Modélisation en Champ-moyen D'évolutions - Sophia Antipolis, France - Mines Paris-PSL

Mines Paris-PSL
Mines Paris-PSL
Entreprise vérifiée
Sophia Antipolis, France

il y a 3 semaines

Sophie Dupont

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Sophie Dupont

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Description

Modélisation en champ-moyen d'évolutions microstructurales // Mean-field modeling of microstructure evolutions:

  • Réf
    ABG-123755

ADUM-57308

  • Sujet de Thèse 08/05/2024
  • Mines Paris-PSL
  • Lieu de travail
  • Sophia Antipolis
  • France
  • Intitulé du sujet
  • Modélisation en champmoyen d'évolutions microstructurales // Meanfield modeling of microstructure evolutions
  • Mots clés
  • Mean, field model, Computational Metallurgy, Dynamic and postdynamic recrystallization
  • Mean, field model, Computational Metallurgy, Dynamic and postdynamic recrystallization

Description du sujet:

The present project aims at extending a physically-based meanfield model for the prediction of recrystallization and grain growth kinetics. In order to broaden the range of validity of the current model several actions are considered. (i) Better account for microstructural heterogeneities on hardening using crystal plasticity.

  • These developments will rely on homogenization techniques at the polycrystal scale and the use of the selfconsistent approach. (ii) Better account for the effect of solute drag and grain boundary pinning on the grain boundary migration mechanism. A more
- refined description of second-phase particles and their evolution with respect to thermomechanical conditions is envisaged. (iii) Validate and extend the model to high strain rate conditions for Ni-based superalloys.

  • These numerical developments will be integrated in an extension of the FORGE
- software dedicated to mean-field modeling of microstructure evolutions.

  • These numerical developments will also benefit to other students of the team/laboratory and could be implemented in the DIGIMUsoftware.
Début de la thèse : 01/10/2024-
Nature du financement:
Précisions sur le financement:


  • Partenariat d'entreprises ou d'associations
    Présentation établissement et labo d'accueil:
  • Mines Paris-PSL
    Etablissement délivrant le doctorat:
  • Mines Paris-PSL

Ecole doctorale:

  • 364 SFA Sciences Fondamentales et Appliquées
  • Degree: MSc or MTech in Metallurgy or Applied Mathematics, with excellent academic record

Skills:
Numerical Modeling, Metallurgy, programming, proficiency in English, ability to work within a multi-disciplinary team. 31/08/2024
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