Micromorphology and texture of niobium coating electrodeposited in NaCl-KCl-CsCl molten salt system

被引：10

作者：

Hu, Shuang-peng ^{[1
]}

Bai, Shu-xin ^{[1
]}

Zhu, Li-an ^{[1
]}

Ye, Yi-cong ^{[1
]}

Wang, Zhen ^{[1
]}

Li, Shun ^{[1
]}

Tang, Yu ^{[1
]}

机构：

[1] Natl Univ Def Technol, Coll Aerosp Sci & Engn, Changsha 410073, Peoples R China

来源：

TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA | 2022年 / 32卷 / 11期

关键词：

niobium coating; chloride molten salt; electrodeposition; micromorphology; texture; REFRACTORY-METALS; COHERENT DEPOSITS; GROWTH; FILMS; TUNGSTEN;

D O I：

10.1016/S1003-6326(22)66046-1

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

A low-toxicity and environment-friendly NaCl-KCl-CsCl-K(2)NbF7 system was used to prepare Nb coatings on Mo substrates. The effects of temperature, current density and electrodeposition time on the micromorphologies and textures of the electrodeposited Nb coatings were studied. The results showed that Nb coatings obtained at 30-70 mA/cm(2) in the temperature range of 700-750 degrees C were continuous and compact, with a hardness range of 2.16-2.45 GPa. As the columnar crystals grew with time, the preferential growth orientations of the Nb coatings changed from.200. to.211. and then became disordered. With increasing polarization, the morphologies of the Nb coatings changed from hexagonal star-like surface to conical or pyramid-like surface.

引用

页码：3650 / 3662

页数：13

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