Thermodynamic factor evaluated from diffuse X-ray scattering

Vlad Liubich; Simon Dorfman; David Fuks; Helmut Mehrer

doi:10.2320/matertrans1989.40.132

Thermodynamic factor evaluated from diffuse X-ray scattering

Vlad Liubich
, Simon Dorfman
, David Fuks
, Helmut Mehrer

Department of Materials Engineering

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

Abstract

The interdiffusion coefficient of binary alloys is related via the modified Darken equation to the tracer diffusivities of the constituents. The thermodynamic factor Φ entering the Darken equation is expressed in terms of the energetic parameters which describe the ordering process in the binary alloy. Our calculations show the dependence of Φ on the long-range order parameter. These calculations are performed with the energetic parameters extracted from the diffuse X-ray scattering data on FeAl.

Original language	English
Pages (from-to)	132-136
Number of pages	5
Journal	Materials Transactions, JIM
Volume	40
Issue number	2
DOIs	https://doi.org/10.2320/matertrans1989.40.132
State	Published - 1 Jan 1999

ASJC Scopus subject areas

General Engineering

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10.2320/matertrans1989.40.132

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title = "Thermodynamic factor evaluated from diffuse X-ray scattering",

abstract = "The interdiffusion coefficient of binary alloys is related via the modified Darken equation to the tracer diffusivities of the constituents. The thermodynamic factor Φ entering the Darken equation is expressed in terms of the energetic parameters which describe the ordering process in the binary alloy. Our calculations show the dependence of Φ on the long-range order parameter. These calculations are performed with the energetic parameters extracted from the diffuse X-ray scattering data on FeAl.",

author = "Vlad Liubich and Simon Dorfman and David Fuks and Helmut Mehrer",

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AU - Dorfman, Simon

AU - Fuks, David

AU - Mehrer, Helmut

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N2 - The interdiffusion coefficient of binary alloys is related via the modified Darken equation to the tracer diffusivities of the constituents. The thermodynamic factor Φ entering the Darken equation is expressed in terms of the energetic parameters which describe the ordering process in the binary alloy. Our calculations show the dependence of Φ on the long-range order parameter. These calculations are performed with the energetic parameters extracted from the diffuse X-ray scattering data on FeAl.

AB - The interdiffusion coefficient of binary alloys is related via the modified Darken equation to the tracer diffusivities of the constituents. The thermodynamic factor Φ entering the Darken equation is expressed in terms of the energetic parameters which describe the ordering process in the binary alloy. Our calculations show the dependence of Φ on the long-range order parameter. These calculations are performed with the energetic parameters extracted from the diffuse X-ray scattering data on FeAl.

UR - https://www.scopus.com/pages/publications/0033075741

U2 - 10.2320/matertrans1989.40.132

DO - 10.2320/matertrans1989.40.132

M3 - Article

AN - SCOPUS:0033075741

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EP - 136

JO - Materials Transactions, JIM

JF - Materials Transactions, JIM

IS - 2

ER -

Thermodynamic factor evaluated from diffuse X-ray scattering

Abstract

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