Corrosion resistance of three-layer superhydrophobic composite coating on carbon steel in seawater

被引：115
作者：
Yu, Dongyun [1 ]
Tian, Jintao [1 ]
Dai, Jinhui [1 ]
Wang, Xin [1 ]
机构：
[1] Ocean Univ China, Inst Mat Sci & Engn, Qingdao 266100, Shandong Provin, Peoples R China
来源：
ELECTROCHIMICA ACTA | 2013年 / 97卷
关键词：
Corrosion resistance; Carbon steel; Superhydrophobic; Seawater; SURFACE; DEPOSITION; PROTECTION; ALUMINUM; FILMS; FABRICATION; MAGNESIUM; COPPER;
D O I：
10.1016/j.electacta.2013.03.071
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The corrosion resistance of the three-layer superhydrophobic composite coating on carbon steel in sterilized seawater is investigated using electrochemical and contact angle measurements. The composite coating consists of Ni-P, TiO2/ZnO and octadecyltrimethoxysilane (ODS) molecules. The corrosion resistance of the composite coating is estimated by electrochemical impedance spectroscopy (EIS) and polarization curves. The results show that forming a bi-layer or three-layer composite coating on carbon steel considerably improves the corrosion resistant in sterilized seawater. The corrosion mechanism of the composite coating on carbon steel is proposed through the equivalent circuit. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：409 / 419
页数：11
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