0 Quench temperature C 500 0 Ls ke Leg Js E 2 9 E LE le a 8 S_ALZCUMG MG25l BETA PRIME B PRIME BETA Clear all Select all e All features and buttons are common to all graphs and are explained in the graphs page T2 2 14 Phase formation on cooling 2 14 1 Phase formation on cooling calculation Titanium Alloy cooling phases Grain s
21. alculated based on equilibrium energy differences Calculated using austenite composition at 600 0 C Transition bs E 2 85 C ue an e The transition type Ferritic Austenic can be selected in the toobar 76 The display of the differences of Gibb s energy and enthalpy can be toggled with the following buttons in the toolbar The other features and buttons are common to all graphs and are explained in the graphs page T1 3 Material specific information 3 1 General steels calculations Thermodynamic calculations Alloy carbides As elements like Cr Mo and Ti are added various carbides may form for example M7C3 Ti C N etc If alloy levels become sufficiently high these may become more stable than cementite In the thermodynamic calculation module it is still possible to calculate the metastable equilibrium with cementite by removing these carbides using the select phases options TTT CCT and Jominy hardenability Alloy Carbides If an alloy carbide or carbides becomes so stable that it is present during austenitisation the TTT CCT and Jominy hardenability calculations deal with it in the following way Firstly the phase equilibrium is calculated at the austenitisation temperature with the alloy carbide s being present The composition of the austenite in equilibrium with the carbide s 1s then taken as the base composition for the various TTT CCT and Jominy calculations Dual phase steels The a
22. ate size mode is selected The input panel becomes Nickel Based Superalloy Strength and Hardness Heat treatment temperature C no Gps IGAMM A PRIME FU 35699 GAMMA 26 7625 Use default phases Matrix oe E ex fg Calculation type O Single Calculation Variable Precipitate Size Variable precipitate size 3 Linear scale 9 Log scale Size fri 1 100 1 Kun calculation Help In this case the input required is e A matrix grain size unit either ASTM or micron 30 e A linear or a logarithmic range of sizes For a linear range input minimum maximum and step values For a logarithmic range input the the starting and end decades as well as the number of points per decade Two precipitate phases present When two precipitate phases are present Gamma and Gamma in Ni based alloys at the chosen heat treatment temperature the input panel becomes MiFe Based Superalloy Strength and Hardness Heat treatment temperature C no ememes IGAMMA 83 985 GAMMA PRIME 12 17 GAMMA 2 6555 Use default phases Matrix Calculation type 2 Single Calculation O Variable Precipitate Size Precipitates sizes rr Gamma Gamma major axis Kun calculation Help e By default Single calculation mode is selected e A matrix grain size unit either ASTM or micron e A particle size for Gamma and Gamma If the Variable precipitate size mode is selected The input panel becomes
23. aterials property simulation software File Material Types Options Utilities Help MiFe Based Superalloy Temperature step Calculation Temperatures C stan 1500 End 600 Step 35 Fhases Take all phases into account Start calculation waiting for user input e Input start end and step temperatures e By default all available phases will be included in the calculation should you want to suspend any phases unselect the Take all phases into account checkbox and a phase selection dialog will appear e The Start Calculation button will launch the calculation NOTES e The default temperatures and the direction start at high or low temperature are chosen in order to ensure the most efficient calculation 1n the majority of cases Although the thermodynamic solver is very robust it may be affected by the equilibrium at the starting point the direction of the calculation or the step size For complex calculations the user may wish to reverse the direction or change the temperature range and or step size Another possibility 1s to remove some phases from the calculation e If the thermodynamic solver finds a calculation difficult in many cases it 1s because the exact location of a phase boundary is difficult If this 1s not vital it is possible to disable the phase boundary search This can be done by going to the Options Show phase boundaries search control menu item and checking it This will add the follo
24. b delineated file for export to third party software By default data will be saved in the JMatPro export data folder save the current graph as a picture in a graphics file By default data will be saved in the JMatPro export pictures folder At this time snapshots can be exported to PNG GIF PS EPS PDF JPEG and BMP file formats The default is PNG Portable Network Graphics which although not yet widely known can be imported to documents in most common office applications and text processors e Als ave ALL the data associated to the calculation in a material file This will enable you to regenerate the present window at a later date without performing the calculation again e cose the current window Common hidden features e Drag zoom Holding the shift key down clicking the left mouse button then dragging will define a zoom area To reset the graph to full scale press r reset on the keyboard e Point coordinates Clicking on a point in a graph will open an information window giving you the coordinates of the point Saving data to material files JMatPro features a built in indexing system which keeps track of the saved data Specifically it associates all data with a material composition signature This allows for instance JMatPro to find the right thermodynamic data when i e performing Strength and Hardness or general Physical properties calculations Furthermore this allows quick location of appropriate exi
25. bove method of operation has a further very significant advantage in that it 1s possible to make a calculation for the transformation of austenite in a dual phase steel In this case the user should choose an austenitisation temperature that lies in the equilibrium austenite ferrite phase field The module then 1 tells you that you are in the austenite ferrite phase field 2 displays the amounts of austenite and ferrite in equilibrium 3 calculates the transformation for austenite with the composition at that temperature and 4 calculates the Jominy hardenability for the mixture of ferrite formed at the austenitisation temperature the transformed austenite 78 4 Utilities 4 1 conversion utility This tool provides a user interface for conversion between units If the Strength and Hardness module is part of the program conversion between 0 2 Proof Stress Tensile Stress and Hardness are possible as well BU Conversion utility Temperature carmversion 53778 7B Temperature ficoo J r r eb PEM 810 1093 Grain size conversion Microns Strength and hardness conversion Material type General Steel Input property 0 2 Proof Stress 0 2 Proof Stress 1300 Hint 0 lt value lt 3500 0 MPa Tensile Stress 188 57 Hardness Temperature conversion input the value select the temperature unit to convert from press to trigger the conversion Grain size conversion input a va
26. choose the type of material you wish to work with Once a material is chosen a default composition table and a list of the properties you can calculate are brought up The Options menu This menu gives you a high level of control on many settings of the program e Run in verbose mode Run in quiet mode verbose mode shows you what is going on but SLOWS THINGS DOWN A LOT keep it Quiet under normal circumstances e Record session Stop recording record to a file the program activity this will become useful when you encounter a problem and want to provide us with all the info we need to help you This slows things down as well e General Preferences o Reference states define reference states for Partial Gibbs energies and Activities Not integrated yet Standard Element Reference is used by default o HTML and PDF readers not all platforms define the applications to use to read help files o Printing define printing preferences paper size o Fonts define font preferences color size style for graphs e Order of elements define the order of the elements in the composition table e Show phase boundaries search control If this option is selected the input window for calculations of thermodynamic properties Stepping Profile includes a new checkbox which allows the disabling of phase boundaries search This can become very useful when the solver finds it difficult to locate a given phase boundary and if this exact temperat
