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Deformation modes and anisotropy in magnesium alloy AZ31

Hutchinson, Bevis, Barnett, Matthew R., Ghaderi, Alireza, Cizek, Pavel and Sabirov, Ilchat 2009, Deformation modes and anisotropy in magnesium alloy AZ31, International journal of materials research, vol. 100, no. 4, pp. 556-563.

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Title Deformation modes and anisotropy in magnesium alloy AZ31
Author(s) Hutchinson, Bevis
Barnett, Matthew R.
Ghaderi, Alireza
Cizek, Pavel
Sabirov, Ilchat
Journal name International journal of materials research
Volume number 100
Issue number 4
Start page 556
End page 563
Publisher Carl Hanser Verlag GmbH
Place of publication Munich, Germany
Publication date 2009
ISSN 1862-5282
Keyword(s) magnesium
texture
anisotropy
slip systems
grain boundary sliding
Summary A strongly textured sheet of magnesium alloy AZ31 has been subjected to tensile testing at temperatures between ambient and 300°C. Structures have been examined by optical and transmission electron microscopy and also by atomic force microscopy to quantify surface displacements seen at grain boundaries. Plastic anisotropy varies strongly with test temperature as was observed previously by Agnew and Duygulu. The present findings do not support the view that crystallographic <c + a> becomes a major contributor to deformation at higher temperatures. Rather, the material behaviour reflects an increasing contribution from grain boundary sliding despite the relatively high strain rate (I 0-3 s-1) used in the mechanical tests.
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Language eng
Field of Research 091207 Metals and Alloy Materials
Socio Economic Objective 861199 Basic Metal Products (incl. Smelting, Rolling, Drawing and Extruding) not elsewhere classified
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2009, Carl Hanser Verlag GmbH
Persistent URL http://hdl.handle.net/10536/DRO/DU:30028403

Document type: Journal Article
Collections: Centre for Material and Fibre Innovation
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Created: Tue, 20 Apr 2010, 12:14:45 EST by Sandra Dunoon