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

被引：131
|
作者：
Yosibash, Zohar [1 ]
Priel, Elad
Leguillon, Dominique
机构：
[1] Ben Gurion Univ Negev, Dept Mech Engn, Pearlstone Ctr Aeronatu Engn Studies, IL-84105 Beer Sheva, Israel
[2] Univ Paris 06, CNRS, UMR 7607, LMM, F-75252 Paris 05, France
来源：
INTERNATIONAL JOURNAL OF FRACTURE | 2006年 / 141卷 / 1-2期
关键词：
failure initiation; mixed-mode fracture; generalized stress intensity factors; V-notch;
D O I：
10.1007/s10704-006-0083-6
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
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. (2603), 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.
引用
收藏
页码：291 / 312
页数：22
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