Modeling of dynamic and post-dynamic recrystallization by coupling a full field approach to phenomenological laws

Ludovic Maire 1, * Benjamin Scholtes 1 Charbel Moussa 1 Nathalie Bozzolo 1 Daniel Pino Muñoz 1 Amico Settefrati 2 Marc Bernacki 1
* Auteur correspondant
1 CEMEF - Centre de Mise en Forme des Matériaux
2 Transvalor
Abstract : This paper describes a level set framework for the full field modeling of dynamic and post-dynamic recrystallization in a 3D polycrystalline material with an accurate description of grains topology at large deformation and application to 304L austenitic stainless steel. Topological evolutions are simulated based on a kinetic law linking the velocity of the boundaries to the thermodynamic driving forces. Recrystallization is modeled by coupling a level set approach to phenomenological laws describing strain hardening mechanism and nucleation criteria. Although the proposed formalism does not consider crystal plasticity because of its computational costs, it enables to reach outstanding dynamic recrystallization computations in a front-capturing finite element framework comparatively to the state of art.
Keywords : Metallic materials Level set Recrystallization Grain boundaries Finite elements microstructures grain boundaries recrystallization metallic materials finite elements level set
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Article dans une revue
Materials and Design, Elsevier, 2017, 133, pp.498-519. 〈10.1016/j.matdes.2017.08.015〉
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Ludovic Maire, Benjamin Scholtes, Charbel Moussa, Nathalie Bozzolo, Daniel Pino Muñoz, et al.. Modeling of dynamic and post-dynamic recrystallization by coupling a full field approach to phenomenological laws. Materials and Design, Elsevier, 2017, 133, pp.498-519. 〈10.1016/j.matdes.2017.08.015〉. 〈hal-01573836〉

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