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Branching mechanism of intergranular crack propagation in three dimensions

M. Itakura, H. Kaburaki, and C. Arakawa
Phys. Rev. E 71, 055102(R) – Published 19 May 2005
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Abstract

We investigate the process of slow intergranular crack propagation by the finite element method model and show that branching is induced by partial arresting of a crack front owing to the geometrical randomness of grain boundaries. A possible scenario for the branching instability of crack propagation in a disordered continuous medium is also discussed.

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  • Received 17 February 2005

DOI:https://doi.org/10.1103/PhysRevE.71.055102

©2005 American Physical Society

Authors & Affiliations

M. Itakura and H. Kaburaki

  • Center for Promotion of Computational Science and Engineering, Japan Atomic Energy Research Institute, Taito-ku, Higashiueno 6-9-3, Tokyo 110-0015, Japan

C. Arakawa

  • Interfaculty Initiative in Information Studies, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113, Japan

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Vol. 71, Iss. 5 — May 2005

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