27. cipate phase is required this can either be the room temperature proof stress ultimate tensile stress hardness or particle size Input or RT stress hardness e Select the available data type and unit and input the value e Please note that the particle size is calculated from room temperature strength assuming a standard strain rate of 0 02 min As such in the proof stress vs temperature graph the value at room temperature will be renormalised to take into account a different strain rate Input of particle size s Nickel Based Superalloy High Temperature Strength Heat treatment temperature C 70 dts DAMMA 5B 483 GAMMA PRIME 3 7 58326 Use default phases Input O RT strength 9 Precipitate sizes Distribution of precipitates ges ore see eS amosa ELS Matrix Precipitate 1 100 to Poe at On ange Precipitate 2 Precipitate 3 1 0E 5 9 Fix strain rate 1 s Fix temp C o Eoo Help Run calculation e Precipitate distribution select between uni bi and trimodal distributions and give size s and abundance s Please note that you will not get the same result with for instance o Unimodal distribution 100 of size S o Bimodal distribution 35 of size S and 65 of size S We summate the strengthening contribution of each size distribution However in the extreme where the sizes are the same the addition gives a value greater than a single dist
28. cipitate phase is present and single calculation is selected the input panel becomes Nickel Based Superalloy Strength and Hardness Heat treatment temperature C zo cepe CAM MA PRIME 70 26 GAM MA 265 635 W Use default phases Matrix Grain size Calculation tre 2 Single Calculation 2 Variable Precipitate Size Distribution of precipitates oe fon size EXE 282 rrmosa Size mr Percent precipitate 1 precipitate 2 meus n p Kun calculation Help e By default Single calculation mode is selected e Select the unit for the grain size ASTM or Micron e Imput the value of the matrix grain size 29 e A precipitate distribution select between uni bi and trimodal distributions and give size s and abundance s Please note that you will not get the same result with for instance o Unimodal distribution 100 of size S o Bimodal distribution 35 of size S and 65 of size S We summate the strengthening contribution of each size distribution However in the extreme where the sizes are the same the addition gives a value greater than a single distribution of that size This is due to non linear effects in the strength equations Our testing shows the additivity rule works well when there is a distinct size difference 1 e factor of 2 or more When sizes are closer an average size would be better e To launch a calculation press the Run calculation button If the Variable precipit
29. cordingly 89
30. d ipe ade rv dia aGeealarages 67 2 12 Quench properties of General Steels ssssssseeeneenenel 67 2 12 1 Quench properties calculattotiu uu ce tede eerta na haod rhe dni 67 2122 Quench properties PraplIS urere oa eive eve Enn a ong uUa chose Quu De sen dede UE CEDE 69 2 12 3 The cooling profile creation wizard ccccccccccccccccccceeeeesseseseseeeeeeeeeeeeeeeeeaaas 70 2 13 Isothermal tranformation cccccccccccccccccccccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeess 71 2 13 1 Isothermal phase transformation calculation eeeeeeeeeeeeee 71 2 13 2 Isothermal phase transformation graph eeeeeeesseseeeeeeeeeeeeeennnn 72 2 14 Phase formation on cooling ssseeesssseeeeeeernmmeeeeenneennns 73 2 14 1 Phase formation on cooling calculation essen 73 2 14 2 Phase formation on cooling graph ccecccecccccccccccceeceeeseeeeeeseeeeeeeceeeeeeeeeeaaas 74 2 15 Enerey Chance ioo oe dete uet nie uen 75 25 Energy changes caloulattONE siio eol iis bebe Feline ER bL iso Pin eise Po bee aa 75 2 15 2 Energy change calculation Cast Iron esses 75 Do Eney chance SOE AO Mt cars d deunfiicteuliccdutde cu eam fedem den lee nak me Df dee 76 Material specific information sese 78 3 1 General steels calculations ssssssssssennnnnn 78 UON ES
31. e can be upgraded to provide further elements and phases Please contact the address given in the Help About menu item For TTT and CCT calculations the software has been validated against experiment for a wide range of steels of all types A paper describing the validation process is provided in the Help menu under Articles amp docs There is also a paper providing validation data for Jominy calculations in HSLA steels 5 2 2 How do I deal with Alloy Carbides As elements like Cr Mo and Ti are added various alloy carbides may form for example M7C3 Ti C N etc If alloy levels become sufficiently high these may become more stable than cementite In the thermodynamic calculation module it is still possible to calculate the metastable equilibrium with cementite by removing these carbides using the select phases options If an alloy carbide or carbides becomes so stable that it is present during austenitisation the TTT CCT and Jominy hardenability calculations deal with it in the following way Firstly the phase equilibrium is calculated at the austenitisation temperature with the alloy carbide s being present The composition of the austenite in equilibrium with the carbide s is then taken as the base composition for the various TTT CCT and Jominy calculations The main effect of carbide formation at the temperature of austenitisation 1s the removal of C from the austenite The pearlite temperature can subsequently be lowered and t
32. ended physical and thermo physical properties esseeeesee 47 2 7 4 Dynamic physical properties calculation cccccsssseeeceececeeeeeeeeeeeaeaeeeeeeees 48 21 5 physical and thermo physical properties plots eeeeeeeeeeeeessssssss 50 2 7 6 Gamma Gammqa lattice Mismatch sss 53 2 d Gamma Gamma mismatch plots eti cierres rtis eee s esa tune au a eae Ee rada 54 2 7 8 Stacking fault energy calculation criai iaa E E 55 2 119 Stacking fault ener ey Crapo weenie aie aa EE RR OUS HU DRE UI EORUM 56 2 8 solidification calculations sssssssse enne 57 2 8 1 Calculation Vindo Weena aaa aR 57 2 8 2 Solidification Clap MS a E TE UG RUNE 59 2 9 Chemical Properties uoto Ere ERU Ie en Em DIS easiness acta 61 2 9 T pitting resistance calculations sseeeeseeeeeeeseseseeeeeeeeeee eene 61 2 92 pittine FE SIS PANIC DIOS qu o deron aa damit a ted vu E caca cee d een d ru D rod 62 2 10 nrc A T 63 2 10 1 seoarsentuse calculattOfic osse bte rosters trite A AA 63 DANO Ds xeoarsentie IOUS ru i latitud wd n DUaae tuis nse aoutsSonk E Meckutiat eatin 64 2 11 Martensite transitions cc ccccccccecccceccecesceccsceccecesceccscescecescecsscuseecascesesceses 66 2 11 1 martensite transition calculations eee nnne 66 2 112 dnartensite transition 9Sraplis den ei
33. erritic Phases Take all solid phases inta account Include Gas Start calculation Help For Cast Iron we first calculate the phases formed assuming a Scheil Gulliver solidification model and then the solid state transformations occuring in the Austenite formed during solidification The two calculations are then merged to get the phase prediction Two types of calculations are possible e Fora pearlitic material type Graphite formation is suspended at the end of solidification e For ferritic and austenitic types Graphite formation is allowed to continue after the end of solidification is reached 58 2 8 2 Solidification graphs eee Physical properties Phases eS cs Fe 0 35Mn 2 58i 3 83C 0 01N O 03P 0 04S wt 14907 t T T 13001 1200 E 1100 w GRAPHITE l on ao GAS WcRAPHITE FJAUSTENITE Owns CEMENTITE FERRITE o had a i 7 i T OL E L w CEMENTITE i a i i i i 0 4 0 5 0G Fraction Solid Weight Clear all Select all Daa Eg Ec ES Pn EN CH Ee LAY orvon 8 B ed e 8 22 E E EE Ie a I At the top of the graph you will find two tabs Phases and Physical properties which allow to choose between two graph panels The physical properties panel is described here We will here describe the specific features of the Phases graph panel The Data Buttons Fshrotal fraction solid vs temperature This is the de
