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Simulation of metal powder die filling processes using smoothed particle hydrodynamics method
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Mechanics of Solid Materials.
2007 (English)In: Proceedings: PM in Toulouse - at the forefront of european technology; 15 - 17 October 2007, Pierre Baudis Congress Centre, Toulouse, France, Shrewsbury: European powder metallurgy association , 2007, Vol. 3 : Powder pressing : sintering ; full density & alternative consolidation ; modelling ; secondary & finishing operations, 311-316 p.Conference paper (Refereed)
Abstract [en]

The die filling is an important stage in the manufacturing process of powder metallurgical components as proceeding stages are influenced by the powder distribution achieved by the filling process. Numerical simulation is a powerful tool in process development and can be used to increase the knowledge about the filling behaviour. In this work smoothed particle hydrodynamics (SPH) method is used to simulate shoe filling of metal powder into simple and stepped dies. An elastic-plastic material model is used as constitutive model where the material parameters are estimated using results from filling rate experiments and loose powder shear tests. The powder flow behaviour and packing density is simulated and compared with experimental results. The results indicate that SPH simulations can capture major observed features of powder die filling.

Place, publisher, year, edition, pages
Shrewsbury: European powder metallurgy association , 2007. Vol. 3 : Powder pressing : sintering ; full density & alternative consolidation ; modelling ; secondary & finishing operations, 311-316 p.
Research subject
Solid Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-39686Local ID: e875a6f0-7d81-11dc-b50c-000ea68e967bISBN: 978-1-899072-31-6OAI: oai:DiVA.org:ltu-39686DiVA: diva2:1013203
Conference
EURO PM 2007 : 15/10/2007 - 17/10/2007
Note
Godkänd; 2007; 20071018 (gusgus)Available from: 2016-10-03 Created: 2016-10-03Bibliographically approved

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Gustafsson, GustafHäggblad, Hans-åke
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