Crack Path Investigation Using the Generalized Maximum Tangential Stress Criterion: Antisymmetrical Four-Point Bending Specimen

Lucie Šestáková Malíková

doi:10.4028/www.scientific.net/AMM.436.108

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 436Crack Path Investigation Using the Generalized...

Crack Path Investigation Using the Generalized Maximum Tangential Stress Criterion: Antisymmetrical Four-Point Bending Specimen

Abstract:

A mixed-mode geometry has been chosen in order to investigate crack propagation through the specimen. There exist several criteria for estimation of the crack path, and this work enriches the concept by application of multi-parameter fracture mechanics. Particularly, the classical MTS criterion is presented in its generalized form when several initial terms of the so-called Williams series expansion are used for the tangential stress approximation. The results obtained show that the generalized approach can be important in some special cases, when the criterion shall be applied in a larger distance from the crack tip.

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Periodical:

Applied Mechanics and Materials (Volume 436)

Pages:

108-113

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.436.108

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Online since:

October 2013

Authors:

Lucie Šestáková Malíková

Keywords:

Crack Propagation Angle, Crack-Tip Field, Generalized MTS Criterion, Multi-Parameter Fracture Mechanics, Williams Power Expansion

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