In situ SEM-DIC and EBSD measurements on cold-worked AA-5052 show crack arrest coincides with divergence of elastic and elastoplastic energy release rates as the crack-tip process zone expands beyond grain size.
The virtual crack extension method for nonlinear material behavior
2 Pith papers cite this work. Polarity classification is still indexing.
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Checkerboarding under SIMP with linear elements localizes to multiaxial load-transfer regions as a discrete stiff substitute for penalized continuous intermediate densities, while uniaxial regions remain free of the pattern.
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In situ elucidation of mechanisms governing crack transition to plasticity arrest
In situ SEM-DIC and EBSD measurements on cold-worked AA-5052 show crack arrest coincides with divergence of elastic and elastoplastic energy release rates as the crack-tip process zone expands beyond grain size.