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Deformation field variations in equal channel angular extrusion due to back pressure

Hasani, Arman, Lapovok, Rimma, Tóth, Laszlo S. and Molinari, Alain 2008, Deformation field variations in equal channel angular extrusion due to back pressure, Scripta materialia, vol. 58, no. 9, pp. 771-774, doi: 10.1016/j.scriptamat.2007.12.018.

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Title Deformation field variations in equal channel angular extrusion due to back pressure
Author(s) Hasani, Arman
Lapovok, Rimma
Tóth, Laszlo S.
Molinari, Alain
Journal name Scripta materialia
Volume number 58
Issue number 9
Start page 771
End page 774
Total pages 4
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2008-05
ISSN 1359-6462
Summary Flow lines were analysed in aluminium alloy 6061 during equal channel angular extrusion (ECAE) in a 90° die with and without the application of back pressure during pressing. The lines appeared much more rounded when a back pressure was applied compared to the case of conventional ECAE testing. With the help of an analytic flow function, the deformation field was obtained. It is shown that back pressure slightly lowers the total strain, strongly increases the size of the plastic zone and significantly reduces the plastic strain rate.
Language eng
DOI 10.1016/j.scriptamat.2007.12.018
Field of Research 091207 Metals and Alloy Materials
0912 Materials Engineering
0913 Mechanical Engineering
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2008, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30075999

Document type: Journal Article
Collection: Institute for Frontier Materials
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