Electrochemical formation of Mg-Lu alloy and alloy layer in molten LiCl-KCl

摘要

In the present work, the electrochemical behaviors of Lu (III) ions in molten LiCl-KCl and LiCl-KCl -MgCl2 were investigated by cyclic voltammetry, square wave voltammetry, and chronopotentiometry, respectively. Galvanostatic electrolysis was conducted on a molybdenum electrode to prepare the Mg-Lu alloys, while potentiostatic electrolysis was conducted on a magnesium electrode to prepare the Mg-Lu alloy layers. The microstructure and microzone analysis of the obtained deposits were characterized by XRD and SEM-EDS. An intermetallic compound of MgLu was formed by galvanostatic electrolysis, whereas two kinds of intermetallic compound (Mg24Lu5 and MgLu) and Lu metal in the alloy layer. (C) 2015 Elsevier B.V. All rights reserved.