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Proceedings Paper

Effect of electrical boundary conditions on domain switching near the crack tip in piezoceramics
Author(s): Sureshkumar Kalyanam; Chin-Teh Sun
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Paper Abstract

A finite element was developed to model the dielectric property of the medium that fills the crack cavity in a piezoelectric material. The element was interfaced with the commercial code ABAQUS which provides the piezoelectric element to model the cracked piezoelectric body. The crack cavity permeability effects on the near tip stresses and electric fields in a compact tension specimen were investigated and discussed. The domain switching zones corresponding to various loads and crack surface electric boundary conditions were obtained. As expected, an increased permeability in the crack cavity decreased the size of domain switching zone. It was found that the outcome of domain switching depends on the loading sequence.

Paper Details

Date Published: 19 June 2000
PDF: 12 pages
Proc. SPIE 3984, Smart Structures and Materials 2000: Mathematics and Control in Smart Structures, (19 June 2000); doi: 10.1117/12.388765
Show Author Affiliations
Sureshkumar Kalyanam, Purdue Univ. (United States)
Chin-Teh Sun, Purdue Univ. (United States)

Published in SPIE Proceedings Vol. 3984:
Smart Structures and Materials 2000: Mathematics and Control in Smart Structures
Vasundara V. Varadan, Editor(s)

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