Results 181 to 190 of about 236,901 (237)

The competition between the crack kinking away from the interface and crack propagation along the interface in elastic bicrystals

International Journal of Fracture, 2010
The problem analyzed is of the crack kinking away from the interface between the two different anisotropic materials. The attention is concentrated on the initiation of the crack kinking and the condition that the length of the crack segment that is ...
Jelena M Djokovic, Ruzica Nikolic, Milan V Mićunović   +2 more
exaly   +2 more sources

A Theoretical Note on Mode I Crack Kinking and Branching

Advanced Materials Research, 2010
An energy-based fracture mode has been derived for the mode I crack kinking and branching. The classic -integral has been further explored by a new partial integral path and the analytical solution of the energy release rate for crack kinking and ...
Y J Xie, Xiao Zhi Hu
exaly   +2 more sources

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Approximate Description of Crack Kinking and Curving

Journal of Applied Mechanics, 1981
An approximate description is given of the slightly out-of-plane growth of a straight crack under mixed-mode loading and in the presence of an in-plane stress. By using a perturbation technique, conditions are derived for the deviation of the crack from straightness.
Karihaloo, B. L., Keer, L. M., Nemat-Nasser, S., Oranratnachai, A.   +3 more
openaire   +2 more sources

A model for crack growth with branching and kinking [PDF]

Asymptotic Analysis, 2014
We study an evolution model for fractured elastic materials in the 2-dimensional case, for which the crack path is not assumed to be known a priori. We introduce some general assumptions on the structure of the fracture sets suitable to remove the restrictions on the regularity of the crack sets and to allow for kinking and branching to develop.
openaire   +1 more source

Fatigue crack closure for inclined and kinked cracks

International Journal of Fracture, 2002
This paper presents recent work on finite element modelling of plasticity-induced fatigue crack closure occurring in cracks which are inclined to the loading axis, and which may then develop a kink. Such crack deviations occur naturally during crack growth, and improved life prediction models require understanding of the effects of such inclined ...
L.-W. Wei, M.N. James
openaire   +1 more source

Effect of a micro-crack on the kinked macro-crack

Theoretical and Applied Fracture Mechanics, 2018
Abstract The solution of an infinite plane containing an arbitrarily located micro-crack and a kinked macro-crack is presented based on the distributed dislocation technique (DDT). The stress field, the plastic zone of the macro-crack tip (PZ) and the stress intensity factors at the macro-crack tip (SIFs) are obtained.
Xiaotao Li, Hongda Yang, Xiaodong Zan, Xu Li, Xiaoyu Jiang   +4 more
openaire   +1 more source

Crack extension and kinking in piezoceramics

SPIE Proceedings, 1999
The problem of an isolated crack as well as a crack with a kink in a plane piezoceramic medium is theoretically investigated in this study. The orientation of a crack with respect to the poling direction may be arbitrary. The approaches of Lekhnitskii's complex potentials and distributed dislocation modeling of cracks for elastic solids are extended to
X. L. Xu, R. K. N. D. Rajapakse
openaire   +1 more source

On the stability of cracks with bridged kinks

Engineering Fracture Mechanics, 2001
Abstract Crack extension in composites consisting of brittle matrix reinforced by ductile particles is analyzed under conditions of mixed in-plane loading. The applied loading is characterized in terms of the nominal stress intensity factors, k I N and k II N .
Michal Kotoul, Radek Urbiš
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Pre-kinking of a moving crack in a magnetoelectroelastic material under in-plane loading [PDF]

International Journal of Solids and Structures, 2013
A constant moving crack in a magnetoelectroelastic material under in-plane mechanical, electric and magnetic loading is studied for impermeable crack surface boundary conditions. Fourier transform is employed to reduce the mixed boundary value problem of
Zengtao Chen
exaly   +2 more sources

Kinked crack in anisotropic bodies

International Journal of Solids and Structures, 2000
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Yang, S., Yuan, F.-G.
openaire   +1 more source