Elastic Field of a Partially Debonded Elliptic Inhomogeneity in an Elastic Matrix (Plane-Strain)

[+] Author and Article Information
B. L. Karihaloo

Department of Civil Engineering and Surveying, University of Newcastle, New South Wales, Australia 2308

K. Viswanathan

Defence Science Centre, Metcalfe House, Delhi, India 110054

J. Appl. Mech 52(4), 835-840 (Dec 01, 1985) (6 pages) doi:10.1115/1.3169155 History: Received August 01, 1984; Revised October 01, 1984; Online July 21, 2009


The problem of the stress-field of an elliptic inhomogeneity that has debonded over an arc of its common boundary with a different elastic material is studied under plane-strain conditions. Eshelby’s method of equivalent inclusion is employed. The “equivalence relation” is solved by a method that is applicable to any general plane-strain situation. Further, the relative displacements of the debonded faces are derived from the discontinuous behavior of individual terms associated with the derivatives of Green’s function. Numerical results are presented for the stress-intensity factors at the tips of the debonded arc and the relative displacements across the debond.

Copyright © 1985 by ASME
Topics: Plane strain , Stress
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