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Crystal plasticity and phenomenological approaches for the simulation of deformation behavior in thin copper alloy sheets

Type
Articles dans des revues avec comité de lecture
Author
ADZIMA, Francis
178323 Laboratoire d'Etude des Microstructures et de Mécanique des Matériaux [LEM3]
MANACH, Pierre-Yves
457614 Institut de Recherche Dupuy de Lôme [IRDL]
BONNET, Nicolas
107452 Laboratoire de Conception Fabrication Commande [LCFC]
TABOUROT, Laurent
25118 Laboratoire SYstèmes et Matériaux pour la MEcatronique [SYMME]
BALAN, Tudor
107452 Laboratoire de Conception Fabrication Commande [LCFC]

URI
http://hdl.handle.net/10985/11894
DOI
10.1016/j.ijplas.2016.06.003
Date
2017
Journal
International Journal of Plasticity

Abstract

In the expanding context of device miniaturization, forming processes of ultra thin sheet metals are gaining importance. Numerical simulation of these processes requires accurate material modeling. In this study, both the phenomenological modeling approach and the crystal plasticity finite element method (CPFEM) are considered. Theoretical definitions of both models, numerical implementation as well as their parameter identification procedures are outlined. Subsequently they are compared on a one to one basis, mainly with regards to their ability to predict mechanical responses for a variety of strain loading paths.

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