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The Effect of Additive to Corrosion Resistance of Heavy Anti-Corrosive Paint  

Moon, Kyung-Man (Dept. of Mechanical and Material Engineering, Korea Maritime Univ.)
Cho, Hwang-Rae (Dept. of Mechanical and Material Engineering, Korea Maritime Univ.)
Lee, Myung-Hoon (Dept. of Marine System Engineering, Korea Maritime Univ.)
Kim, Hyun-Myung (Byucksanpaint & Coatings co, ltd.)
Lee, In-Won (Dept. of Naval Architecture and Ocean Engineering, Pusan Nation Univ.)
Chun, Ho-Hwan (Dept. of Naval Architecture and Ocean Engineering, Pusan Nation Univ.)
Publication Information
Journal of Ocean Engineering and Technology / v.21, no.3, 2007 , pp. 65-70 More about this Journal
Abstract
There are many kinds of protection methods for marine structures, with varyingeconomical and environmental advantages. The coating protection method is being widely used in both continental and marine structures. In this study, by adding some additives, such as Zn powder(Zn), carbon black(CB) to epoxy anti-corrosive paint, the effect on the corrosion resistance was investigated throughan electrochemical method. The additive of Zn(20)+CB(10) showed the lowest passivity current density. Polarization resistance in both cyclic voltammogram and impedance measurement of an additive of Zn(20)+CB(10) was also the largest value, compared to other additives. Furthermore, rusting and bubbling was not observed on the surface of the test specimen with the additive of Zn(20)+CB(10), compared to other specimens. It is suggested that the corrosion resistance of the anti-corrosive paint can be improved by using some additives.
Keywords
Corrosion resistance; Coating protection method; Anti-corrosive paint; Additive; Cyclic voltammogram; Impedance;
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Times Cited By KSCI : 1  (Citation Analysis)
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