34. es is triggered by pressing the Save as picture button in data tables or the m in plots BELLE File Mame export pictures chart jpeg Browse Encoding Type Joint Photographic Experts Group JPEG Save Cancel By default data will be saved in the JMatPro export pictures folder To change the name of the saved picture the user can edit the File name field If another location is preferred the browse button will open a file dialog allowing easy navigation through the folder hierarchy on the user s computer Please note Snapshots saved to PostScript Encapsulated PostScript and files show glitches Refer to this part of the FAQs to find out about alternatives 13 2 4 Thermodynamic calculations 2 4 1 single temperature thermodynamic calculation E jMatPro the materials property simulation software File Material Types Options Utilities Help MiFe Based Superalloy Single Calculation Temperatures C Temperature Loon Phases Take all phases into account Start calculation Help waiting for user input e Choose the temperature e By default all available phases will be included in the calculation should you want to suspend any phases unselect the Take all phases into account checkbox and a phase selection dialog will appear e The Start Calculation button will launch the thermodynamic solver 2 4 2 temperature stepping thermodynamic calculations 14 MatPro the m
35. esseeeccceeeeaaeseeececeseeaaaasseees 14 2 5 TEECCTcdlculati DSis oce olei etai nies eae ere renee 21 2 95 General TTT CCT calculation ccccccccccccccccceceeeeeceeaaeeessseeeeeeeeeeeeeeeeeaaas 2 2 52 Stainless 5teeEET ICCT calculations 25d repe Festus dr vraie Fees Ra de per reno 27 25 3 general steels MM LO Od EcL 24 2 5 4 TITCCEIcaleulition Cast Ons iioi date et a toe biu odo bn loin bi uotum 24 2 5 9 TEYEC Fda batis teidsodsaphtua edito bun e nana eu nta 26 2 6 Mechanical DEODOELES aieo cent on REN NOUO IER qe a ets 24 2 6 1 general steels Jominy hardenability eesis iaae T 21 2 02 strength and hardness calculations cccccscessseeccceeceececeeeaaaeessseseeseeeeeeeees 28 2 6 3 high temperature strength calculations eeeeeeeeeeseeeeeeeeeeeeeenenn 32 2 6 4 Sttesscand Dardfiess DIOLS assessed poeta dee edat doen adeo aisi dad oath odes 36 2 6 5 Creep calculation Sonon A E 37 2 6 6 E aa a Moto Te A Ln ed 43 2 6 7 SIPESS SUAS CUE VOS iioii olo bdo arn inan ie bun go lona lad ox had pina Lido d aca Ld inne 44 2 6 8 SUPE SS sian CUEVE SCUTIS een E P nies Oo ES o OSEE tura dta do incite 45 2 7 Thermo Physical and Physical properties seseeeeeesssess 45 2 14 Choice of physical properties calculation sesssseeeeeeeeeeeeenenee 45 2 1 2 Physical and Thermo Physical properties calculations 46 2 4 3 Ext
36. fault display when the displayer is started E roti fraction liquid vs temperature Ph Baction solid of all phases vs temperature Ph s cie phase analysis El sincie element analysis LH pict Enthalpy vs temperature or Enthalpy vs fraction solid 59 Ee po Heat capacity vs temperature or Heat capacity vs fraction solid Hio Latent heat vs temperature or Latent heat vs fraction solid The Options Buttons FF Trogele between temperature and fraction solid axis e SE ormalise data to full solidification This button is not present when the calculation has been made for a Cast Iron since for this material type the complex nature of the calculation implies that fdata have to be normalised to full solidification 8 rte on and off the display of a grid on the graphs havert the axis orientation T sie the visibility of the side selector for phases elements to be displayed The Elements Phases Side Selector This selector gives you the choice of the elements or phases you want to appear on the current graph Check uncheck the various check boxes to keep or remove the phases or elements The Clear all button will unselect everything The Select all button will select everything The selector can also be used very efficiently as a zoom tool Just deselect the major phases to show only the minor phases you wish not to display this selector the ons on the toolbar will to
37. features and buttons are common to all graphs and are explained in the graphs page Young s and shear moduli In version 4 0 the possibilility to calculate so called relaxed has been introduced The concept motivatiing this 1s that at high temperature the mechanism which governs the deformation needs to take into account H Solidification physical properties 2 Physical properties Phases 1 r COMPOSITION W13 General physical properties nee Mo 0 21 Mi 3 42 5t 0 22 TOTAL TOTAL relaxed m oa iJ hei in E 2 E An i e 1000 i 1200 Temperature C F Add relaxed modulus for strain rate l s i Dara Young s rmodulus 7 _ Phases details wi 8 If you wish to display the relaxed modulus simply check the Add relaxed modulus checkbox at the bottom of the graph and input a strain rate value The graph will be updated as the strain rate is changed Cast Irons For Cast Irons the Graphite phase structure has to be taken into account to calculate the values of cerain properties like thermal conductivity or Young s modulus As such for these properties the user can select on the graph the following types spheroidal lamellar and compacted by selecting the relevant checkbox at the bottom of the graph 51 General physical properties in E Fl n n c ai A L Pad i pm we e wi e i E gt uo p E
38. fication cut off entry mean 3 2 How to deal with Gas 4 Creep FAQs 4 1 Why is there an inflexion in the creep curves 5 Lattice mismatch FAQs 5 1 Why is there a change in slope for the gamma gamma mismatch 6 TTT CCT FAQs 6 1 I know a phase exists in an alloy but I can t see the TTT or CCT curve for it even though I ve selected it in the TTT CCT module 7 High temperature strength FAQs 7 1 have specified a specific room temperature strength but it is not the value which is ultimately calculated 83 5 1 User Interface FAQs 5 1 1 General questions 1 The help files are not shown what s wrong Windows If you cannot see the Contents FAQ etc files no HTML browser like Internet Explorer or Netscape Navigator was found on your computer by JMatPro If you cannot see the validation files no PDF reader like Acrobat Reader was found Both can either mean that the relevant applications are not installed in which case you need to install them or that they cannot be found because they are not properly recognised by your computer 1f which case you should probably reinstall them Linux Go to the Options menu and change the names of the applications to use including the path if they are not at a standard location Please note i An installer for Acrobat Reader is provided on the JMatPro installation CD Alternatively you can download it from the Adobe website ii JMatPro has a built in HTML browser which does not use
39. fication properties module uses a saved solidification calculation as a basis for predicting thermo physical and physical properties during the solidification process 2 7 2 Physical and Thermo Physical properties calculations Note Please read the notes on the selection of which physical properties calculation to use first 46 Input Nickel Based Superalloy Therma Ph sical and Physical Properties Select heat treatrnent Dataset all phases included Temperature FOU SIGMA 8 28 M2206 0 79 M3B2 0 42 Thermodynamic calculation data Use previous data Choose from last Choose from saved Eun new calculation Mew step calc New single calc Variable Temperature M in I ax Include calculation at RT Run calculation Help FIRST STEP Select a heat treatment temperature as described here SECOND STEP The bottom part of the window prompts you for the temperature range over which to perform the general properties calculation By default the Include calculation at RT option is selected and the properties will be calculated at room temperature To launch a calculation press the Run calculation button 2 7 3 Extended physical and thermo physical properties Note 47 Please read the notes on the selection of which physical properties calculation to use first Input Nickel Based Superalloy Thermo Physical and Physical Properties Temperatures C Heat treatment U
