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The Effect of Cl- Concentration on the Corrosion Behavior of Electroplated Cu-Ni-W Alloy Coating

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Abstract:

Cu-Ni-W alloy coating was electroplated on the surface of mild steel and the effect of Cl- concentration on its corrosion behavior was evaluated in this paper. Polarization techniques and electrochemical impedance spectroscopy (EIS) have been used to investigate the corrosion behavior in aqueous solution contain various Cl-. The results showed that The increased Cl- is prejudice for the Cu-Ni-W coating from 0.01 to 0.3 mol/L, and the critical value of Cl- content is 0.3 mol/L, the coating corrosion present better resistance when immerse in the solution with Cl- content exceeds the critical value or more .

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Periodical:

Advanced Materials Research (Volumes 785-786)

Pages:

953-956

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.785-786.953

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Online since:

September 2013

Authors:

Yi Xiao, Li Bin Yu, Qi Jun Zhong, Jian Feng Gu, Qiong Yu Zhou, Qing Dong Zhong*

Keywords:

Corrosion Behavior, Cu-Ni-W Alloy Coating, Electrochemical Impedance Spectroscopy (EIS)

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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* - Corresponding Author

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