期刊
ENGINEERING FRACTURE MECHANICS
卷 155, 期 -, 页码 36-48出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.engfracmech.2016.01.015
关键词
Crack growth direction; Effective stress; Crack initiation angle; Stress intensity factor; Triaxial loading
类别
To predict the crack propagation trajectory under general mixed mode loading, a novel criterion has been developed. For this purpose, the material-dependent effective stress proposed in the maximum effective stress criterion based on involving all effective components in crack extension under mixed mode I/II, has been developed for mixed mode I/II/III. The effects of the ratio of fracture toughness in mode III to that of mode I (KIIIC/KIC) on the crack growth have been considered by using a new material parameter. The predicted results of developed criterion in different mixed mode conditions show good agreement with the available experimental ones. (C) 2016 Elsevier Ltd. All rights reserved.
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