International Journal of Fracture

, Volume 141, Issue 1–2, pp 291–312 | Cite as

A failure criterion for brittle elastic materials under mixed-mode loading

Original Article


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.


Failure initiation Mixed-mode fracture Generalized stress intensity factors V-notch 


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Copyright information

© Springer Science+Business Media B.V. 2006

Authors and Affiliations

  • Zohar Yosibash
    • 1
  • Elad Priel
    • 1
  • Dominique Leguillon
    • 2
  1. 1.Pearlstone Center for Aeronautical Engineering Studies, Department of Mechanical EngineeringBen-Gurion University of the NegevBeer-ShevaIsrael
  2. 2.LMM-CNRS UMR7607Universite Pierre et Marie CurieParis Cedex 05France

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