A theory of tracer diffusion in the Ising ordered alloy

被引：8
|
作者：
Belova, IV [1 ]
Murch, GE [1 ]
机构：
[1] UNIV NEWCASTLE,DEPT MECH ENGN,CALLAGHAN,NSW 2308,AUSTRALIA
来源：
DEFECT AND DIFFUSION FORUM | 1997年 / 143卷
关键词：
ordered alloys; correlation factor; diffusion theory; B2; structure;
D O I：
10.4028/www.scientific.net/DDF.143-147.309
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this study a new approach is made to treat diffusion in the Ising alloy model. The approach is based on a natural formalism to ordered structures. The statistical mechanical approximation is equivalent to the quasi-chemical approximation. Results for tracer correlation factors are given for the B1 and B2 structures. There is good agreement with computer simulation data. Results are very similar to those of the refined path probability method conditions where results are available for the latter.
引用
收藏
页码：309 / 314
页数：6
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