Texture changes during uniaxial compression of Mg-3AI-1Zn

Backx, Petra, Barnett, Matthew and Kestens, Leo 2004, Texture changes during uniaxial compression of Mg-3AI-1Zn, Materials science forum, vol. 467-470, pp. 429-434.

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Title Texture changes during uniaxial compression of Mg-3AI-1Zn
Author(s) Backx, Petra
Barnett, Matthew
Kestens, Leo
Journal name Materials science forum
Volume number 467-470
Start page 429
End page 434
Publisher Trans Tech Publications Ltd.
Place of publication Aedermannsdorf, Switzerland
Publication date 2004
ISSN 0255-5476
Keyword(s) magnesium
uniaxial compression
texture
EBSD
Summary The mechanical anisotropy of wrought Mg alloys is very high. For example the yield stress of extruded Mg-3Al-1Zn tested in tension can be as high as twice that obtained in compression [1]. To solve the problems this creates for product design it is necessary to understand the sensitivity of texture to processing parameters. Uniaxial compression tests at different temperatures were performed on cylindrical samples of an extruded Mg-3Al-1Zn bar. The texture
during this deformation changes from a situation where all crystal c-axes are nearly perpendicular to the sample axis to one where the c-axes are all nearly parallel to this axis. Compression was stopped at different strains to examine the rate of this texture change. Textures were examined using EBSD measurements. It was found that different mechanisms operate depending on the temperature of deformation and that a variety of textures can be created. Also it was seen that an annealing treatment performed after compression has an influence on the texture. Afterwards the samples were subjected to another uniaxial compression test to examine the influence of texture on room temperature properties.
Language eng
Field of Research 091207 Metals and Alloy Materials
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2004, Trans Tech Publications
Persistent URL http://hdl.handle.net/10536/DRO/DU:30008747

Document type: Journal Article
Collection: Centre for Material and Fibre Innovation
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