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2015 | OriginalPaper | Chapter

The Investigation of Zinc-Rich Paint (ZRP) Behavior in NaCl Solution by Electrochemical Methods

Authors : Azizul Helmi Bin Sofian, Kazuhiko Noda

Published in: The Malaysia-Japan Model on Technology Partnership

Publisher: Springer Japan

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Abstract

Zinc-rich paints are coating materials designed to improve corrosion especially in marine and saline environments. Two types of zinc-rich paints (ZRPs) were employed in this research: 74 % ZRP and 96 % ZRP. The effectiveness of zinc coating systems has been analyzed in 0.5 M NaCl solution. Corrosion protections of coated metallic substrates were investigated using polarization measurement and electrochemical impedance spectroscopy (EIS). Electrochemical test showed that metallic substrates coated with 96 % ZRP have better corrosion resistance (galvanic protection) while those coated with 74 % ZRP have better barrier effect.

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Metadata
Title
The Investigation of Zinc-Rich Paint (ZRP) Behavior in NaCl Solution by Electrochemical Methods
Authors
Azizul Helmi Bin Sofian
Kazuhiko Noda
Copyright Year
2015
Publisher
Springer Japan
DOI
https://doi.org/10.1007/978-4-431-54439-5_1