Some issues relating to the ductility of wrought magnesium alloys

Barnett, M. R., Arhatari, B., Stanford, N., Beer, A. G., Keshavarz, Z. and Ma, X. 2008, Some issues relating to the ductility of wrought magnesium alloys, in TMS 2008: Linking Science and Technology for Global Solutions : TMS 2008 Annual Meeting and Exhibition, Minerals, Metals and Materials Society, Warrendale, Pa., pp. 85-88.

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Title Some issues relating to the ductility of wrought magnesium alloys
Author(s) Barnett, M. R.
Arhatari, B.
Stanford, N.
Beer, A. G.
Keshavarz, Z.
Ma, X.
Conference name Magnesium Technology Symposium (2008 : New Orleans, Louisiana)
Conference location New Orleans, Louisiana
Conference dates March 9-13 2008
Title of proceedings TMS 2008: Linking Science and Technology for Global Solutions : TMS 2008 Annual Meeting and Exhibition
Editor(s) Pekguleryuz, Mihriban O.
Neelameggham, Neale R.
Beals, Randy S.
Nyberg, Eric A
Publication date 2008
Conference series Magnesium Technology Symposium
Start page 85
End page 88
Total pages 4
Publisher Minerals, Metals and Materials Society
Place of publication Warrendale, Pa.
Keyword(s) Magnesium
Ductility
Twinning
Shear bands
Texture
Schmid factor
Summary The present work is concerned with gaining a better understanding of the factors that control the ductility of wrought magnesium alloys. The ultimate aim is to develop alloys with vastly improved room temperature formability. It is shown that 3D tomography of fractured tensile specimens reveals disk shaped voids aligned more or less at 45 deg. to the tensile axis. These voids are consistent with twin induced void formation. It is also shown that the double twins that produce such voids form in contradiction to Schmid predictions. Finally, it is demonstrated that low levels of rare-earth additions leads to vastly improved texture and ductility in extrusions, as they do in rolled sheet.
ISBN 9780873397117
Language eng
Field of Research 091207 Metals and Alloy Materials
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category E1 Full written paper - refereed
ERA Research output type E Conference publication
HERDC collection year 2008
Copyright notice ©2008, TMS
Persistent URL http://hdl.handle.net/10536/DRO/DU:30018361

Document type: Conference Paper
Collection: Centre for Material and Fibre Innovation
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