2008•Cailiao baohuRequires access

Corrosion Resistance of Arc-Sprayed Pseudo Zn-Al Alloy Coating

Peng Li

Abstract

A twin-wire arc-spraying system was performed to prepare pseudo Zn-Al alloy coating so as to improve the corrosion resistance and realize long-term protection of the steel substrate.The adhesion to substrate and corrosion resistance of the pseudo Zn-Al alloy coating were investigated using neutral salt-spraying test and scanning electron microscopy,using Zn and Al coating for a comparison.It was found that the arc sprayed pseudo Zn-Al alloy coating had better corrosion resistance and adhesion to substrate than the Zn-15%A1 alloy coating.

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Key concepts: Materials science, Corrosion, Alloy, Coating, Metallurgy, Substrate (aquarium), Scanning electron microscope, Adhesion