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Advances in Level-Set Modeling of Recrystallization at the Polycrystal Scale - Development of the of the Digi-μ Software

Abstract : The mechanical and thermal properties of metallic materials are strongly related to theirmicrostructure. An accurate and quantitative prediction of microstructural evolutions is then crucialwhen it comes to optimize the forming process. Recently a new full field approach, based on a Level-Set (LS) description of interfaces in a finite element (FE) context has been introduced to model 2D and3D primary recrystallization (ReX), including the nucleation stage [1, 2], and has been extended to takeinto account the grain growth (GG) stage [3, 4]. The ability of this approach to model also the Zenerpinning (ZP) phenomenon without any assumption concerning the shape of second phase particleswas also demonstrated [5]. Moreover, recent developments have also illustrated the capability of thisapproach to take into account the characteristics of twin interfaces during grain boundary motion [6,7]. Current work concerns also the improvement of the numerical cost of this new approach [8]. Allthese developments are necessary to account for the microstructural complexity of ReX phenomenon.
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https://hal-mines-paristech.archives-ouvertes.fr/hal-01247693
Contributor : Magalie Prudon <>
Submitted on : Tuesday, December 22, 2015 - 3:38:55 PM
Last modification on : Tuesday, March 23, 2021 - 5:28:03 PM

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Benjamin Scholtes, Modesar Shakoor, Nathalie Bozzolo, Pierre-Olivier Bouchard, Amico Settefrati, et al.. Advances in Level-Set Modeling of Recrystallization at the Polycrystal Scale - Development of the of the Digi-μ Software. The 18th International ESAFORM Conference on Material Forming - Material Forming ESAFORM 2015 , Apr 2015, Garz, Austria. pp.617-623 ⟨10.4028/www.scientific.net/KEM.651-653.617⟩. ⟨hal-01247693⟩

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