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Article Dans Une Revue Modelling and Simulation in Materials Science and Engineering Année : 2023

Modeling CDRX and MDRX during hot forming of zircaloy-4

Victor Grand
Baptiste Flipon
Alexis Gaillac
  • Fonction : Auteur
Marc Bernacki

Résumé

A recently developed full field level-set model of continuous dynamic recrystallization is applied to simulate zircaloy-4 recrystallization during hot compression and subsequent heat treatment. The influence of strain rate, final strain and initial microstructure is investigated, by experimental and simulation tools. The recrystallization heterogeneity is quantified. This enables to confirm that quenched microstructures display a higher extent of heterogeneity. The simulation results replicate satisfactorily experimental observations. The simulation framework is especially able to capture such recrystallization heterogeneity induced by a different initial microstructure. Finally, the role of intragranular dislocation density heterogeneities over the preferential growth of recrystallized grains is pointed out thanks to additional simulations with different numerical formulations.
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Dates et versions

hal-04353438 , version 1 (19-12-2023)

Identifiants

Citer

Victor Grand, Baptiste Flipon, Alexis Gaillac, Marc Bernacki. Modeling CDRX and MDRX during hot forming of zircaloy-4. Modelling and Simulation in Materials Science and Engineering, 2023, 31 (8), pp.085008. ⟨10.1088/1361-651X/acfe27⟩. ⟨hal-04353438⟩
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