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Finite element simulations of dynamic strain ageing effects at V-notches and crack tips.

Abstract : Finite element simulations of PLC effects in notched and CT (compact tensile) specimens of aluminium alloys are presented, based on a macroscopic PLC constitutive model. They predict the formation and propagation of intense strain rate localization bands. In particular, the predicted size of the plastic zone around the crack tip in a pre-cracked CT specimen is compared to the value found when using a standard elastoplastic model neglecting PLC effects.
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https://hal.archives-ouvertes.fr/hal-00014205
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Submitted on : Monday, January 30, 2006 - 3:02:39 PM
Last modification on : Friday, March 4, 2022 - 3:18:01 AM

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Stéphanie Graff, Samuel Forest, Jean-Loup Strudel, Philippe Pilvin, Claude Prioul, et al.. Finite element simulations of dynamic strain ageing effects at V-notches and crack tips.. Scripta Materialia, Elsevier, 2005, 52, pp.1181-1186. ⟨10.1016/j.scriptamat.2005.02.007⟩. ⟨hal-00014205⟩

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