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Computational Material Science,
46(3):761-766
2009
ISSN: 0927-0256
Resume: A multiphase model for Ti-6Al-4V is proposed. This material is widely used in industrial applications and so needs accurate behaviour modeling. Tests have been performed in the temperature range from 25 degrees C to 1020 degrees C and at strain rates between 10(-3) s(-1) and 1 s(-1). This allowed the identification of a multiphase mechanical model coupled with a metallurgical model. The behaviour of each phase is calibrated by solving an inverse problem including a phase transformation model and a mechanical model to simulate tests under thermomechanical loadings. A scale transition rule (beta-rule) is proposed in order to represent the redistribution of local stresses linked to the heterogeneity of plastic strain. Finally this model is applied to two laser assisted processes: direct laser fabrication and laser welding. (C) 2009 Elsevier B.V. All rights reserved. Equipe: Département SI2M : Microstructures et Contraintes |
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Materials Chemistry and Physics,
117(1):268-275
2009
Equipe: Département P2M : Nanomagnétisme et Electronique de Spin |
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Materials chemistry and physics,
117(1):268-275
2009
Equipe: Département CP2S : Matériaux Carbonés |
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Journal of hazardous materials,
166:491-501
2009
Equipe: Département CP2S : Matériaux Carbonés |
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Microporous and mesoporous materials,
119:53-59
2009
Equipe: Département CP2S : Matériaux Carbonés |
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Applied Physics Letters,
95(23)
2009
Equipe: Centre de Compétences : MiNaLor micro et nanotechnologies |
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Physical Review B - Condensed Matter and Materials Physics,
80(22)
2009
Equipe: Département P2M : Nanomagnétisme et Electronique de Spin |
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Nuclear instruments & methods in physics research section B-beam interactions with materials and atoms,
267(16):2745-2747
2009
Equipe: Département CP2S : Matériaux à propriétés thermoélectriques |
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Physical Review B,
79:245405
2009
ISSN: 1098-0121
Equipe: Département CP2S : Métallurgie et Surfaces |
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Materials Chemistry and Physics,
114:780-784
2009
Equipe: Département CP2S : Elaboration et Fonctionnalité de Couches Minces |