Study on electrochemical preparation of Al-Li-Y alloys from Y2O3 in LiCl-KCl-AlCl3 molten salts

被引：19
|
作者：
Li Yaming [1 ]
Wang Fengli [1 ]
Zhang Milin [1 ]
Han Wei [1 ]
Tian Yang [1 ]
机构：
[1] Harbin Engn Univ, Key Lab Superlight Mat & Surface Technol, Minist Educ, Coll Mat Sci & Chem Engn, Harbin 150001, Peoples R China
来源：
JOURNAL OF RARE EARTHS | 2011年 / 29卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Al-Li-Y alloys; molten salts; electrochemical deposition; rare earth oxides; CODEPOSITION METHOD; SYSTEM; CO; SM; FILMS;
D O I：
10.1016/S1002-0721(10)60464-4
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The electrochemical preparaton of Al-Li-Y alloys from LiCI-KCl-AlCl3-Y2O3 system was studied. The chlorination of Y2O3 by AlCl3 led to the formation of Y (III) ions in the molten salts. Cyclic voltammogram (CV) showed that the underpotential deposition (UPD) of yttrium on pre-deposited aluminum caused the formation of Al-Y alloy. Al-Li-Y alloys with different yttrium contents were obtained by galvanostatic electrolysis and analysed by SEM-EDS and ICP. The ICP results showed that the lithium and yttrium contents in Al-Li-Y alloys depended on the addition of AlCl3 into the melts.
引用
收藏
页码：378 / 382
页数：5
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