Application of the electrochemical noise to investigate the corrosion resistance of an epoxy zinc-rich coating loaded with lamellar aluminum and micaceous iron oxide particles
By Arman, S.Y.; Ramezanzadeh, B.; Farghadani, S.; Mehdipour, M. & Rajabi, A.
Published in Corrosion Science
NULL
2013
Abstract
The effects of partial replacement of zinc particles by micaceous iron oxide (MIO) and lamellar Al particles on the corrosion protection properties of an epoxy zinc rich coating were studied. Electrochemical noise (ECN), electrochemical impedance spectroscopy (EIS) and salt spray were utilized in order to investigate the cathodic protection properties of the coatings. Results showed that partial replacement of zinc dust particles by barrier MIO and Al particles caused corrosion protection properties enhancement of the zinc rich coating without reducing its sacrificial properties. The MIO loaded coating showed better corrosion protection properties compared with Al loaded one.
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