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Comparison of different extrusion methods for compaction of powders

Molotnikov, Andrey, Lapovok, Rimma, Peng, Tao and Estrin, Yuri 2011, Comparison of different extrusion methods for compaction of powders, in SPD5 : Selected Peer Reviewed Papers from the 5th International Conference on Nanomaterials by Severe Plastic Deformation, Trans Tech Publications, Zurich, Switzerland, pp. 57-62, doi: 10.4028/www.scientific.net/MSF.667-669.57.

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Title Comparison of different extrusion methods for compaction of powders
Author(s) Molotnikov, Andrey
Lapovok, Rimma
Peng, Tao
Estrin, Yuri
Conference name Nanomaterials by Severe Plastic Deformation. International Conference (5th : 2011 : Nanjing, China)
Conference location Nanjing, China
Conference dates 21-25 Mar. 2011
Title of proceedings SPD5 : Selected Peer Reviewed Papers from the 5th International Conference on Nanomaterials by Severe Plastic Deformation
Editor(s) Wang, Jing Tao
Figueiredo, Roberto B.
Langdon, Terence G.
Publication date 2011
Series Materials Science Forum
Conference series International Conference on Nanomaterials by Severe Plastic Deformation
Start page 57
End page 62
Total pages 7
Publisher Trans Tech Publications
Place of publication Zurich, Switzerland
Keyword(s) powder compaction
finite element modelling
ECAP
extrusion
Summary Densification of metallic powders by means of extrusion is regarded as a very attractive processing technique that allows obtaining a high level of relative density of the compact. However, the uniformity of the relative density depends on that of strain distribution and on the processing parameters. Several variants of extrusion can be used for compaction of metal particulates, including the conventional extrusion (CE) and equal channel angular pressing (ECAP), often referred to as equal-channel angular extrusion. Each of these processes has certain advantages and drawbacks with respect to compaction. A comparative study of these two extrusion processes influencing the relative density of compacts has been conducted by numerical simulation using commercial finite element software DEFORM2D. The results have been validated by experiments with titanium and magnesium powders and chips.
ISBN 9783037850077
ISSN 0255-5476
Language eng
DOI 10.4028/www.scientific.net/MSF.667-669.57
Field of Research 091207 Metals and Alloy Materials
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category E1.1 Full written paper - refereed
ERA Research output type E Conference publication
Copyright notice ©2011, Trans Tech Publications
Persistent URL http://hdl.handle.net/10536/DRO/DU:30076004

Document type: Conference Paper
Collection: Institute for Frontier Materials
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