The oxidation performance for Zr-doped nickel aluminide coating by composite electrodepositing and pack cementation

被引：35
作者：
Zhou, Yuhua [1 ]
Zhao, Xiaofeng [1 ]
Zhao, Chunshan [1 ]
Hao, Wei [1 ]
Wang, Xin [1 ,3 ]
Xiao, Ping [2 ]
机构：
[1] Shanghai Jiao Tong Univ, Shanghai Key Lab High Temp Mat & Precis Forming, Shanghai 200240, Peoples R China
[2] Univ Manchester, Sch Mat, Mat Sci Ctr, Grosvenor St, Manchester M1 7HS, Lancs, England
[3] Konca Solar Cell Co Ltd, 168 Yanfeng Rd, Huishan Dist 214174, Wuxi, Peoples R China
来源：
CORROSION SCIENCE | 2017年 / 123卷
基金：
中国国家自然科学基金;
关键词：
Metal coatings; Thermal cycling; Electrodeposited films; Kinetic parameters; Interfaces; Oxidation; HIGH-TEMPERATURE OXIDATION; THERMAL BARRIER COATINGS; 1200; DEGREES-C; SUBSTRATE COMPOSITION; REACTIVE ELEMENTS; CYCLIC OXIDATION; THETA-ALUMINA; NIAL COATINGS; GROWN OXIDE; BOND COAT;
D O I：
10.1016/j.corsci.2017.04.008
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Ni-Zr composite coatings were prepared by composite electrodepositing with the Zr particle loadings from 0.1 g/L Zr to 0.7 g/L Zr. Then the Ni-Zr coatings were aluminized by the pack cementation and heat-treatment to obtain Zr-doped beta-NiAl coatings. The effects of Zr on the coating microstructure and oxidation performance were investigated. The spallation resistance for Zr-doped NiAl coatings was better than the coating without Zr. The coating of 0.5 g/L Zr loading exhibited the best spallation resistance duo to a lower growth rate of the oxide scale and the formation of a mechanically interlocking oxide pegs structure.
引用
收藏
页码：103 / 115
页数：13
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