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Interactions of interfacial arc cracks

Prasad, PBN and Simha, KRY (2002) Interactions of interfacial arc cracks. In: International Journal of Fracture, 117 (1). pp. 39-62.

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The interaction of two interfacial arc cracks around a circular elastic inclusion embedded in an elastic matrix is examined. New results for stress intensity factors for a pair of interacting cracks are derived for a concentrated force acting in the matrix. For verifying the point load solutions, stress intensity factors under uniform loading are obtained by superposing point force results. For achieving this objective, a general method for generating desired stress fields inside a test region using point loads is described. The energetics of two interacting interfacial arc cracks is discussed in order to shed more light on the debonding of hard or soft inclusions from the matrix. The analysis based on complex variables is developed in a general way to handle the interactions of multiple interfacial arc cracks/straight cracks.

Item Type: Journal Article
Publication: International Journal of Fracture
Publisher: Springer
Additional Information: Copyright of this article belongs to Springer.
Keywords: Complex variable;stress intensity factors;circular arc crack;debonding;crack interaction
Department/Centre: Division of Mechanical Sciences > Mechanical Engineering
Date Deposited: 19 Jul 2011 08:19
Last Modified: 19 Jul 2011 08:19
URI: http://eprints.iisc.ac.in/id/eprint/39249

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