Understanding Crack Tip Plasticity – a Multi-Experimental Approach

Abstract:

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Crack tip plasticity has been investigated using thermoelastic stress analysis (TSA) and digital image correlation (DIC). The plastic zone size at the tip of a propagating fatigue crack was measured using both techniques. At longer crack lengths, the results compared well with Dugdale’s and Irwin’s models for crack tip yielding. The TSA methodology requires careful observation of the adiabatic assumption.

Info:

Periodical:

Edited by:

R. L. Burguete, M. Lucas, E. A. Patterson, S. Quinn

Pages:

153-158

DOI:

10.4028/www.scientific.net/AMM.70.153

Citation:

R. A. Tomlinson et al., "Understanding Crack Tip Plasticity – a Multi-Experimental Approach", Applied Mechanics and Materials, Vol. 70, pp. 153-158, 2011

Online since:

August 2011

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Price:

$35.00

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