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Proceedings Paper

Investigation on anti-corrosion property of nano-TiO2 fluoro-carbon coatings
Author(s): Yu-hong Qi; Zhan-ping Zhang; Li-li Wang; Xue-peng Du
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Paper Abstract

To meet the need of long-term anticorrosive protection of steel, a heavy-duty anticorrosive coating systems was developed with Fluorocarbon top paint which was modified by nano-TiO2. The corrosive characteristics of low carbon steel coated with the system were investigated in seawater by the exposition tests and Electrochemical Impedance Spectroscopy (EIS). The results show that the protective system with fluorocarbon top coating modified by nano-TiO2 has much better endurance than the reference system with fluorocarbon top coating not modified by nano-TiO2. There isn't any rusting and blistering on the surface of former coating, the coating system remains in "GOOD" condition. But some rusting and blistering were found on the surface of reference coating. EIS results indicated that the impedance of the nano-coating system decreases much less than that of the reference one. The nano-coating system is hopeful to meet the need of new coatings standard and to provide a target useful coating life of 15 years for ship's ballast.

Paper Details

Date Published: 20 October 2009
PDF: 5 pages
Proc. SPIE 7493, Second International Conference on Smart Materials and Nanotechnology in Engineering, 74933D (20 October 2009); doi: 10.1117/12.840800
Show Author Affiliations
Yu-hong Qi, Dalian Maritime Univ. (China)
Zhan-ping Zhang, Dalian Maritime Univ. (China)
Li-li Wang, Dalian Maritime Univ. (China)
Xue-peng Du, Dalian Maritime Univ. (China)

Published in SPIE Proceedings Vol. 7493:
Second International Conference on Smart Materials and Nanotechnology in Engineering
Jinsong Leng; Anand K. Asundi; Wolfgang Ecke, Editor(s)

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