A constitutive model for multi-phase steels

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Abstract

Mean-Field homogenization algorithms for materials involving two or more elastic-plastic constituent phases are investigated. The Voigt, Reuss and Self consistent schemes which are directly applicable to multi-phase systems are implemented. The shortcomings of these schemes are accuracy for the former two and computational efficiency for the latter. A new interpolative model is proposed which is aimed to be both computationally efficient and accurate. The results of the models are studied on the material point level for a prescribed uniaxial tensile deformation. It is observed that the response computed by the proposed scheme closely matches that computed by the Self Consistent approach.
Original languageEnglish
Title of host publicationProceedings of the AMPT conference
EditorsY Chastel
Place of PublicationParis, France
PublisherAIP
Pages3-8
Publication statusPublished - 24 Oct 2010

Publication series

Name
PublisherAmerican Institute of Physics

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Keywords

  • METIS-270201
  • constitutive model
  • dual phase
  • TRIP
  • Mean Field
  • Homogenization
  • IR-74790

Cite this

Perdahcioglu, E. S., & Geijselaers, H. J. M. (2010). A constitutive model for multi-phase steels. In Y. Chastel (Ed.), Proceedings of the AMPT conference (pp. 3-8). Paris, France: AIP.