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http://dx.doi.org/10.3795/KSME-A.2012.36.6.665

Antiplane Problem of Interfacial Cracks Bonded with Transversely Isotropic Piezoelectric Media  

Choi, Sung-Ryul (School of Mechanical Engineering, Yeungnam Univ.)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.36, no.6, 2012 , pp. 665-672 More about this Journal
Abstract
Interfacial cracks bonded with dissimilar transversely isotropic piezoelectric media that are subjected to combined anti-plane mechanical and in-plane electrical loading are analyzed. The problem is formulated using complex function theory, from which the Hilbert problem is derived. By solving the Hilbert problem, the general form solution is obtained. Using this solution, closed-form solutions for one or two finite cracks as well as a semi-infinite crack are obtained, for the problem in which one concentrated mechanical and electrical load is imposed on the crack surface. This solution could be used as a Green's function to generate solutions to other problems with the same geometry but different loading conditions.
Keywords
Piezoelectric Material; Electric Displacement; Intensity Factor; Interfacial Crack;
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