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.
CitationRiera, M.; Prado, J. Modelling of the plasticity in cold compaction of metal powders. A: International Conference on Advances in Materials and Processing Technologies. "Proceedings of the International Conference on Advanced Materials Processing Tehnologies : New Developments on Metals : AMPT'01 : 18-21 September, 2001, Leganés, España". LEGANÉS: Universidad Carlos III de Madrid (UC3M), 2001, p. 939-946.
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