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TECHNICAL PAPERS

Interface Cracks in a Layered Solid Subjected to Contact Stresses

[+] Author and Article Information
C. H. Liu

Department of Mechanical Engineering, Tamkang University, Tamsui, Taipei, Taiwan 250, R.O.C.

I-Feng Chen

Materials Research Laboratories, Industrial Technology Research Institute, Hsinchu, Taiwan, R.O.C.

J. Appl. Mech 63(2), 271-277 (Jun 01, 1996) (7 pages) doi:10.1115/1.2788860 History: Received May 28, 1993; Revised July 14, 1994; Online October 26, 2007

Abstract

A boundary element technique has been developed to analyze interface cracks in a layered solid. The loading applied on the solid may be tension, compression, shear, or an arbitrary combination of these. Crack surfaces may be open, closed, or partially open and partially closed. In all these cases, energy release rates can always be determined by using this technique. Crack-tip conditions are determined by an iterative procedure so that they themselves are parts of the solutions of a problem. The numerical technique is utilized to analyze subsurface interface cracks in a layered solid. Results are shown for various materials and under various loading conditions.

Copyright © 1996 by The American Society of Mechanical Engineers
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