Abstract
Under the conditions of plane deformation, by the Wiener–Hopf method, we perform the numerical analysis of the process zone in the vicinity of the tip of an interface crack that propagating from an angular point of the interface of two different materials one of which is plastic. The zone is modeled by a lateral segment of discontinuity of tangential displacements and by a segment of discontinuity of normal displacements on the interface. We study the influence of the formation of a plastic zone on the conditions of crack start.
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