Nuclear Science and Techniques

《核技术》(英文版) ISSN 1001-8042 CN 31-1559/TL     2019 Impact factor 1.556

Nuclear Science and Techniques ›› 2020, Vol. 31 ›› Issue (5): 43 doi: 10.1007/s41365-020-00754-1


Electroplating titanium film on 316L stainless steel in LiCl-KCl-Tix+ (2<x<3) molten salts

Jun-Xia Liu 1, 2, Jing-Chun Liu2, 3, De-Wu Long 2, 4, Ke Zhan1   

  1. 1School of Material Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
    2Department of Molten Salt Chemistry and Engineering, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
    3University of Chinese Academy of Sciences, Beijing 100049, China
    4Key Laboratory of Interfacial Physics and Technology, Chinese Academy of Sciences, Shanghai 201800, China
  • Received:2019-12-24 Revised:2020-02-22 Accepted:2020-02-23
  • Contact: Du-Wu Long
  • Supported by:
    This work was supported by the “Strategic Priority Research Program’’ Chinese Academy of Sciences (No. XDA02020000), Transformational Technologies for Clean Energy and Demonstration (No. XD21081200), and K.C.Wong Education Foundation (No. GJTD-2018-10)
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Jun-Xia Liu, Jing-Chun Liu, De-Wu Long, Ke Zhan. Electroplating titanium film on 316L stainless steel in LiCl-KCl-Tix+ (2<x<3) molten salts.Nuclear Science and Techniques, 2020, 31(5): 43     doi: 10.1007/s41365-020-00754-1

Abstract: To improve the anti-corrosion properties of 316L stainless steel, titanium (Ti) metal films were electroplated on it using LiCl-KCl molten salts as the electrolyte, and low valence Tix+ (2<x<3) as the solute. The solute was produced by the reaction of Ti4+ and Ti0 via mixing K2TiF6, and Ti metal (sponge Ti) in the melts. Anti-corrosion test has shown significant enhancement in the stability of the Ti-coated 316L due to the presence of Ti film. However, the anti-corrosion properties did not enhance with an increase in the thickness of the Ti layers owing to a possible defect in the thicker Ti layers.

Key words: Molten salts, Electro-plating, Ti coating, Anti-corrosion