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2013•Electroplating & Pollution ControlRequires access

A Study of Natural Color Passivation Process for Zinc Plating

Lü Gang

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Abstract

An improved modified process was studied,which gave attention to both appearance and anti-corrosion requirements of the products.And the corrosion resistance of the products was evaluated by electrochemical impedance spectroscopy(EIS),electrochemical polarization curve,and neutral salt spray(NSS) test.The results show that processed by trivalent chromium color zinc passivation and sealed,the samples are much improved in their corrosion resistance,and can satisfy the requirements for their appearance as well.

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What this paper is about

An improved modified process was studied,which gave attention to both appearance and anti-corrosion requirements of the products.And the corrosion resistance of the products was evaluated by electrochemical impedance spectroscopy(EIS),electrochemical polarization curve,and neutral salt spray(NSS) test.The results show that processed by trivalent chromium color zinc passivation and sealed,the samples are much improved in their corrosion resistance,and can satisfy the requirements for their appearance as well.

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Available abstract

An improved modified process was studied,which gave attention to both appearance and anti-corrosion requirements of the products.And the corrosion resistance of the products was evaluated by electrochemical impedance spectroscopy(EIS),electrochemical polarization curve,and neutral salt spray(NSS) test.The results show that processed by trivalent chromium color zinc passivation and sealed,the samples are much improved in their corrosion resistance,and can satisfy the requirements for their appearance as well.

Key concepts: Passivation, Corrosion, Dielectric spectroscopy, Materials science, Zinc, Polarization (electrochemistry), Metallurgy, Electrochemistry

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