NaCl-induced hot-corrosion behavior and mechanism of TiSiCN/Ag nanocomposite coatings by arc ion plating

被引：10
作者：
Du, Dali [1 ,3 ]
Gao, Zhenrong [3 ]
Cao, Zhen [2 ,3 ]
Li, Jinlong [2 ,3 ]
Guo, Wuming [2 ,3 ]
Liu, Wenhong [1 ,3 ]
机构：
[1] Ningbo Univ, Sch Mat Sci & Chem Engn, Ningbo 315211, Zhejiang, Peoples R China
[2] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China
[3] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Key Lab Marine Mat & Related Technol, Zhejiang Key Lab Marine Mat & Protect Technol, Ningbo 315201, Peoples R China
来源：
CORROSION SCIENCE | 2023年 / 222卷
关键词：
TiSiCN; Ag nanocomposite coating; NaCl; Hot corrosion; Mechanism; MICROSTRUCTURE EVOLUTION; MULTILAYER COATINGS; TITANIUM; PERFORMANCE; RESISTANCE; FILMS; TIN; DEPOSIT; ALLOYS;
D O I：
10.1016/j.corsci.2023.111406
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
TiSiCN/Ag nanocomposite coatings were deposited on the surface of titanium alloys by multi-arc ion plating. Under thermal-salt coupling, the coatings' hot corrosion behavior was studied. The corrosion resistance of titanium alloys can be greatly enhanced by the TiSiCN/Ag nanocomposite coatings. The reason is that the introduction of Ag can prevent the growth of columnar crystals and obtain a dense nanocomposite coating, thus reducing the invasion channels of Cl- and O2. Secondly, Ag can efficiently bind Cl- and prevent its diffusion, protecting the coating and titanium substrate from Cl- damage.
引用
收藏
页数：10
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