40. ggle its appearance Other e The graphs contain two marker axis which correspond to solidus and liquidus e The other features and buttons are common to all graphs and are explained in the graphs page 60 2 9 Chemical properties 2 9 1 pitting resistance calculations Stainless Steel Pitting resistance PREM based on alloy compo Pit Res Equivalent Number 34 41 Select dataset File Dataset Thermodynamic calculation data Use previous data Choose from last Choose frorn saverl Eun new calculation Mew step calc Run calculation Help The total pitting resistance equivalent number is displayed at the top of the panel This number is dynamically updated as the composition of the alloy is changed To calculate the pitting resistance for Austenite and Ferrite the behaviour of these two phases as a function of temperature 1s needed Hence data from a thermodynamic calculation has to be selected first The data selection mechanism described here 61 2 9 2 pitting resistance plots P Ping Resistance Pitting resistance H v qm L E eon 1000 1200 1400 1600 Temperature C All features and buttons of pitting resistance graphs are explained in the graphs page 62 2 10 Coarsening 2 10 1 coarsening calculation Nickel Based Superalloy Loarsening Temperature selection C Background phases Number of temperatures 2 E auo amma 1000 fs oo era ett B
41. he Ae3 increased 5 2 3 How do I deal with dual phase steels The user should choose an austenitisation temperature that lies in the equilibrium austenite ferrite phase field The module then 1 tells you that you are in the austenite ferrite phase field 2 displays the amounts of austenite and ferrite in equilibrium 3 calculates the transformation for austenite with the composition at that temperature and 4 calculates the Jominy hardenability for the mixture of ferrite formed at the austenitisation temperature the transformed austenite 86 5 3 Solidification FAQs 5 3 1 What does the solidification cut off entry mean This takes into account the fact that although the Scheil Gulliver model works well for many types of alloys it is still an approximation and it is taken that some back diffusion will occur The effect of the back diffusion will be 1 that some phases that are predicted to form in the very last part of the calculation will not be seen and 2 the alloy will become fully solid before 100 solid is reached in the simulation To overcome this we have introduced a solidification cut off point where it is assumed that once there is less than this amount of liquid solidification can effectively be considered complete It is noted that for most cases 0 01 fraction liquid works very well In Ni based superalloys it is recommended that a value nearer 0 02 0 03 is used In the graphical output window a correction can be
42. heat treatment temperature e Choose the maximum temperature for which to calculate the energy change and the step temperature e Finally choose the transitions of interest Here we show the example of transitions in a General Steel these may be different if other alloy types e Press the Start calculation button 2 15 2 Energy change calculation Cast Iron The austenitisation temperature needs first to be chosen as described here 75 Select austenitisatian temperature Dataset Temperature Temperature range Maximum temperature C 1200 Temperature step 200 AUSTENITE 85 12 Transitions Fhases l Austenite gt Austenite Ferrite Austenite gt Pearlite Thermodynamic calculation data Austenite gt Ferrite parallel tangent Use previous data oe E Austenite gt Ferrite partitianless T Choose from last Choose from saved Run new calculation Start calculation Help New step calc e Choose the maximum temperature for which to calculate the energy change and the step temperature e Finally choose the transitions of interest Here we show the example of transitions in a General Steel these may be different 1f other alloy types e Press the Start calculation button 2 15 3 Energy changes graph X Gibbs calculation Energy changes ZU c T EL c m ia m c i EL E ui 2 ae C1 600 BOO 1Lo00 1200 1400 1600 Temperature it C
43. ieved and lattice mismatch is then governed by both the difference in expansion coefficient AND the change in composition of gamma and gamma Often final heat treatments lie in the range 700 850C and it is reasonable for the above assumptions to hold For alloys where the heat treatment temperature may be higher it may be best to assume that above 850C gamma gamma equilibrium is achieved and set the heat treatment temperature to this Results above 850C should then be reasonable however care should be taken at temperatures below this 5 6 TTT CCT FAQ 5 6 1 I know a phase exists in an alloy but I can t see the TTT or CCT curve for it even though I ve selected it in the TTT CCT module This is a potential problem with phases that only have very small amounts in equilibrium For example some carbides may only have amounts of 0 2 in the alloy The default amount for thr TTT CCT calculations is 0 5 and therefore this amount can never exist To see the formation of such phases re set the amount transformed to an amount lower than the amount of phase that exists in equilibrium 88 5 7 JMatPro s High temperature strength FAQ 5 7 1 I have specified a specific room temperature stength but it is not the value which is ultimately calculated The grain size is calculated assuming a standard strain rate of 0 02 min If the strain rate used in the high temperature strength is different the room temperature strength will be adjusted ac
44. ioter oA LEE DELE ED eer er eee ee 79 4 1 CONVEESION UDlitv cce ERE FREUEN NR HN EHEEN NU HM EN I 79 4 2 martensite transition and hardness utility sssssssssssee 80 4 3 new material CEeatOT o mr pateat ese OE ETET 82 JMatPro s Frequently Asked Questions eee 83 Sl User Interface BA OS isco eei REP Rilo Si Rio Gre AE EO av ees 84 ILA General QUESTIONS c odi eda vh o or e UR NNS 84 32122 Windows specie GUESSON esc toledesi be bonee b badesea b Da Deuce be dedos duo bend ce astu taal 85 5 2 JMatPro s General Steel FAQ seeeeeeeee nemen 85 52 1 For what alloy range are the calculations Valid esesessssssse 86 2 2 How do I deal with Alloy Carbides 0 c cccccccccccccccecesssesseseeseeeeeeeeeeeeeeaaas 86 322 3 How do I deal with dual phase steels ccccccccccccccccccccceeeeeeeesessseseeeeeeeees 86 5 Sobdification FAOS occ saw sii Iob SE Rau mU EE Lc DD EE est A ETE 87 5 3 1 What does the solidification cut off entry mean cccccccccceeeeeeeeeeeeeeeees 87 3 2 How to deall with Gas cercan EE EA ETE 87 5 4 CCC FAOS rae ee 87 5 4 1 Why is there an inflexion in the creep CULVES ccccccccceceeeeeeeeeeaseeaeeeeeees 87 5 5 Lattice mismatch FAQS cocinera ores 88 5 5 1 Why is there a change in slope for the gamma gamma mismatch 88 5 6 dil Y OS ial Bal OY O eunte
45. iver Mechanical Properties Strength and Hardresi High Temp Strength and Hardness Creep Th rmo Physical Properties Generel Extended General D mamic Phase transformation TTT CCT Diagrams Coarsening Rese fi SS Se ra waiting far the user to pick a property Quick Start e To work on a new material choose the base type in the Material Type menu and type in the composition of this material e To work on a material which composition has been stored go to the Load Composition item in The File menu e To browse through properties in saved material files go to the Load Material File item in the File menu e On the toolbar use the AW uttons to choose Weight Wt or Atomic At percentage for composition input output e On the toolbar use the buttons to choose your preferred temperature unit e Choose a property from the list of properties available File menu e Load Material File load a file with precalculated properties for a given material with a given composition e Load Composition initialise composition table with a previously saved composition e Save Composition save the composition which is in the current composition table e Rebuild Indexes if the program looses track of the saved material files this will rebuild the indexes in use for fast file location e Exit Exit the program Material Types menu e this brings up a menu from which to
