Physically Justified Models for Crystal Plasticity Developed with Dislocation Dynamics SimulationsReportar como inadecuado




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1 LEM - ONERA - CNRS - Laboratoire d-étude des microstructures

Abstract : This article highlights how dislocation dynamics DD simulations provide a unique opportunity for establishing scale transitions in crystal plasticity. Recent progress in this numerical method is briefly reviewed. Based on the standard problem of plasticity in fcc crystals, we show that DD simulation insight provides guidelines for modeling material mechanical properties controlled by the collective behavior of dislocation microstructures. Hence, DD simulation allows more physical input to be incorporated into continuum models for strain hardening, thereby improving their predictive ability.

Keywords : DISLOCATION DYNAMICS SIMULATIONS CRYSTAL PLASTICITY





Autor: Benoit Devincre - Riccardo Gatti -

Fuente: https://hal.archives-ouvertes.fr/



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