Effective stress intensities in stress corrosion cracking

descriptionPublicationkeyboard_double_arrow_right Article 01 Apr 1976 English Publisher:Springer Science and Business Media LLCJournal:International Journal of Fracture, volume 12, pages 253-263 (issn: 0376-9429, eissn: 1573-2673,

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Authors: I. M. Austen; R. Brook; J. M. West;

doi: 10.1007/bf00036983

Effective stress intensities in stress corrosion cracking

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Abstract

The phenomena of branching and blunting of stress corrosion cracks are reviewed and their effects demonstrated for a martensitic steel. The stress intensity that a crack can sustain is proportional to the square root of its tip radius, so that blunt cracks require a higher apparent stress intensity. A simple procedure is outlined for converting apparent stress intensities to effective stress intensities, so eliminating anomalous effects due to crack branching and blunting.

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University of Sheffield
United Kingdom

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