46. ize Grain size 45 ASTM Start temperature Temp C 1400 Cooling rates 1 5 Number of cooling rates ai start calculation Help e Choose the grain size ASTM or in microns e Choose the start temperature e Choose the number of cooling rates to use and their values e Press the Start calculation button 73 2 14 2 Phase formation on cooling graph W Phase evolution 4 Phase evolution B 4 pPHACB B ALPHA MATRIX E MARTENSITE BEETA EiL FHA um oF lt I Lu uj Lu m L cL eon BOO loo 1200 1400 Temperature 0 Start temperature C 1400 0 Cooling rate 1 5 10 0 Martensite transition 436 47 C ZI Apna aetas rc E 8 2 9 E LE uei a e If display of separate curves for Alpha Grain Boundary and Alpha Matrix is required check the Alpha details box e All other features and buttons are common to all graphs and are explained in the graphs page 74 2 15 Energy change 2 15 1 Energy changes calculation For the case of Cast Iron please consult this page General 5teel Energy Change Calculations Heat treatment Austenitisatian temperature TiC Boo Temperature range Maximum temperature C 11200 Temperature step C Transitians k Austenite gt Austenite Ferrite W Austenite gt Pearlite Austenite Ferrite parallel tangent Austenite gt Ferrite foartitioniless TO Start calculation Help e Choose the
47. lculation Temperatures CJ Start Enc Step Solidification cut aff Fraction liquidi irt Phases Take all solid phases inta account Include Gas Start calculation Help The calculation of the phases formed during solidification 1s based in the Scheil Gulliver model For General Steels and Stainless Steels the Scheil Gulliver model has been modified to allow fast Carbon diffusion Once the phases formed and their composition has been calculated the physical properties of the system are calculated e Enter start end and step temperatures e Enter a cut off point for solidification by giving a value for the fraction liquid remaining For more information on which value to choose read this e By default all available phases will be included in the calculation should you wish to suspend any phases unselect the Take all solid phases into account box a phase selection dialog will appear e some materials have got Gas in their database list calculating properties with Gas included will lead to peculiar results because oft its volume As such Gas is not included by default If you wish to included it simply check the nclude gas box e The Start Calculation button will launch the thermodynamic solver 57 Cast Iron Cast Iran Solidification calculation Temperatures C Start Step Solidification cut off Fraction liquid WO O 01 Material Type Pearlitic Austenitic ar F
48. lect the number of cooling rates for which to make a calculation and input values for these cooling rates Complex profile General Steel Quench properties Crain size Austenitisatian temperature Temp C 8 ED Transformation Uniform cooling 2 Complex profile Cooling profile File t part caaling profiles ce cot ead create start calculation Help e To load a previously saved cooling profile press the Load button e To create a new cooling profile or simply to view it press the Create button This will start a wizard which is documented here The austenitisation temperature will be set at the start point defined in the cooling profile 2 12 2 Quench properties graphs Most of the features of these graphs are described here There 1s however one addition here a rate choice box in the toolbar In order to keep the graphs clear and simple this rate choice is linked with the Phases details checkbox and the property currently displayed and is not always enabled For instance when Phases details is selected data will only be displayed for one cooling rate at the time which can be selected from the rate choice box W Properties after quenching Properties J m 0 0101 fs So iiss C1 01 5 Q0 0r1 5 nm M e Ca mn vw zZ 1 c l 400 EDO Temperature C Grain size 9 0 ASTM I LJ Phases details E bea i ie Hi a gii BEJE 69 aa il Properties
49. ls type and options menus are updated to include the new material type The Select all Deselect all and Invert buttons in the phases and elements panels provide quick selection deselection and inversion of selection of the relevant entities The left part of the window lists all available material types predefined as well as user defined To remove a material type which is not predefined select its name with a mouse click and press the Delete this material button Be aware that this will permanently delete everything concerning this material type preferences saved data material files 82 5 JMatPro s Frequently Asked Questions Summary 1 User Interface FAQs 1 1 General questions 1 1 1 The help files are not shown what s wrong 1 1 2 Problems with snapshots saved to PostScript Encapsulated PostScript or PDF formats 1 1 3 I would like to save pictures to the GIF file format 1 1 4 I would like save graphs as high quality pictures 1 2 Windows specific questions 1 2 1 How can I get rid of the ugly traces left by the cursor 1 2 2 I am using Windows Millenium Edition and the vertical axis labels are badly drawn 1 3 Linux specific questions 1 3 1 I am running JMatPro under Linux KDE and there are screen refreshing glitches 2 General Steels FAQs 2 1 For what alloy range are the calculations valid 2 2 How do I deal with Alloy Carbides 2 3 How do I deal with dual phase steels 3 Solidification FAQs 3 1 What does the solidi
50. lue either in Micron or in ASTM press for a conversion to ASTM and for a conversion to Micron 79 Strength and Hardness conversion select the material type select the input property enter a value for the selected property select the unit for the input property press 4 for the unit conversion of the input property press C for the the calculation of the two other properties 4 2 martensite transition and hardness utility This tool provides an utility for the calculation of the Martensite transition temperature based on the Austenite composition 80 E Marensite utility 1 Ms and hardness calculator based an Austenite compa AUSTENITE compo Ws if Ms is low the alloy may not be fully martensitic Generate stress strain curve Reset Calculate Help Close Iput the Austenite composition in weight The Copy from current compo button pastes into this window the composition currently used in the main window Pess the Calculatebutton to calculte Ms and hardness Temperature and hardness units can be toggled by pressing the units buttons Press the Generate stress strain curve if this is required Help brings up this help window Close Close the Martensite calculation utility window 81 4 3 new material creation p Predefined materials r Databases Aluminium Afi Name for new material type Magnesium Alloy Cast Iron Gene
51. nel becomes Nickel Based Superalloy Creep Test temperature iC zo cames GAMMA PRIME 65 59 GAMMA 23 17 Use default phases Input 3 RT strength Precipitate sizes Matrix grain size came sw E Room temperature strength 0 2 Proof Stress j 1000 MPa J stress range stress unit Min M ax Step Kun calculation Help e Input a matrix grain size choosing between ASTM and micron for the grain size unit e Select the stress unit and the input the range requested Additional input about the precipate phase is required this can either be the room temperature proof stress ultimate tensile stress hardness or particle size 39 Input or RT stress hardness Nickel Based Superalloy Creep Test temperature iC GAMMA PRIME 65 59 GAMMA 33 1735 W Use default phases Input 3 RT strength J Precipitate sizes Matrix grain size came si tal Room temperature strength 0 2 Proof Stress roo MP stress range stress unit Min M ax Step Kun calculation Help e Select the available data type and unit and input the value Input of particle size s Nickel Based Superalloy Creep Test temperature C mooo j eme _ GAMMA PRIME 65 59 AMMA 33 17 Use default phases Input RT strength 3 Precipitate sizes Distribution af precipitates EAE size St omona 28 remosa size irn Percent precipitate 1 precipitate 2 meam COs Co Stress
