Thermodynamic factor evaluated from diffuse X-ray scattering

被引：17
|
作者：
Liubich, V
Dorfman, S
Fuks, D
Mehrer, H
机构：
[1] Ben Gurion Univ Negev, Dept Mat Engn, IL-84105 Beer Sheva, Israel
[2] Technion Israel Inst Technol, Dept Phys, IL-32000 Haifa, Israel
[3] Univ Munster, Inst Met Forsch, D-48149 Munster, Germany
来源：
MATERIALS TRANSACTIONS JIM | 1999年 / 40卷 / 02期
关键词：
interdiffusion; binary alloys; ordering; thermodynamic factor; intermetallics;
D O I：
10.2320/matertrans1989.40.132
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The interdiffusion coefficient of binary alloys is related via the modified Darken equation to the tracer diffusivities of the constituents. The thermodynamic factor Phi 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 Phi on the long-range order parameter. These calculations are performed with the energetic parameters extracted from the diffuse X-ray scattering data on FeAl.
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页码：132 / 136
页数：5
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