Production of high purity Mg-X rare earth binary alloys using Zr

Prasad, Arvind, Uggowitzer, Peter J., Shi, Zhiming and Atrens, Andrej (2013). Production of high purity Mg-X rare earth binary alloys using Zr. In: Ian Stone, Brian McKay and Zhongyun Fan, Light Metals Technology 2013. LMT 2013: 6th International Light Metals Technology Conference, Old Windsor, UK, (301-305). 24-26 July, 2013. doi:10.4028/www.scientific.net/MSF.765.301

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Author Prasad, Arvind
Uggowitzer, Peter J.
Shi, Zhiming
Atrens, Andrej
Title of paper Production of high purity Mg-X rare earth binary alloys using Zr
Conference name LMT 2013: 6th International Light Metals Technology Conference
Conference location Old Windsor, UK
Conference dates 24-26 July, 2013
Proceedings title Light Metals Technology 2013   Check publisher's open access policy
Journal name Materials Science Forum   Check publisher's open access policy
Place of Publication Stafa-Zurich, Switzerland
Publisher Trans Tech Publications
Publication Year 2013
Sub-type Fully published paper
DOI 10.4028/www.scientific.net/MSF.765.301
ISBN 9783037857663
9783038261476
9783037955017
ISSN 0255-5476
1662-9752
Editor Ian Stone
Brian McKay
Zhongyun Fan
Volume 765
Start page 301
End page 305
Total pages 5
Chapter number 2
Language eng
Formatted Abstract/Summary
An Fe content lower than the tolerance limit is critical in controlling corrosion rates of Mg alloys. The possibility of reducing Fe below the tolerance in Mg melts was studied using Zr as a precipitating agent. The experiments were carried out on Mg-X binary alloys with rare-earths, X = Y, Ce, Gd, Nd, and La. The laboratory scale results show that Zr is effective in reducing the Fe content from the Mg melt for Mg-X binary alloys. Purification occurs by the precipitation from the melt of Fe rich precipitates, and the settling of the precipitates to the bottom of the melt. Any desired Fe content down to one wt ppm can in principle be achieved by appropriate melt treatment. The experimental results are discussed with respect to calculated phase diagrams.
Keyword Mg alloys
Corrosion
Fe
Zr
Precipitation
Mg alloy
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

 
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Created: Tue, 29 Oct 2013, 20:30:46 EST by Katie Gollschewski on behalf of School of Mechanical and Mining Engineering