Edge cracked piezoelectric ceramic block under electromechanical impact loading

被引：8
|
作者：
Kwon Man S. [1 ]
Lee Yong K. [1 ]
机构：
[1] Department of Mechanical Engineering, Yonsei University
来源：
Lee, K.Y. (fracture@yonsei.ac.kr) | 2001年 / Kluwer Academic Publishers卷 / 112期
关键词：
Dynamic energy release rate; Edge crack; Field intensity factors; Impact loading; Piezoelectric material;
D O I：
10.1023/A:1013370109564
中图分类号：
学科分类号：
摘要：
The dynamic field intensity factors and energy release rates in a piezoelectric ceramic block containing an edge crack with the condition of continuous electric crack faces under electromechanical impact loading are obtained. Integral transform method is used to reduce the problem to two pairs of dual integral equations, which are then expressed to an Fredholm integral equation of the second kind. Numerical values on the dynamic stress intensity factor and dynamic energy release rate are obtained to show the influence of the geometry and electric field.
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页码：139 / 150
页数：11
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