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H.K.D.H. Bhadeshia,
Phase Transformations Group,
Department of Materials Science and Metallurgy,
University of Cambridge,
Cambridge, U.K.
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To estimate the volume fraction of martensite.
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Language: | FORTRAN
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Product form: | Source code |
SUBROUTINE MAP_STEEL_MART2(MS,TQ,VAUST,VMART,VAUSTR)
DOUBLE PRECISION MS,TQ,VAUST,VMART,VAUSTR
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MAP_STEEL_MART2 estimates the volume fraction of martensite VMART, using
the formula:
VMART = (1 - e{-0.011(MS-TQ)})*VAUST
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- D.P. Koistinen and R.E. Marburger, Acta Metallurgica, 7, (1959), 59.
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Input parameters
- MS - real
- MS is the martensite-start temperature of the alloy.
- TQ - real
- TQ is the ambient temperature for the retained austenite calculation.
- VAUST - real
- VAUST is the volume fraction of austenite.
Output parameters
- VMART - real
- VMART is the volume fraction of martensite.
- VAUSTR - real
- VAUSTR is the volume fraction of retained austenite.
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None.
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No information supplied.
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None.
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1. Program text
DOUBLE PRECISION MS,TQ,VAUST,VMART,VAUSTR
READ (*,*) MS,TQ,VAUST
CALL MAP_STEEL_MART2(MS,TQ,VAUST,VMART,VAUSTR)
WRITE (*,1) VMART,VAUSTR
STOP
1 FORMAT (1H ,'volume fraction of martensite = ',F8.6/
& 1H , 'volume fraction of austenite = ',F8.6)
END
2. Program data
400 20 1
3. Program results
volume fraction of martensite = 0.984701
volume fraction of austenite = 0.015299
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None.
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martensite, volume fraction
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Download source code
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