Abstract
Abstract The near-tip fields of small Case B cracks in power-law hardening materials are investigated under generalized plane-strain, mixed mode and general yielding conditions by finite element analyses. The results of the J integral from the finite element analyses are used to correlate to a fatigue crack growth criterion for Case B cracks. The trend of constant ΔJ contours on the Γ-plane is compared reasonably well with those of the experimental results of constant fatigue life and constant fatigue crack growth rate.
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