Grain boundary migration in metals: Recent developments

被引：110

作者：

Gottstein, G

Molodov, DA

Shvindlerman, LS

机构：

[1] RWTH Aachen, Inst Met Kunde & Met Phys, D-52056 Aachen, Germany

[2] Russian Acad Sci, Inst Solid State Phys, Chernogolovka 142432, Russia

来源：

INTERFACE SCIENCE | 1998年 / 6卷 / 1-2期

关键词：

grain boundary mobility; triple junction motion; impurity drag; orientation dependence; migration mechanisms;

D O I：

10.1023/A:1008641617937

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Current research on grain boundary migration in metals is reviewed. For individual grain boundaries the dependence of grain boundary migration on misorientation and impurity content are addressed. Impurity drag theory, extended to include the interaction of adsorbed impurities in the boundary, reasonably accounts quantitatively for the observed concentration dependence of grain boundary mobility. For the first time an experimental study of triple junction motion is presented. The kinetics are quantitatively discussed in terms of a triple junction mobility. Their impact on the kinetics of microstructure evolution during grain growth is outlined.

引用

页码：7 / 22

页数：16

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