ELECTROCHEMICAL DEPOSITION OF La-Mg ALLOYS IN LaCl3-MgCl2-KCl SYSTEM WITH MOLTEN SALT ELECTROLYSIS PROCESS

被引：9
|
作者：
Sahoo, D. K. [1 ]
Singh, H. [1 ]
Krishnamurthy, N. [2 ]
机构：
[1] Bhabha Atom Res Ctr, Rare Earths Dev Sect, Bombay 400085, Maharashtra, India
[2] Bhabha Atom Res Ctr, Fus Reactor Mat Sect, Bombay 400085, Maharashtra, India
来源：
JOURNAL OF MINING AND METALLURGY SECTION B-METALLURGY | 2014年 / 50卷 / 02期
关键词：
Fused salt electrolysis; La-Mg alloys; HYDROGEN; LANTHANUM; BEHAVIOR; CERIUM;
D O I：
10.2298/JMMB130214013K
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
La-Mg alloys of different compositions were prepared by electrolysis of LaCl3-MgCl2-KCl melts. Different phases of La-Mg alloys were characterized by X-ray diffraction (XRD) and Scanning Electron Microscopy (SEM). Energy dispersive spectrometry (EDS) and Inductively Coupled Plasma-Atomic Emission Spectroscopy (1CP-AES) analyses showed that chemical compositions of La-Mg alloys were consistent with phase structures of XRD pattern, and magnesium content in the alloy could be controlled by electrolysis parameters. The effects of various process parameters such as concentration of magnesium chloride in the bath, temperature of electrolysis and cathode current density on the current efficiency have been investigated. A maximum current efficiency of 85% and yield of 80% was obtained from the bath at 12.5A/cm(2) current density at an operating temp 850 degrees C.
引用
收藏
页码：109 / 114
页数：6
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