Effect of electrical boundary conditions on domain switching near the crack tip in piezoceramics

Sureshkumar Kalyanam; Chin-Teh Sun

doi:10.1117/12.388765

19 June 2000 Effect of electrical boundary conditions on domain switching near the crack tip in piezoceramics

Sureshkumar Kalyanam, Chin-Teh Sun

Proceedings Volume 3984, Smart Structures and Materials 2000: Mathematics and Control in Smart Structures; (2000) https://doi.org/10.1117/12.388765
Event: SPIE's 7th Annual International Symposium on Smart Structures and Materials, 2000, Newport Beach, CA, United States

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.

Citation Download Citation

Sureshkumar Kalyanam and Chin-Teh Sun "Effect of electrical boundary conditions on domain switching near the crack tip in piezoceramics", Proc. SPIE 3984, Smart Structures and Materials 2000: Mathematics and Control in Smart Structures, (19 June 2000); https://doi.org/10.1117/12.388765

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