The Electrodeposition of Ni-Fe-Cr Alloy Coatings on Mild Steel Surfaces and Evaluation of Corrosion Resistance

Qi Jun Zhong; Li Bin Yu; Yi Xiao; Jian Feng Gu; Qing Dong Zhong; Ji Bo Jiang; Qiong Yu Zhou

doi:10.4028/www.scientific.net/AMR.785-786.948

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 785-786The Electrodeposition of Ni-Fe-Cr Alloy Coatings...

The Electrodeposition of Ni-Fe-Cr Alloy Coatings on Mild Steel Surfaces and Evaluation of Corrosion Resistance

Abstract:

The electrodeposition of Ni-Fe-Cr alloys was investigated in a trivalent chromium electrolyte on the surface of mild steel over a range of current density. Scanning Electron Microscopy (SEM), Tafel plot and Electrochemical Impedance Spectroscopy (EIS) measurements were used to compare plated alloy coatings and heat-treated electrodeposited alloy coatings. The heat-treated alloy coatings showed a relatively large impedance values and corrosion inhibiting efficiency. Moreover, the polarisation resistance, R_p, was obtained by EIS modeling using equivalent circuits.

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Periodical:

Advanced Materials Research (Volumes 785-786)

Pages:

948-952

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.785-786.948

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Online since:

September 2013

Authors:

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

Keywords:

Corrosion Resistance, Electrochemical Impedance Spectroscopy (EIS), Electrodeposition, Tafel

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* - Corresponding Author

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