Surface cracking of a piezoelectric strip bonded to an elastic substrate (Mode I crack problem)

被引：0
|
作者：
B. L. Wang
Y. W. Mai
Y. G. Sun
机构：
[1] The University of Sydney,Centre for Advanced Materials Technology (CAMT), School of Aerospace, Mechanical and Mechatronic Engineering J07
[2] Harbin Institute of Technology,Center for Composite Materials
来源：
Archive of Applied Mechanics | 2003年 / 73卷
关键词：
Fracture; Piezoelectricity; Coating; Substrate; Electromechanical coupling;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A piezoelectric material layer bonded to an elastic substrate is investigated. The piezoelectric layer contains an edge crack that is perpendicular to the surface of medium. The poling axis of the piezoelectric layer is parallel to its edge. The elastic layer can be an ideal insulator or an ideal conductor. The Fourier transform technique is used to reduce the problem to a solution of singular integral equations. Both impermeable crack and permeable crack assumptions are considered. Stress and electric displacement intensity factors are investigated for different dimensions of the medium. A double-edge cracked symmetric piezoelectric laminate under symmetric electro-mechanical load is also investigated.
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页码：434 / 447
页数：13
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