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Formation of Environment Friendly Electrodeposition Films by CO2Gas Dissolved in Seawater and Their Corrosion Resistance
해수 중 CO2기체의 유입에 의한 환경 친화적인 전착 코팅막의 형성과 그 내식특성
2014
Journal of the Korean institute of surface engineering
해수 중 CO2기체의 유입에 의한 환경 친화적인 전착 코팅막의 형성과 그 내식특성
The peculiar feature of cathodic protection in seawater has the capability to form mineral calcareous deposits such as magnesium and calcium on metal surfaces. It is assumed that OH − ions are generated close to the metal surface as a result of cathodic protection and generated OH − ions increases the pH of the metal/seawater interface outlined as the following formulae. (1) O 2 + 2H 2 O + 4e → 4OH − , or (2) 2H 2 O + 2e →H 2 + 2OH − . And high pH causes precipitation of Mg(OH) 2 and CaCO 3 in
doi:10.5695/jkise.2014.47.1.039
fatcat:lhltgfvycrbrdmzuoffpirkh6i