Electrochemical Preparation of Mg-Li-Al-Er Alloys by Co-reduction in Molten Chloride

查看全文 作　　者：Yi [1]SUN;Milin [1]ZHANG;Wei [1]HAN;Mei [1]LI;Yusheng [1]YANG;Yongde [1]YAN;Meng [1]ZHANG

机构地区：[1]Key Laboratory of Superlight Materials and Surface Technology,Ministry of Education,College of Materials Science and Chemical Engineering,Harbin Engineering University

出　　处：《Acta Metallurgica Sinica(English Letters)》索引2013年第26卷第4期,共6页

基　　金：financially supported by High Technology Research and Development Program of China(No.2011AA03A409);the National Natural Science Foundation of China(Nos.21173060 and 21271054);the Major Research Plan of the National Natural Science Foundation of China(No.91226201);the Fundamental Research Funds for the Central Universities(No.HEUCF201310012) 摘　　要：The electrochemical behavior of Mg,Li,Al and Er were investigated by electrochemical techniques in LiClKCl-MgCl2-AlCl3-ErCl3 melts at 823 K.The cyclic voltammetry and chronopotentiometry indicated that the co-reduction of Mg,Li,Al and Er occurs at current densities more negative than-0.89 A.cm-2.Er(III) under-potential deposited on pre-reduced Al electrode formed Al-RE alloys.X-ray diffraction(XRD) results indicated that Mg17Al12,Al2Er,Al2Er3 and Al4Li9 phases were prepared by galvanostatic electrolysis.ICP analyses of samples showed that lithium and aluminum contents of Mg-Li-Al-Er alloys could be controlled by concentration of AlCl3 and cathodic current density. 关键词：镁锂合金氯化锂电化学制备熔融 X-射线衍射阴极电流密度电化学技术电化学行为

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Electrochemical Preparation of Mg-Li-Al-Er Alloys by Co-reduction in Molten Chloride

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