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Finite Element Modeling and Optimization of Mechanical Joining Technology

Abstract : The main scientific ingredients are recalled for developing a general finite element code and model accurately large plastic deformation of metallic materials during joining processes. Multi material contact is treated using the classical master and slave approach. Rupture may occur in joining processes or even be imposed in self piercing riveting and it must be predicted to evaluate the ultimate strength of joins. Damage is introduced with a generalized uncoupled damage criterion, or by utilizing a coupled formulation with a Lemaître law. Several joining processes are briefly analyzed in term of specific scientific issues: riveting, self piercing riveting, clinching, crimping, hemming and screwing. It is shown that not only the joining process can be successfully simulated and optimized, but also the strength of the assembly can be predicted in tension and in shearing.
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Submitted on : Tuesday, February 28, 2012 - 4:30:25 PM
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Jean-Loup Chenot, Pierre-Olivier Bouchard, Elisabeth Massoni, Katia Mocellin, Patrice Lasne. Finite Element Modeling and Optimization of Mechanical Joining Technology. The 14th International Esaform Conference on Material Forming: ESAFORM 2011, Apr 2011, Belfast, United Kingdom. pp.247-1252 - ISBN 978-0-7354-0911-8, ⟨10.1063/1.3589687⟩. ⟨hal-00675006⟩



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