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Communication Dans Un Congrès Année : 2012

Multidomain modelling of the magneto-mechanical behaviour of dual- phase steels

Said Lazreg
  • Fonction : Auteur
  • PersonId : 909291
Philip Meilland
  • Fonction : Auteur
  • PersonId : 909292

Résumé

The microstructure and mechanical behaviour of dual-phase steels are highly sensitive to the variation of the process (temperature of austeno-ferritic heat treatment). Online control by magnetic method is relevant to detect any fluctuation of the microstructure. The dual-phase is a steel composed of ferrite and martensite phases. Each phase can be considered as a sphere embedded in a homogeneous equivalent medium. The magnetic model used for each phase is based on a magneto-mechanical coupled model. This is an explicit single crystalline model representative of the behaviour of the corresponding phase. Localization rules allow the simulation of the average medium. Experiments are carried out and compared to the modelling.
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Dates et versions

hal-00686126 , version 1 (07-04-2012)

Identifiants

  • HAL Id : hal-00686126 , version 1

Citer

Frederick Mballa Mballa, Olivier Hubert, Said Lazreg, Philip Meilland. Multidomain modelling of the magneto-mechanical behaviour of dual- phase steels. 18th World Conference on Nondestructive Testing, Apr 2012, Durban, South Africa. ⟨hal-00686126⟩
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