Corrosion resistance and dielectric properties of an iron oxide filled epoxy coating

 
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1997 (EN)
Corrosion resistance and dielectric properties of an iron oxide filled epoxy coating (EN)

Kouloumbi, N (EN)
Molnar, F (EN)
Vourvahi, C (EN)
Tsangaris, GM (EN)

N/A (EN)

Polymeric composites of a bisphenol-A-epoxy resin and iron oxide filler (15% w/w) were deposited on pretreated steel specimens. The applied coatings had a thickness of 80 mu m and 220 mu m. The modification of the anticorrosive and dielectric characteristics of these coatings, in a corrosive environment (3.5% NaCl), were monitored by potentiodynamic polarization measurements, electrochemical impedance spectroscopy, and dielectric measurements. Corrosion resistance of composite coatings was found to be somewhat higher than that of unfilled epoxy coatings. Coatings containing iron oxide exhibited capacitive behavior as revealed by dielectric and EIS measurements. This behavior is more pronounced in high thickness composite coatings. (EN)

journalArticle

Corrosion Resistance (EN)
Electrochemical Impedance Spectroscopy (EN)
Permittivity measurement (EN)
Transport properties (EN)
Phenolic resins (EN)
Steel (EN)
Composition effects (EN)
Iron Oxide (EN)
Corrosion resistance (EN)
Epoxy Resin (EN)
Epoxy resins (EN)
Interfaces (materials) (EN)
Dielectric Properties (EN)
Plastics fillers (EN)
Potentiodynamic polarization measurement (EN)
bisphenol a (EN)
Iron oxides (EN)
Plastic coatings (EN)

Εθνικό Μετσόβιο Πολυτεχνείο (EL)
National Technical University of Athens (EN)

Journal of Coatings Technology (EN)

1997


FEDERATION SOC COATING TECH (EN)



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