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Function MAP_STEEL_MV

Provenance of code.
Purpose of code.
Specification.
Description of subroutine's operation.
References.
Parameter descriptions.
Error indicators.
Accuracy estimate.
Any additional information.
Example of code
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Provenance of Source Code

N. Chester,
Phase Transformations Group,
Department of Materials Science and Metallurgy,
University of Cambridge,
Cambridge, U.K.

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Purpose

Calculates the maximum volume fraction of bainitic ferrite for a given temperature.

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Specification

Language:	FORTRAN
Product form:	Source code

DOUBLE PRECISION FUNCTION MAP_STEEL_MV(T, XTO, XBAR)

DOUBLE PRECISION T, XTO, XBAR, MAP_STEEL_MV

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Description

MAP_STEEL_MV uses the Lever rule to calculate the maximum volume fraction of bainitic ferrite for a given temperature T.

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References

R.E. Reed-Hill, Physical Metallurgy Principles, 2nd Edition, University Series in Basic Engineering, D. Van Nostrand Company, New York, 524-527.

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Parameters

Input parameters

T - real: T is the temperature (in kelvin).
XBAR - real: XBAR is the mole fraction of carbon in the alloy.
XTO - real: XTO is the mole fraction of carbon at either the T0 line or the T0' line (depending on the value passed to the function).

Output parameters

MAP_STEEL_MV - real: MAP_STEEL_MV is the maximum volume fraction of bainitic ferrite at temperature T.

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Error Indicators

None.

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Accuracy

No information supplied.

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Further Comments

None.

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Example

1. Program text

       DOUBLE PRECISION T, XTO, XBAR, MAP_STEEL_MV, XMV
       READ (5,*) T, XTO, XBAR
       XMV = MAP_STEEL_MV(T, XTO, XBAR)
       WRITE (6,10) XMV
 10    FORMAT ('MV = ',F8.4)
       STOP
       END