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Interfacial crack kinking subjected to contact effects
Journal of Mechanics of Materials and Structures
We investigate the problem of a kinking crack at a bimaterial interface when the two surfaces are in contact near the crack tip. Using a potential function and the dislocation technique, we relate, by a singular integral equation, the stress intensity factors (SIF) at the kinking crack tip to the SIF before crack kinking. We use Gauss-Chebyshev integration formulas to solve this integral equation numerically. We evaluate the kinking angles from a bimaterial interface under conditions of contactdoi:10.2140/jomms.2008.3.591 fatcat:b23ylkpbgzgvjhzejjxo4cdmam