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Attractive and repulsive cracks in a heterogeneous material

Abstract : We study experimentally the paths of an assembly of cracks growing in interaction in a heterogeneous two-dimensional elastic brittle material submitted to uniaxial stress. For a given initial crack assembly geometry, we observe two types of crack path. The first one corresponds to a repulsion followed by an attraction on one end of the crack and a tip to tip attraction on the other end. The second one corresponds to a pure attraction. Only one of the crack path type is observed in a given sample. Thus, selection between the two types appears as a statistical collective process.
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Contributor : Pierre-Philippe Cortet Connect in order to contact the contributor
Submitted on : Thursday, July 17, 2008 - 9:38:52 AM
Last modification on : Wednesday, November 4, 2020 - 9:40:04 PM
Long-term archiving on: : Monday, May 31, 2010 - 6:46:03 PM


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Pierre-Philippe Cortet, Guillaume Huillard, Loïc Vanel, Sergio Ciliberto. Attractive and repulsive cracks in a heterogeneous material. 2008. ⟨ensl-00299089v1⟩



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