Electrochemical synthesis of nanodimensional powders of neodymium and praseodymium hexaborides and ternary compounds based on neodymium (praseodymium), boron, and metals of the iron triad from chloride-fluoride melts

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• 作者：Kh. B. Kushkhov ; S. I. Chuksin ; Z. A. Zhanikaeva
• 关键词：molten chlorides ; neodymium ; praseodymium ; electrochemical synthesis ; neodymium and praseodymium borides ; nanodispersed powders ; Nd ; Fe ; B ternary compounds
• 刊名：Russian Journal of Non-Ferrous Metals
• 出版年：2015
• 出版时间：May 2015
• 年：2015
• 卷：56
• 期：3
• 页码：293-299
• 全文大小：649 KB
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• 作者单位：Kh. B. Kushkhov (1)
  S. I. Chuksin (1)
  Z. A. Zhanikaeva (1)
  
  1. Kabardino-Balkar State University, ul. Chernyshevskogo 173, Nal鈥檆hik, 360004, Russia
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Metallic Materials
  Russian Library of Science
  
• 出版者：Allerton Press, Inc. distributed exclusively by Springer Science+Business Media LLC
• ISSN：1934-970X

文摘

A process of electrochemical synthesis of nanodimensional powders of neodymium (praseodymium) hexaborides and Pr(Nd) x -Fe(Ni, Co) y -B z ternary compounds from chloride-fluoride melts is developed. The composition of the fabricated powders is investigated by X-ray phase analysis, and particle sizes are determined using laser diffraction analysis. The dependence of the phase composition of the powders on the temperature, component ratio, current density, and electrolysis potential is established. Optimal conditions of the fabrication process of nanodimensional powders of neodymium and praseodymium borides and Nd11Fe4B4 ternary compound are found.