Materials Algorithms Project
Program Library

Subroutine MAP_STEEL_TLL

1. Provenance of code.
2. Purpose of code.
3. Specification.
4. Description of subroutine's operation.
5. References.
6. Parameter descriptions.
7. Error indicators.
8. Accuracy estimate.
9. Any additional information.
10. Example of code
11. Auxiliary subroutines required.
12. Keywords.
13. Download source code.
14. Links.

Provenance of Source Code

H.K.D.H. Bhadeshia,
Phase Transformations Group,
Department of Materials Science and Metallurgy,
University of Cambridge,
Cambridge, U.K.

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Purpose

To calculate the temperature at which the two C Curves cross.

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Specification

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Description

MAP_STEEL_TLL performs calculations of TTT data for solute depleted regions.

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References

1. H.K.D.H. Bhadeshia, L.-E. Svensson and B. Gretoft, Acta Metallurgica, 33, (1985), 1271-1283.

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Parameters

Input parameters

SHEARH - real array of dimension <= 40

SHEARH is ????.

DIFFH - real array of dimension <= 40

DIFFH is ????.

DCTEMP - real array of dimension <= 40

DCTEMP is ????.

J8 - integer

J8 is the number of elements in each of DIFFH, SHEARH and DCTEMP.

Output parameters

TL - real

TL is the temperature at which the curves cross.

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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 SHEARH(40), DIFFH(40), DCTEMP(40)
       DOUBLE PRECISION TL
       INTEGER I, J8
C
       WRITE(6,*) 'No. of elements in arrays'
       READ(5,*) J8
       WRITE(6,*)
C
       DO 10, I = 1, J8
        WRITE(6,*) 'Element ',I , ' of SHEARH'
        READ(5,*) SHEARH(I)
        WRITE(6,*) 'Element ',I , ' of DIFFH'
        READ(5,*) DIFFH(I)
        WRITE(6,*) 'Element ',I , ' of DCTEMP'
        READ(5,*) DCTEMP(I)
        WRITE(6,*)
10     CONTINUE
       WRITE(6,*)
C
       CALL MAP_STEEL_TLL(SHEARH,DIFFH,DCTEMP,TL,J8)
C
       WRITE(6,1000) TL
C
       STOP
1000   FORMAT('TL is ', D13.5)
       END

2. Program data

None supplied.

3. Program results

None supplied.

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Auxiliary Routines

MAP_UTIL_ANALY

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Keywords

temperature, C curves

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Download

Download source code

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