Abstract
The failure criterion of Leguillon at reentrant corners in brittle elastic materials (Leguillon 2002, Eur J Mech A/Solids 21: 61–72; Leguillon et al. (2003), Eur J Mech A—Solids 22(4): 509–524) validated in (Yosibash et al. 2004, Int J Fract 125(3–4): 307–333) for mode I loading is being extended to mixed mode loading and is being validated by experimental observations. We present an explicit derivation of all quantities involved in the computation of the failure criterion. The failure criterion is validated by predicting the critical load and crack initiation angle of specimens under mixed mode loading and comparison to experimental observations on PMMA (polymer) and Macor (ceramic) V-notched specimens.
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Yosibash, Z., Priel, E. & Leguillon, D. A failure criterion for brittle elastic materials under mixed-mode loading. Int J Fract 141, 291–312 (2006). https://doi.org/10.1007/s10704-006-0083-6
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DOI: https://doi.org/10.1007/s10704-006-0083-6