Antiplane Shear Interface Cracks in Anisotropic Bimaterials

[+] Author and Article Information
Kuang-Chong Wu, Yu-Tsung Chiu

Institute of Applied Mechanics, National Taiwan University, Taipei, 10764, Taiwan

J. Appl. Mech 58(2), 399-403 (Jun 01, 1991) (5 pages) doi:10.1115/1.2897199 History: Received July 24, 1989; Revised November 19, 1990; Online March 31, 2008


An analysis of antiplane shear interface cracks in a finite anisotropic composite body is presented. The analysis is done by a new complex-variable integral equation formulation based on the solutions of a dislocation and body force in an infinite composite body. Numerical results of the stress intensity factors are presented for the composite bodies with finite rectangular cross-sections under uniform shear. The composite bodies are formed by bonding an orthotropic material to an isotropic material. The numerical results show that there exists a lower bound for the stress intensity factor for a fixed crack-length-to-height ratio and that the lower bound is attained in the case of isotropic bimaterial.

Copyright © 1991 by The American Society of Mechanical Engineers
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