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Invariant points on energy contours around a crack tip under mixed mode loading

Boniface, V and Simha, KRY (1997) Invariant points on energy contours around a crack tip under mixed mode loading. In: International Journal of Fracture, 86 (4). pp. 301-325.

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Abstract

The locus of points around a crack tip where the strain energy density is set equal to a critical value reveals interesting features. It is seen that, for certain cases, two points on this locus remain invariant with respect to the phase of the applied loads. The existence of these invariant points is examined for different configurations - a crack in a homogeneous isotropic medium, an interface crack and an inclined interface crack. This analysis is extended to the two components of strain energy density – volumetric (VSED) and distortional (DSED).

Item Type: Journal Article
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Additional Information: Copyright of this article belongs to Springer.
Keywords: Interface crack;Inclined interface crack;Mixed mode fracture;Invariant points;Invariant length scales;Mixed mode fracture;Fracture testing of composites
Department/Centre: Division of Mechanical Sciences > Mechanical Engineering
Date Deposited: 17 Jul 2007
Last Modified: 15 Apr 2011 11:26
URI: http://eprints.iisc.ernet.in/id/eprint/10158

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