Modelización y simulación de la etapa de compactación en PM

M. D. Riera; J. M. Prado

doi:10.3989/revmetalm.2006.v42.i6.43

Authors

M. D. Riera Departamento de Ciencia de los Materiales e Ingeniería Metalúrgica, Universidad Politécnica de Cataluña
J. M. Prado Departamento de Ciencia de los Materiales e Ingeniería Metalúrgica, Universidad Politécnica de Cataluña

DOI:

https://doi.org/10.3989/revmetalm.2006.v42.i6.43

Keywords:

Plasticity, Granular materials, Compaction of metal powders, Modelling

Abstract

Powder metallurgical industry is very interested in spreading its applications and improve the quality of the PM products. Therefore, a detailed knowledge of their processes, in order to
control them, is necessary. Many different types of models have been used to represent the mechanical behaviour of these materials; however, nowadays, most of the groups working in this field admit that metallic powders and green compacts have to be considered as granular materials. Plasticity models specially defined for geological materials are being applied on metallic aggregates. Nevertheless, none of the known ones can represent adequately their mechanical behaviour, specially in states of failure.

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