52. ness plots clicking on a point not only opens a window 36 giving the point coordinates but gives you the opportunity to generate a stress strain curves using the data at this point Simply press the relevant button and the stress strain curve will be calculated automatically Other The other features and buttons are common to all graphs and are explained in the graphs page 2 6 5 creep calculations IMPORTANT e For single crystal creep calculations are valid for alloys which growth direction is along the 001 direction This covers alloys in CMSX Mar and Rene families Heat treatment selection Mickel Based Superalloy Creep Test temperature fl r2 Get phases o Use default phases Input the required heat treatment temperature and press the Get phases button This will calculate the phases present at this temperature The phases included in the calculation can be controlled if the Use default phases option is not selected No precipitation hardening If there is no precipitate phase present at the chosen heat treatment temperature the input panel becomes 37 Stainless Steel Creep est temperature fl AUSTENITE 93 1635 k Use default phases Stress range Stress unit Min M ax Step Select the stress unit and the input the range requested 38 One precipitate phase present When one precipitate phase is present and single calculation is selected the input pa
53. nish 99 9 start calculation Help User defined percentage e Grain size the grain size to be used either ASTM or microns e Austenitisation temperature you have two options o Increment above Ae3 Let the JMatPro find the Ferrite transition in which case you are should enter the desired increment above the Ferrite transition temperature o User choice Specify a given temperature e Choose between a calculation for both standard start and finish transformations or for a single transformation For a single transformation please enter the transformation percentage required Press the Start Calculation button when you are done with the various selections 2 5 4 TTT CCT calculation Cast Iron The austenitisation temperature needs first to be chosen as described here 24 select austenitisatian temperature Dataset dataset Temperature Grain size Grain size o ASTM 7 TTT CCT transformation AUSTENITE 79 39 CEMENTITE 11 12 GRAPHITE 9 26 3 Standard start 0 156 and finish 39 995 2 User defined percentage Startcatcuiation Hep Phases Thermodynamic calculation data Use previous data Choose from last Choose from saved Run new calculation New step calc e Grain size the grain size to be used either ASTM or microns e Choose between a calculation for both standard start and finish transformations or for a single transformation For a single
54. oo IM C 9 SIGMA Fhases Gamma Gamma hd LI LAVES Graph options eos 4 P PHASE 4 E PHASE Time unit h 1 3 Time scale linear bA BCC bA MC o Max SUE M23C6 Mec Initial particle sizes inmi MC M3B2 Kamina Gamma minor MB 4 MM Hamma major 4 M2 C N e Temperatures o Select the number of temperatures for which calculation of coarsening is required o Input the temperatures values e Phases not for single crystals o Select either or both Gamma and Gamma for which coarsening is to be calculated e Graph options o Select the time unit o Select linear or logarithmic time scale 63 o Enter values for the minimum maximum and step values for the time For a logarithmic scale minimum and maximum denote the range of decades for time i e 10 min to 10 max and no value for step is needed o Input initial particle sizes in nanometers e Background phases o The coarsening calculation uses some thermodynamical calculations The background phases are the phases to be included in these calculations Some phases for example eta and delta shown in blue are suspended by default because in alloys such as Nimonic 263 or 718 eta or delta are the stable equilibrium phases However because the kinetics of formation of gamma and gamma are much faster they form during normal heat treatment schedules Suspending eta and or delta allows for this condition to be matched
55. other features and buttons are common to all graphs and are explained in the graphs page Note Please note that since stress strain curves are generated on the fly from strength hardness curves it is not possible to save them in material files 44 2 6 8 Stress strain curves utility E Stress Strain utility Strain Stress Utility Material Type General Steel Input property 0 275 Proof Stress loo MPa Hint value lt 3500 0 MPa Young s Modulus 200 Pa Hint O x value cz 500 GPa Run Help Close e Select the material type to use e Select the know property for which a value is known 0 2 proof stress tensile stress or hardness e Input a value for the stress hardness e Input a value for Young s modulus e Press the Run button to calculate the stress strain curve Note This is the stress strain utility which requires input values to be given An alternative way of generating stress strain curves is to click on any point in a stress or hardness plot 2 7 Thermo Physical and Physical properties 2 7 1 Choice of physical properties calculation Thermo physical and physical properties 1n JMatPro can be calculated in different ways It is important to understand the purpose of each calculation in order to use the most suitable to your application The various calculations are e General calculation e Dynamic calculation 45 e Extended general calculation e Solidification properties General
56. pper limit Step Phases 4 Take all phases into account Start calculation Help e Input the heat treatment temperature the upper limit temperature and a step size From room temperature to the heat treatment temperature the phase distribution in the alloy will taken as that formed at the heat treatment temperature Above the heat treatment temperature the phases are taken to be those in equilibrium e By default all available phases will be included in the calculation should you want to suspend any phases uncheck the Take all phases into account check box and a phase selection dialog will appear e The Start Calculation button will launch the calculation 2 7 4 Dynamic physical properties calculation Note 48 Please read the notes on the selection of which physical properties calculation to use first Nickel Based Superalloy Dynamic physical properties c Dataset Type Temperature stepping a Thermodynamic calculation data Use previous data Choose from last Choose from saved Run new calculation Pew calculation Run calculation Help Input This is based on the data selection mechanism described here However there is one more degree of liberty the input data can not only be temperature steeping but also concentration stepping or profile Select the appropriate type requested 49 Ze physical and thermo physical properties plots BS Extended physical properties
57. ral Steel Stainless Steel Mickel Based Superalloy NiFe Based Superalloy Single Crystal Titanium Alloy Zirconium Alloy p User defined materials Moreni AlFe FullFe full IIMEW FULL FE Drzadlon IZ Aon WrAlle BILALL C seen am Delete this material AR dr M es based on Phases S LIQUID FE MAL s CEMENTITE 9 ETA FETIP 5 M2 C N 9 merce 2 M203 W M3B2 BJ MEP E MB2 C32 9 MGS 9 MO B2 5 MU PHASE E SIGMA E TACS w MN GAS FERRITE CHI AUSTENITE GRAPHITE KS CARBIDE CRZB M2P M3C2 MEC MicC_SHP MMS MS B81 P PHASE 3102 A Z PHASE eg cu Ue select ali Create new type EJ ALM i9 BN El DELTA E FE4M i4 G PHASE E LAWES E FE2B El M23104 E M204 El M7C3 El MG3N2 E MOP E MULLITE E R PHASE E SPIMEL A82 04 i M C N E ALPHA CR invert Input a name for the new material type Select the database to use Check phases the phases to include in the material type Check phases the elements to include in the material type Press the Create new type button to create the new material type If the Elements 4 Al C 1cr Deselect all Close This interface enables the creation of new material types including selected phases and elements from the databases creation is successful a window will appear to notify the success The material browser the materia
58. range stress unit Min Max Step Kun calculation Help e Precipitate distribution select between uni bi and trimodal distributions and give size s and abundance s Please note that you will not get the same result with for instance o Unimodal distribution 100 of size S o Bimodal distribution 35 of size S and 65 of size S We summate the strengthening contribution of each size distribution However in the extreme where the sizes are the same the addition gives a value greater than a single distribution of that size This is due to non linear effects in the strength equations Our testing shows the additivity rule works well when there is a distinct size difference 1 e factor of 2 or more When sizes are closer an average size would be better 4 Two precipitate phases present When two precipitate phases are present Gamma and Gamma in Ni based alloys at the chosen heat treatment temperature It is very similar to the case of one precipitate The only difference is taht the precipitate size input panel is simpler MiFe Based Superalloy Creep Test temperature C AM vA CTI MS GAMMA PRIME 13 17 GAMMA 2 6535 W Use default phases Input 39 RT strength 3 Precipitate sizes Precipitates sizes nimi gamma gamma major axis Stress range stress unit Min Max Step Eun calculation Help 42 2 6 6 creep plots Creep calculation COMPOSITION wit Mi 41
