An Electrochemical Method for the Preparation of Al-Mg Master Alloys from MgO

Abstract:

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The electrochemical formation of Al-Mg master alloys were investigated in NaCl-MgF2-MgO melt at 850°C. The results revealed that cell voltage was nearly constant during electrolysis process, Mg content in Al-Mg master alloys increased with increasing of electrolysis time when Mg content was less 7.03mass%, Mg content in Al-Mg master alloys can be up to 7.03mass% for 4h electrolysis. The results of XRD indicated that phase structure of the Al-7.03Mg mass% alloy existed single phase α-Al, MgCl2 and NaMgF3 in electrolyte were observed after electrolysis. And the formation mechanism of Al-Mg master alloy was discussed as well.

Info:

Periodical:

Edited by:

Yafang Han, Tianmin Wang and Shaoxiong Zhou

Pages:

260-264

DOI:

10.4028/www.scientific.net/MSF.650.260

Citation:

D. L. Cao et al., "An Electrochemical Method for the Preparation of Al-Mg Master Alloys from MgO", Materials Science Forum, Vol. 650, pp. 260-264, 2010

Online since:

May 2010

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$35.00

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