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Communication Dans Un Congrès Année : 1996

Self-consistent modelling of elastic-viscoplastic multiphase materials

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This paper is devoted to a self-consistent derivation of the overall behaviour of multiphase materials from those of the constituent phases when these phases obey rate-dependent elastic-plastic constitutive equations. We have already proposed a solution to this still unsolved problem in the case of quite simple constitutive equations. In this paper, the formulation is extended to more general ones, including internal parameters: such a description can be specified for the case of rate-dependent elastic-plastic polycrystals and the classically associated constitutive equations. It is shown that the merits of the proposed formulation are saved at the expense of limited complication. A simple application is given as an illustration of the tractability of the method.
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hal-00116414 , version 1 (15-11-2022)

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Pierre Navidi, Yves Rougier, André Zaoui. Self-consistent modelling of elastic-viscoplastic multiphase materials. IUTAM Symposium on Micromechanics of Plasticity and Damage of Multiphase Materials, Aug 1995, Sèvres, France. pp.123-130, ⟨10.1007/978-94-009-1756-9_16⟩. ⟨hal-00116414⟩
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