Abstract
An interfacial crack in an anisotropic bimaterial wedge under antiplane shear is investigated. An interfacial wedge crack in an isotropic bimaterial with concentrated forces is first solved by using the Mellin transform and the Wiener–Hopf technique. The solution of an interfacial crack in an anisotropic composite wedge is then derived from the isotropic solution based on a linear transformation method. An expression for the stress intensity factor for the interfacial crack is obtained. The asymptotic problem of an interfacial wedge crack is also analyzed. The stress intensity factor is obtained in terms of the stress intensity factor of a wedge without cracks. Numerical calculations of the stress intensity factor are carried out for various wedge types such as symmetric and asymmetric wedges as well as wedges with edge cracks and kinked cracks.
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