An Electrochemical Method for the Preparation of Al-Mg Master Alloys from MgO |
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| Journal | Materials Science Forum (Volume 650) |
|---|---|
| Volume | Energy and Environment Materials |
| Edited by | Yafang Han, Tianmin Wang and Shaoxiong Zhou |
| Pages | 260-264 |
| DOI | 10.4028/www.scientific.net/MSF.650.260 |
| Citation | Da Li Cao et al., 2010, Materials Science Forum, 650, 260 |
| Online since | May, 2010 |
| Authors | Da Li Cao, Ji Kun Wang, Si Chen Guo, Qin Hong Fang, Zhong Ning Shi |
| Keywords | Al-Mg Alloy, Electrolysis, Master Alloy, MgO |
| Abstract | The electrochemical formation of Al-Mg master alloys were investigated in NaCl-MgF2-MgO melt at 850℃. 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. |
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