Preparation of diboride coatings by electrophoretic deposition in nanoparticle-containing molten inorganic salts

Weiliang Jin, Saijun Xiao, Qian Kou, Desheng Ding, Jun Zhang, Xiaohong Fang, Chuntao Ge, Cong Zhong, Hongmin Zhu, Geir Martin Haarberg

研究成果: Article査読

抄録

Electrophoretic deposition is a type of significant method for preparing coatings and films, which has been widely investigated in aqueous and organic suspensions. However, electrophoretic deposition in molten inorganic salts containing nanoparticles, have not been reported in the literature. Here we report the possibility of electrophoretic deposition of nanoparticles in molten inorganic salts. In two types of molten systems (fluorides (980 °C) and chlorides (710 °C)), the electrophoretic deposition of diboride nanoparticles (e.g., TiB2 and ZrB2) on different cathode substrates under cell voltages of 1.2–1.5 V (below the decomposition voltage of the electrolytes), has been successfully demonstrated, resulting in a compact TiB2 coating with hardness of 43.7 ± 2.8 GPa and a ZrB2 coating with a nanocrystal structure. Besides diboride nanoparticles, this proposed process should be applicable for a wider range of nanoparticles to produce more types of coatings and films.

本文言語English
論文番号130908
ジャーナルMaterials Letters
306
DOI
出版ステータスPublished - 2022 1 1

ASJC Scopus subject areas

  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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