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Modeling Recrystallization for 3D Multi-Pass Forming Processes

Abstract : The present work concerns the simulation of metallurgical evolutions in 3D multi-pass forming processes. In this context, the analyzed problem is twofold. One point refers to the management of the microstructure evolution during each pass or each inter-pass period and the other point concerns the management of the multi-pass aspects (different grain categories, data structure). In this framework, a model is developed and deals with both aspects. The model considers the microstructure as a composite made of a given (discretized) number of phases which have their own specific properties. The grain size distribution and the recrystallized volume fraction distribution of the different phases evolve continuously during a pass or inter-pass period. With this approach it is possible to deal with the heterogeneity of the microstructure and its evolution in multi-pass conditions. Both dynamic and static recrystallization phenomena are taken into account, with typical Avrami-type equations. The present model is implemented in the Finite Element code FORGE2005®. 3D numerical simulation results for a multi-pass process are presented.
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Conference papers
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https://hal-mines-paristech.archives-ouvertes.fr/hal-00661829
Contributor : Magalie Prudon <>
Submitted on : Friday, January 20, 2012 - 5:14:02 PM
Last modification on : Wednesday, October 14, 2020 - 4:07:08 AM

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Mihaela Teodorescu, Patrice Lasne, Roland E. Logé. Modeling Recrystallization for 3D Multi-Pass Forming Processes. Third International Conference on Recrystallization and Grain Growth, ReX & GG III, Jun 2007, Jeju Island, South Korea. p. 1201-1206, ⟨10.4028/www.scientific.net/MSF.558-559.1201⟩. ⟨hal-00661829⟩

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