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Journal Articles International Journal of Solids and Structures Year : 2019

Debonding of a circular inclusion: Asymmetric propagation of a pair of cracks

Vinh Hoang Tan Le
Sébastien Brisard
Amade Pouya

Abstract

Crack propagation associated with two initially symmetrical cracks located at the interface between an inclusion and the surrounding matrix, subjected to remote traction, is studied by means of Griffith’s energy criterion within the framework of linear elastic fracture mechanics. Using Muskhelishvili’s method of complex potentials, we derive semi-analytical expressions of the stress intensity factor and energy release rate at the crack-tip. Based on these results, we discuss the mode of propagation of the cracks. Our analysis points at the possibility of a single-sided, rather than simultaneous, symmetric crack growth, even if both initial configuration and loading are symmetric.
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hal-02067332 , version 1 (14-03-2019)

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Vinh Hoang Tan Le, Sébastien Brisard, Amade Pouya. Debonding of a circular inclusion: Asymmetric propagation of a pair of cracks. International Journal of Solids and Structures, 2019, 167, pp.71-78. ⟨10.1016/j.ijsolstr.2019.03.004⟩. ⟨hal-02067332⟩
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