Corrosion resistance of Ti-based metallic glass coating in concentrated nitric acid

被引：20

作者：

Li, Congbo ^{[1
]}

Chen, Weiwei ^{[1
]}

Jiang, Qisheng ^{[1
]}

Wang, Lu ^{[1
]}

Luo, Dawei ^{[2
]}

机构：

[1] Beijing Inst Technol, Dept Mat Sci & Engn, Beijing 100081, Peoples R China

[2] Shenzhen Polytech, Sch Appl Chem & Biotechnol, Shenzhen 518055, Peoples R China

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2014年 / 143卷 / 03期

关键词：

Amorphous materials; Coatings; Corrosion; Raman spectroscopy and scattering; BEHAVIOR; DIOXIDE; ALLOYS;

D O I：

10.1016/j.matchemphys.2013.11.061

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper investigated the corrosion resistance of a Ti-based metallic glass coating in concentrated HNO3 solution, and discovered the coating's superior corrosion resistance compared with 304 L substrate. The coating exhibited a fully amorphous and pore-free structure with the thickness of similar to 380 mu m. A relatively uniform and thick passivation film was formed on the surface of the coating as an oxygen diffusion barrier, leading to the much improved corrosion resistance. The Raman spectrum evidenced that the passivation film was mainly TiO2 with a mixed structure of anatase and rutile. We believe that the present findings will open up a new horizon for coatings in spent nuclear fuel reprocessing applications. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：900 / 903

页数：4

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