A free volume approach for self-diffusion in metals

被引：12
|
作者：
Shi, FG [1 ]
Nieh, TG
Chou, YT
机构：
[1] Univ Calif Irvine, Dept Chem & Biochem Engn & Mat Sci, Irvine, CA 92697 USA
[2] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA
来源：
SCRIPTA MATERIALIA | 2000年 / 43卷 / 03期
关键词：
self-diffusion; activation energy; van Limpt-Bugakov rule; free-volume approach;
D O I：
10.1016/S1359-6462(00)00401-2
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The concept of free volume can be modified for describing the temperature dependence of self-diffusion in crystalline metals. The van Limpt-Bugakov relationship between the self-diffusion activation energy and the melting temperature has been substantiated, and the universality of self-diffusion in crystalline, amorphous and liquid states has been illustrated.
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页码：265 / 267
页数：3
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