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Numerical investigation of powder compaction of gear wheels

På svenska

Author

Summary, in English

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.

Department/s

Publishing year

2003

Language

English

Pages

4989-5000

Publication/Series

International Journal of Solids and Structures

Volume

40

Issue

19

Document type

Journal article

Publisher

Elsevier

Topic

  • Applied Mechanics

Keywords

  • finite
  • dynamics
  • elements
  • friction
  • powder compaction
  • gear wheel
  • porous material

Status

Published

ISBN/ISSN/Other

  • ISSN: 0020-7683