59. ribution of that size This is due to non linear effects in the strength equations Our testing shows the additivity rule works well when there is a distinct size difference 1 e factor of 2 or more When sizes are closer an average size would be better Two precipitate phases present When two precipitate phases are present Gamma and Gamma in Ni based alloys at 35 the chosen heat treatment temperature It is very similar to the case of one precipitate The only difference is that the precipitate size input panel is simpler NiFe Based Superalloy High Temperature Strength and Hardness Heat treatment temperature C no O cms CAMILA 51 9 GAMMA 8 97 GAMMA PRIME B 7275 W Use default phases Input O RT strength 3 Precipitate sizes Precipitates sizes nm Gamma 10 O Matrix as o Jen Run calculation Help Calculation range S Fix strain rate lfmini Fix temp cC 0 002 2 6 4 stress and hardness plots The Toolbar Buttons F Toggle the stress unit between MPa and ksi HRE Toggle the hardness unit between VPN and Rockwell C pi EA za 8 BE E 5 Toggle the grain size unit between ASTM and micron if lin 2 JTogele the grain size axis scale between logarithmic and linear m CD CD SE e et HM Generate stress strain curves X Point info 0 2 Proof Stress See eel slazu 2550 stress MPaj 657 26 In the case of stress and hard
60. s and pictures J NiFeSuperalloy YO mat Y 18 mat _ Singlecrystal Stainlesssteel _ TiAlloy It is possible possible for users to save their own data and comments alongside the data saved by JMatPro To start the input of text just press the Edit button to make the text panel editable and press the Save button to save your additions By pressing the Append from file button a file selection dialog will appear and the content selected file will be pasted at the end of the current text User s with knowledge of html can use html to provide basic formatting and styling of the text as well as links to pictures or files However please be aware that the validity of the html text cannot be tested and we cannot help with html related issues 2 3 common features common features of graphs All graph windows have common buttons and features Common buttons The following buttons are always present in the toolbar associated with graphs and behave in the same way Ese plotting preferences title and sizes colors of lines and symbols E rocele the appearance of the data grid If the graph has got left and right vertical axis this will in sequence attach the grid to the left than right axis then remove the grid AtlWel atomic or weight percentage for the composition Set the temperature unit Albering up the zoom box e El up this help window Sprint graph Elsave the current graph s data in a ta
61. sting material files when saving new data Saving data to a material file is usually triggered by pressing the Save button in data tables or the huton in plots The program will look for existing material files with a signature matching the current composition Several cases may occur e 1 At least one matching file exists but no material file is open yet In this case the program will ask the user if he wishes to use an existing file or create a new one No file is open What now Choose saved file Create new file o If the user chooses to create a new file we fall back on case 3 o If the user chooses to use an existing file he is show the list of existing files and neeeds to select one 10 i s Search result m FIL Please pick a file fhome zazen alliafmaterials Stainless Steel ftest mat fhome zazen alliafmaterials StainlessSteelfsaf25 07 mat Cheese Cancel Once the choice is made the appropriate file will be opened with its contents displayed in the materials browser and the user is prompted for a name for the dataset he is saving a materials AlAlloy Castiran HighSpeedSteel amp HSLASteel MiFeSuperallay NiSuperalloy SingleCrystal 7 Stainlesssteel amp TiAlloy Materia Erawser Composition Ot Fe 62 51 Crz25 Mn 1 0 Ma 3 8 Mi 7 0 5i 0 4 Cool N 28 ihame zazen allia materials StainlessS
62. teel safa25Q7 mat eri _ Thermodynamic Properties f Step Temperature dataset gi dataset A stravit BEF Dataset name new calculation Save Cancel Load data Load compo Delete data Add comment Help Exit md 11 e 2 At least one matching file exists and a material file is open In this case the program will ask the user if he wishes to use the current file another matching file or create a new one gave to The current material file is hame zazen allia materials 5tainlesss5teel saf2507 mat What now Use the current file Choase another file Create new file e 3 No matching file exists In this case the program will let the user know that no matching file exists and give the opportunity to create a new one o Warning There is na file with the right campasitian saved Yau need to create a new one If the creation of a new file has been chosen a standard file creation dialog appears M pen Ip rook in preme __ ca t Co SEI 5 Zeron lod mat safe205 mat i safes5o mat test mat File name Open Files of type Material Files mat Cancel ETIN 12 Please note that JMatPro supports subfolders in material folders so so you can create a subfolder red arrow on the picture in which to create the material file creating plot or table snapshots Creating snapshots of tabl
63. th GhostView e From the menu select copy e Go to your favourite presentation word processing software and do paste 5 1 2 Windows specific question 1 How can I get rid of the ugly traces left by the cursor These traces are produced by fancy cursors in desktop themes Please revert to the default cursor 2 I am using Windows Millenium Edition and the vertical axis labels are badly drawn We are aware of it but unfortunately there is nothing we can do 3 Linux specific question I am running JMatPro under Linux KDE and there are screen refreshing glitches There are some problems with the Java Virtual Machine for Linux when the window manager used is kwin from the KDE desktop manager We found work arounds for the most annoying glitches but there are still a few visual problems leading to windows not well drawn nothing serious though We will update JMatPro as soon as fixes are released 5 2 JMatPro s General Steel FAQ 85 5 2 1 For what alloy range are the calculations valid For thermodynamic calculations the user has access to a general steel calculation database and as such calculations can be made for a wide range of steels The limitation here is that the phases are limited to liquid austenite ferrite cementite and alloy carbo nitrides Phases such as sigma chi laves etc are not included so calculations will not be applicable to high alloy steels where these phases can occur The thermodynamic calculation modul
64. the Start Calculation button when you are done with the various selections 27 2 6 2 strength and hardness calculations Heat treatment selection Nickel Based Superalloy Strength and Hardness Heat treatment temperature C f2Q Het phases Use default phases Input the required heat treatment temperature and press the Get phases button This will calculate the phases present at this temperature The phases included in the calculation can be controlled if the Use default phases option is not selected No precipitation hardening If there is no precipitate phase present at the chosen heat treatment temperature the input panel becomes Stainless Steel Strength and Hardness Heat treatment temperature C o cerphases_ AUSTENITE 92 16 Use default phases Calculation type 2 variable Grain Size J Single Calculation Grain size Unit microns 3 Linear scale Log scale variable Grain Min M ax Step Run calculation 28 e Choose between making a single calculation for a given grain size or a variable calculation with a range of sizes e Choose between ASTM and micron for the grain size unit e For variable calculation choose between a linear or a logarithmic range of sizes For a linear range input minimum maximum and step values For a logarithmic range input the the starting and end decades as well as the number of points per decade One precipitate phase present When one pre
