Corrosion resistance of Pb-Sn composite coatings reinforced by carbon nanotubes

被引：20
作者：
Hu, Zhengxi [1 ,2 ]
Jie, Xiaohua [1 ]
Lu, Guohui [1 ]
机构：
[1] Guangdong Univ Technol, Fac Mat & Energy, Guangzhou 510006, Guangdong, Peoples R China
[2] Hezhou Univ, Dept Phys & Electro, Hezhou 542800, Peoples R China
来源：
JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH | 2010年 / 7卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Composite coating; Carbon nanotube; Corrosion resistance; Electrodeposition; EIS; TRIBOLOGICAL PROPERTIES; BEHAVIOR; NANOCOMPOSITES; WEAR; ELECTRODEPOSITION; MICROSTRUCTURE; STRENGTH; FRICTION;
D O I：
10.1007/s11998-010-9269-y
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Carbon nanotubes/Pb-Sn composite coatings were prepared by electrodeposition technology. The polarization curves and electrochemical impedance of the Pb-Sn coatings and carbon nanotube/Pb-Sn composite coatings were studied in 3.0 wt% HCl, 10 wt% NaOH, and 3.5 wt% NaCl electrolyte solutions, respectively. The results show that the corrosion potential of carbon nanotubes/Pb-Sn composite coatings were improved in the three kinds of corrosive medium, especially in 3.5 wt% NaCl electrolyte solution, where it increased significantly from -0.592 V (vs SCE) to -0.535 V (vs SCE). In addition, composite coatings have higher electrochemical impedance. Carbon nanotubes can improve the corrosion resistance of lead-tin electroplated coatings.
引用
收藏
页码：809 / 814
页数：6
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