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Comportement thermomécanique en plasticité de transformation

Published online by Cambridge University Press:  15 March 1998

S. Agouram
Affiliation:
Laboratoire de Mécanique et des Matériaux, Faculté des sciences, Université Mohammed V, avenue Ibn Battouta, Rabat, Maroc
L. Abdous
Affiliation:
Laboratoire de Mécanique et des Matériaux, Faculté des sciences, Université Mohammed V, avenue Ibn Battouta, Rabat, Maroc
M. O. Bensalah*
Affiliation:
Laboratoire de Mécanique et des Matériaux, Faculté des sciences, Université Mohammed V, avenue Ibn Battouta, Rabat, Maroc
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Abstract

We present, in this paper, a study of the thermomechanical behaviour of a single crystal in transformation plasticity using Taylor's approach, and we neglect the internal stress associated to the interactions between martensitic variants. We represent those interactions by a matrix deduced from a thermodynamical potential's optimization associated to the transformation. We also point out the contribution of the variant's reorientation mechanism to the thermomechanical behaviour.

Keywords

Type
Research Article
Copyright
© EDP Sciences, 1998

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