Corrosion Inhibition Effect of Mg-Al-pAB-LDH Coating for Steel in the Marine Environment

被引:0
|
作者
Tian, Yuwan [1 ,2 ]
Wang, Nanchuan [1 ,2 ]
Wen, Cheng [1 ,2 ]
Lou, Gongqi [1 ,2 ]
Zhong, Bisheng [1 ,2 ]
机构
[1] Guangdong Ocean Univ, Guangdong Prov Ocean Equipment & Mfg Engn Technol, Zhanjiang 524088, Peoples R China
[2] Guangdong Ocean Univ, Sch Mech Engn, Zhanjiang 524088, Peoples R China
关键词
LDH; film; steel; corrosion; chloride; RESISTANCE;
D O I
10.3390/coatings14101307
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In this study, the surface of steel was coated with a Mg-Al-pAB-LDH coating in order to enhance its corrosion resistance in the marine environment. The crystal structure, micro-morphology, and chemical composition of the Mg-Al-pAB-LDH coating were characterised using physicochemical techniques. The corrosion protection performance in a simulated marine environment was evaluated through electrochemical methods. The results indicate that the Mg-Al-pAB-LDH coating effectively adsorbs chloride ions from the environment, thereby increasing the corrosion potential of the steel in chloride environments and reducing its corrosion current density. In addition, the Mg-Al-pAB-LDH coating applied to the surface of steel not only enhances the corrosion resistance in the marine environment but also possesses self-healing capabilities in areas of local damage to the steel surface.
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页数:17
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