A Zener-Stroh crack interacting with an edge dislocation

被引：0
|
作者：
Lifeng Ma
机构：
来源：
Theoretical & Applied Mechanics Letters | 2011年 / 1卷 / 02期
基金：
中央高校基本科研业务费专项资金资助;
关键词：
Zener-Stroh crack; dislocation; crack initiation;
D O I：
暂无
中图分类号：
O346.1 [断裂理论];
学科分类号：
080102 ;
摘要：
A Zener-Stroh crack interacting with an edge dislocation is studied.The crack faces are assumed to be traction free.The applied ’generalized loading’ for crack is the initial displacement jump and the intervention of the edge dislocation.Through decomposing the problem into two subsimple problems,using the superposition principle,its solution is obtained.To demonstrate both the validity of the solution and its potential application,two simple examples related to the crack stress intensity factors are presented on the basis of the solution.The application of the solution to model crack initiations arising from dislocation-pileup is discussed.
引用
收藏
页码：15 / 19
页数：5
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