Paper Title:
Preparation of Magnesium-Rare Earth Master Alloy Using Electrowinning Method with Subsidence Cathode
  Abstract

A new series of magnesium-rare earth master alloys have been developed by the electrowinning method with subsidence cathode in the KCl•NaCl-RECl3 system. The electrolysis conditions were studied. Experimental results showed that the optimum for electrolyte at 850oC and 10~20wt% RECl3 content in the molten salt system. The current efficiency of electrolyte increased with increasing the rare earth content and reach the maximum at the content of 20% RECl3. The current efficiency gradually decreased with increasing cathode current density. The component of master-alloys was analyzed using ICP-MS and chemical method. A series of magnesium-rare earth master-alloy, Mg-Y, Mg-Nd, Mg-Ce, Mg-La, Mg-Nd-rich and Mg-LPC were successfully prepared and the content of rare earth is adjustable between 5 – 20%.

  Info
Periodical
Materials Science Forum (Volumes 488-489)
Edited by
W.Ke, E.H.Han, Y.F.Han, K.Kainer and A.A.Luo
Pages
235-238
DOI
10.4028/www.scientific.net/MSF.488-489.235
Citation
D.P. Zhang, D.Q. Fang, J. Wang, D.X. Tang, H.Y. Lu, L.S. Zhao, J. Meng, "Preparation of Magnesium-Rare Earth Master Alloy Using Electrowinning Method with Subsidence Cathode", Materials Science Forum, Vols. 488-489, pp. 235-238, 2005
Online since
July 2005
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