Crack-tip stresses as computed from strains determined by stereoimaging

descriptionPublicationkeyboard_double_arrow_right Article 01 Jun 1983 English Publisher:Springer Science and Business Media LLCJournal:Experimental Mechanics, volume 23, pages 242-248 (issn: 0014-4851, eissn: 1741-2765,

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Authors: D. L. Davidson; D. R. Williams; J. E. Buckingham;

doi: 10.1007/bf02320416

Crack-tip stresses as computed from strains determined by stereoimaging

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Abstract

Measurements of the three in-plane elements of the strain tensor near a crack tip have been combined with the material constitutive behavior to compute the three inplane elements of the stress tensor and the mean stress. The method is illustrated with fatigue-crack plasticity results for 7075-T651 aluminum alloy.

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