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Modélisation multiéchelle de la déformation rapide d'un métal (Multiscale modeling of fast deformation in metals)

Christophe Denoual 1 Ronan Madec 1 Yves-Patrick Pellegrini 1 Hervé Troadec 1
1 DAM/DIF - DAM Île-de-France
Abstract : A multiscale modeling approach developed at CEA-DAM for fast plastic deformation of polycrystalline metals is described. It consists in a chain of models encompassing the atomic scale, the microscopic scale (dislocations), the mesoscopic scale (assembly of dislocations), up to the macroscopic scale of mono- and polycrystals. Their outcomes are embodied in a physical constitutive model suitable to finite-element codes.
Keywords : plasticity metal multiscale modeling dislocation dynamics phase field Peierls stress three-stage hardening polycrystal
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https://hal-cea.archives-ouvertes.fr/cea-00412988
Contributor : Yves-Patrick Pellegrini Connect in order to contact the contributor
Submitted on : Wednesday, September 2, 2009 - 7:51:27 PM
Last modification on : Monday, May 3, 2021 - 5:16:03 PM

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  • HAL Id : cea-00412988, version 1

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Christophe Denoual, Ronan Madec, Yves-Patrick Pellegrini, Hervé Troadec. Modélisation multiéchelle de la déformation rapide d'un métal (Multiscale modeling of fast deformation in metals). Chocs, CEA-DAM, 2006, 33, pp.70-78. ⟨cea-00412988⟩

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