Assessment of crack tip plastic zone size and shape and its influence on crack tip shielding

Volume: 39, Issue: 8, Pages: 969 - 981
Published: Aug 1, 2016
Abstract
This paper presents a novel methodology for the experimental quantification of the crack tip plastic zone during fatigue crack growth. It is based on the application of yielding criteria to estimate the area and shape of the crack tip plastic zone using both the von Mises and Tresca yield criteria. The technique employs strain maps calculated from displacement fields obtained by digital image correlation. Stress maps were subsequently found by...
Paper Details
Title
Assessment of crack tip plastic zone size and shape and its influence on crack tip shielding
Published Date
Aug 1, 2016
Volume
39
Issue
8
Pages
969 - 981
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