Eccentric crack in a piezoelectric strip under electro-mechanical loading

被引：0
作者：
Jeong Woo Shin
Soon Man Kwon
Kang Yong Lee
机构：
[1] Yonsei University,Graduate school, Department of Mechanical Engineering
[2] Korea Aerospace Research Institute,Department of Mechanical Engineering
来源：
KSME International Journal | 2001年 / 15卷
关键词：
Eccentric Crack; Piezoelectric Strip; Field Intensity Factors; Energy Release Rate;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We consider the problem of determining the singular stresses and electric fields in a piezoelectric ceramic strip containing a Griffith eccentric crack off the center line under anti-plane shear loading with the theory of linear piezoelectricity. Fourier transforms are used to reduce the problem to the solution of two pairs of dual integral equations, which are then expressed to a Fredholm integral equation of the second kind. Numerical values on the stress intensity factor and the energy release rate are obtained, and the influences of the electric fields for piezoelectric ceramics are discussed.
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页码：21 / 25
页数：4
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