Constitutive behaviour of metal powder d
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Christian Geindreau; Didier Bouvard; Pierre Doremus
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Article
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1999
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Elsevier Science
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English
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Constitutive equations used for the finite element simulation of hot isostatic pressing should describe both plastic and viscous strains. For this purpose the unified viscoplastic theory, which has originally been developed for dense metals, has been extended to porous materials. Classical Abouaf's