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Three-dimensional non-axisymmetric behavior of a penny shaped crack in a piezoelectric strip subjected to in-plane loads

✍ Scribed by Ji Hyuck Yang; Kang Yong Lee

Publisher: Elsevier Science
Year: 2002
Tongue: English
Weight: 241 KB
Volume: 21
Category: Article
ISSN: 0997-7538
DOI: 10.1016/s0997-7538(01)01207-4

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✦ Synopsis

The behavior of a penny shaped crack in a three-dimensional piezoelectric ceramic strip under non-axisymmetric in-plane normal mechanical and electrical loads is analyzed based on the continuous electric boundary conditions of the crack surface. The potential theory, Hankel transform and Fourier series are used to obtain the systems of dual integral equations, which are then expressed as Fredholm integral equations. The singular mechanical and electric fields and all mode-I field intensity factors are obtained, and the numerical values of various field intensity factors for PZT-6B piezoelectric ceramic are shown graphically for an uniform load and a pair of concentrated load, respectively.  2002 Éditions scientifiques et médicales Elsevier SAS. All rights reserved.

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