Crack initiation and crack propagation under cyclic electric loading in PZT

被引:0
|
作者
Westram, I. [1 ]
Lupascu, D. C. [1 ]
Roedel, J. [1 ]
机构
[1] Tech Univ Darmstadt, Dept Mat Sci, Petersenstr 30, D-64287 Darmstadt, Germany
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中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Crack initiation and crack propagation behavior was studied in a commercial soft PZT material under a cyclic electric field. A set of pertinent parameters that influence the crack propagation behavior was identified and their effect on the crack propagation behavior studied: the geometry of the notch, the viscosity of the surrounding liquid, the number of cycles and the electric field. To better understand the mechanism of crack initiation, linear piezoelectric FEM calculations were performed.
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页码:40 / 48
页数:9
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