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Extrusion limits of magnesium alloys

Atwell, Dale and Barnett, Matthew 2007, Extrusion limits of magnesium alloys, Metallurgical and Materials Transactions A-Physical Metallurgy and Materials Science, vol. 38, no. 12, pp. 3032-3041.

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Title Extrusion limits of magnesium alloys
Author(s) Atwell, Dale
Barnett, Matthew
Journal name Metallurgical and Materials Transactions A-Physical Metallurgy and Materials Science
Volume number 38
Issue number 12
Start page 3032
End page 3041
Publisher ASM International
Place of publication Materials Park, Oh.
Publication date 2007-12-12
ISSN 1073-5623
1543-1940
Summary Magnesium alloys are generally found to be slower to extrude than aluminum alloys; however, limited quantitative comparisons of the actual operating windows have been published. In this work, the extrusion limits are determined for a series of commercial magnesium alloys (M1, ZM21, AZ31, AZ61, and ZK60). These are compared with the limits established for aluminum alloy AA6063. The maximum extrusion speed of alloy M1 is shown to be similar to AA6063. Alloys ZM21, AZ31, ZK60, and AZ61 exhibit maximum extrusion speeds 44, 18, 4, and 3 pct, respectively, of the maximum measured for AA6063. For AZ31, the maximum extrusion speed is increased by 22 pct after homogenization and by 64 pct for repeat extrusions. The variation in the extrusion limits with changing alloy content is rationalized in terms of differences in the hot working flow stress and solidus temperature.
Notes Copyright 2007, ASM International. This paper was published in Metallurgical and Materials Transactions A-Physical Metallurgy and Materials Science, Vol. 38, Issue 12, pp. 3032-3041 and is made available as an electronic reprint with the permission of ASM International. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplications of any material in this paper for a fee or for commercial purposes, or modification of the content of this paper are prohibited.
Language eng
Field of Research 091207 Metals and Alloy Materials
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2007, ASM International
Persistent URL http://hdl.handle.net/10536/DRO/DU:30007596

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