Modeling of edge cracks interaction

V. Petrova; S. Schmauder; A. Shashkin

doi:10.3221/IGF-ESIS.36.02

Modeling of edge cracks interaction

Authors

V. Petrova
S. Schmauder
A. Shashkin

DOI:

https://doi.org/10.3221/IGF-ESIS.36.02

Keywords:

Edge cracking, Stress intensity factors, Fracture criteria, Direction of crack propagation, Shielding-amplification effects

Abstract

From experimental and theoretical investigations it is known that cracks are sensitive to geometry, e.g., to the inclination angle to the load. A small deviation of a crack from the normal direction to a tensile load causes mixed mode conditions near the crack tip which lead to deviation of the crack from its initial propagation direction. Besides, the presence of other cracks, inhomogeneities, surfaces and their interaction causes additional deformations and stresses which also have influence on the initiation of the crack propagation and on the direction of this propagation. The aim of this paper is to show the effects of the interaction of edge cracks on further crack formation. The main fracture characteristics, such as, stress intensity factors, fracture angles and critical loads are provided in this study. A series of illustrative examples is presented for different geometries of arbitrarily inclined edge cracks

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Published

22-03-2016

Issue

Vol. 10 No. 36 (2016): April 2016

Section

Miscellanea

License

Copyright
Authors are allowed to retain both the copyright and the publishing rights of their articles without restrictions.

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