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Advances in Fatigue Crack Closure Measurement and Analysis: Second Volume
An assessment of the plasticity-induced crack-closure concept is made, in light of some of the questions that have been raised on the validity of the concept, and the assumptions that have been made concerning crack-tip damage below the crack-opening stress. The impact of using other crack-tip parameters, such as the cyclic crack-tip displacement, to model crack-growth rate behavior was studied. Crack-growth simulations, using a crack-closure model, showed a close relation between traditionaldoi:10.1520/stp15754s fatcat:5ima2kh47rfipg657vagrz5oke