The origin of "Rare Earth" texture development in extruded Mg-based alloys and its effect on tensile ductility

Stanford, N. and Barnett, M. 2008, The origin of "Rare Earth" texture development in extruded Mg-based alloys and its effect on tensile ductility, Materials science and engineering A: structural materials: properties, microstructures and processing, vol. 496, no. 1-2, pp. 399-408.

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Title The origin of "Rare Earth" texture development in extruded Mg-based alloys and its effect on tensile ductility
Author(s) Stanford, N.
Barnett, M.
Journal name Materials science and engineering A: structural materials: properties, microstructures and processing
Volume number 496
Issue number 1-2
Start page 399
End page 408
Total pages 10
Publisher Elsevier
Place of publication Lausanne, Switzerland
Publication date 2008-11-25
ISSN 0921-5093
1873-4936
Keyword(s) magnesium
twinning
texture
ductility
rare earth elements
Summary The extrusion behaviour, texture and tensile ductility of five binary Mg-based alloys have been examined and compared to pure Mg. The five alloying additions examined were Al, Sn, Ca, La and Gd. When these alloys are compared at equivalent grain size, the La- and Gd-containing alloys show the best ductilities. This has been attributed to a weaker extrusion texture. These two alloying additions, La and Gd, were found to also produce a new texture peak with View the MathML source parallel to the extrusion direction. This “rare earth texture” component was found to be suppressed at high extrusion temperatures. It is proposed that the View the MathML source texture component arises from oriented nucleation at shear bands.
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
HERDC collection year 2008
Related work DU:30036740
Copyright notice ©2008, Elsevier B.V.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30017195

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