A STUDY OF COMPOSITE COATINGS ON 22MnCrNiMo STEEL FOR MOORING CHAIN

Yan Shen, Prasanta K. Sahoo () and Yipeng Pan ()
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Yan Shen: Department of Naval Architecture and Ocean Engineering, Jiangsu Maritime Institute, Nanjing, Jiangsu 211170, P. R. China
Prasanta K. Sahoo: #x2020;Department of Ocean Engineering and Sciences, Florida Institute of Technology 150 W. University Blvd. Melbourne, FL 32901, USA
Yipeng Pan: #x2020;Department of Ocean Engineering and Sciences, Florida Institute of Technology 150 W. University Blvd. Melbourne, FL 32901, USA

Surface Review and Letters (SRL), 2018, vol. 25, issue 03, 1-11

Abstract: In order to enhance the corrosion resistance of mooring chain, the composite coatings are carried out on the surface of 22MnCrNiMo steel for mooring chain by double-pulsed electrodeposition technology using centrifugal force in the rotating device. The microstructure and anti-corrosion performance of the composite coatings have been investigated experimentally. This paper mainly focuses on the experimental work to determine the structural characteristics and corrosion resistance of composite coatings in the presence of nano-SiC. The results show that the presence of nano-SiC has a significant effect on the preparation of composite coating during the process. The surface of the coating becomes compact and smooth at a moderate concentration of nano-SiC particles. Furthermore, the best corrosion resistance of the composite coatings can be obtained when the concentration of nano-SiC particles is 2.0g.L−1 after salt spray treatment.

Keywords: Microstructure; corrosion resistance; composite coating; double-pulsed electrodeposition technology; mooring chain (search for similar items in EconPapers)
Date: 2018
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DOI: 10.1142/S0218625X18500749

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