65. tice mismatch To modify the formula press the Auton in the toolbar and select Change mismatch formula item Other The other features and buttons are common to all graphs and are explained in the graphs page 54 2 7 8 Stacking fault energy calculation Stainless Steel Fault Energies Heat treatment AJstenitisatian temperature Til 1000 Phases included in the calculation LIQUID 4 AUSTENITE FERRITE k M2206 2 MFCR 4 M amp C 4 M2 C IN 4 M C ND i ALM SIGMA C LAWES C CHI G_PHASE PI PHASE z PHASE FE NAL 4 ALPHA CR CU b M2P 4 M3P W MS B81 5 MNS W M23 Mw M25104 M3O4 MO B2 MULLITE bA S12 4 SPINEL ABz O4 Start calculation Help This module calculates the Stacking Fault Energy SFE between two sets of phases typically HCP amp FCC e Input the heat treatment temperature e A standard set of phases is selected to be taken into account however it is possible to change this set by checking the list of phases displayed e Start the calculation 55 2 7 9 Stacking fault energy graph 3X Stacking fault energies Stacking Fault Energy p B Hs a id ye UD Lum zx S id ra wy 400 600 Temperature CJ ts E Lol Lel 5 E ue n e All features and buttons are common to all graphs and are explained in the graphs page 56 2 8 solidification calculations 2 8 1 Calculation window Common features Aluminium Alloy Solidification ca
66. tion is displayed at the top of the panel This number is dynamically updated as the composition of the alloy is changed To calculate the Martensite transition based on the Austenite composition at the temperature of interest the composition of Austenite as a function of temperature is needed Hence data from a thermodynamic calculation has to be selected first The data selection mechanism is described here 66 2 11 2 martensite transition graphs Martens ae transition Martensite transition ak han Trans ak Austenite Wi H Ir C i Lr e D an 210 n ul an E nH pz LW m 34A Aole Ul e3ius1smy pei d i LA c BOO Lodo 1200 1400 1500 Temperature C ia pannanana All features and buttons of Martensite transition graphs are explained in the graphs page 2 12 Quench properties of General Steels 2 12 1 Quench properties calculation Quench properties calculation can be performed assuming an uniform cooling rate or by defining a more complex cooling profile with various cooling rates and holding times Uniform cooling 67 General Steel Quench properties Crain size Grain size 8 J ASTM AUSTEN sation temperature remo w Transformation Uniform cooling O Complex profile cooling rates 1 5 Number of cooling rates start calculation Help e Input the grain size in Microns or ASTM e Input the austenitisation temperature e Se
67. ure e Input a temperature choice Amount transformed e Amount transformed enter the transformation percentage required Background phases e This gives the user the ability to discard phases when performing thermodynamic calculations TTT phases e The calculation can be limited to certain phases transformations only By default carbides are not selected 22 Ferritic or Austenitic Stainless Steel Stainless Steel TTT additional parameters Amount transformed Stainless Steel type O Duplex 2 Austenitic C Ferritic Percent Cs a Calculation type Background phases TTT CCT Use all background phases Start temperature C TTT phases O Automatic start temperature 4 SIGMA CHI 7 LAVES M2 C N 3 User choice 300 ceop somus por seercnea start calculation Help CIMEC A M23C amp M7C3 M6 amp cC This 1s similar to the case of duplex stainless steels with the following addition e The start temperature for the calculation can be determined automatically or input by the user e As a convenience a Get top solvus button 1s provided This will launch the thermodynamic solver to locate the highest transition point for the transformation phases and update the relevant field 23 2 5 3 general steels TTT CCT General Steel TTT fCltT Grain size Grain size Bo ASTM J Austenitisation temperature C TTT SCOT transformation 2 Standard start 0 1 and fi
68. ure or concentration pont is not required All other submenus depend on the calculation modules installed with the program The Utilities menu e Conversions perform unit conversions and if the Strength and Hardness module is integrated conversions between 0 2 Proof Stress Tensile Stress and Hardness e Create material type allows the user to create a new material type with a restricted set of elements and phases Help menu e About information about JMatPro e Contents brings up the index of the inline documentation e Quick start brings up the help file you are currently reading e FAQs Frequently asked questions e License terms and conditions The Tool Bar eW witch between atomic and weight percentage for the material composition switch between temperature units show properties this button will appear once a property has been chosen and will enable you to come back to the full list of properties for the current material type The composition table God Reset C equivalent 4 67 e Atthe bottom of the composition table you will find a Reset button which resets the composition to 10046 of the balance element e Ifthe current composition comes from a saved composition or material file the name of the composition or of the material file will appear at the bottom of the composition table e For Cast Iron another field is displayed and updated as the composition changes to sho
69. w the Carbon Equivalent Number CEN The CEN is calculated based on the following formula CEN C P S1 3 with this formula a CEN of 4 3 characterises an eutectic alloy while a lower value denotes a hypoeutectic alloy and a greater value a hypereutectic alloy 2525 JMatPro User s Guide the material browser This browser allows easy navigation through collections of material files Each material file has a unique signature which is the elemental composition identifying a material Material files are meant to hold all the property calculations made for a material The format of these files 1s designed in order for the browser to classify in a tree form all the saved datasets for different properties The browser can be used to retrieve datasets in an easy way i Material browser d materials Calculated properties User data T ALAO Composition vt Mi 52 96 A 0 5 Cr 19 Fe 18 5 Ma 3 MB 5 1 Ti o 3 C O 04 3104 mat 339 1 mat 296 mat A materials NiFeSuperalloy 718 mat SER CIS Ej Thermodynamic Properties 1 Generalsteel o OE Step Temperature 7 MaAllay all phases included J HiFeSuperallawy delta suspended eae gt 13 Solidification O scheil Gulliver Ba Nisuperalloy Oe standard calculation SingleCrystal O Physical Properties Stainlessstee TiAlloy L standard calculation j Phase transformation O g TTT CCT Diagrams F TTT calculation CCT calculation O
70. wing panel to the input window 15 Phase Boundaries k Locate phase boundaries 2 4 3 concentration stepping thermodynamic calculations E MatPro the materials property simulation software File Material Types Options Utilities Help MiFe Based Superalloy Single Calculation Temperatures C Temperature Loon Phases Take all phases into account Start calculation Help waiting for user input The calculation 1s made at a fixed temperature which can be modified by the user By default all available phases will be included in the calculation should you want to suspend any phases unselect the Take all phases into account checkbox and a phase selection dialog will appear Two balancing modes are available o One element the balancing is done with only one element o Allelements the balancing is done with all the elements in proportion of the initial composition The varying element and the balance element can be modified The composion start and end points as well as the step can be modified The Start Calculation button will launch the thermodynamic solver 16 NOTE e Ifthe thermodynamic solver finds a calculation difficult in many cases it 1s because the exact location of a phase boundary is difficult If this 1s not vital it is possible to disable the phase boundary search This can be done by going to the Options Show phase boundaries search control menu item and checking it This will

JMatPro User's Guide

Contents

Download Pdf Manuals

Related Search

Related Contents