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Numrering	Referens	Omslagsbild	Hitta
1.	Cedergren, Joakim, et al. (författare) Numerical investigation of powder compaction of gear wheels 2003 Ingår i: International Journal of Solids and Structures. - 0020-7683. ; 40:19, s. 4989-5000 Tidskriftsartikel (refereegranskat)abstract A method to judge the porosity distribution within complex powder compacted 3D structures using a dynamic 3D dilatant finite strain finite element program is presented. The method is demonstrated for a gear wheel, using a combined FKM Gurson model with parameters calibrated from experiments to model a ferrous powder. Compaction is pursued until a final average porosity of 3% in the gear. The method is shown successful in judging the influence on local as well as average properties from change in geometrical parameters and compaction speed. (C) 2003 Elsevier Ltd. All rights reserved.

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