2012•Unpublished venueRequires access

Investigation Self Healing Property of Cerium Nitrate in Organosilane Pretreated Anti Corrosion Coatings

Sadeq Hooshmand Zaferani, Mahmood Peikari, Davood Zaarei, Iman Danaei, Mohammad javad Fakhraei

Abstract

Abstract The barrier property and self healing behavior of the coating systems containg organosilane and epoxy was investigated. The organosiolane componenet of coatings was doped with cerium nitrate and applied on cold rolled carbon steel substrates. Electrochemical impedance spectroscopy (EIS) and immersion tests were used for assessment of corrosion resistrance behaviour of coatings. Also SEM and EDS techniques were employed to investigate the self healing ability of cerium nitrate. Addition of 2 wt. % of cerium nitrate into the coating solution led to superiour self-healing property for scribed coating systems. Furthermore healing mechanism of cerium nitrate pigments was explained in detail.

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Key concepts: Cerium, Cerium nitrate, Materials science, Corrosion, Dielectric spectroscopy, Nitrate, Coating, Cerium oxide