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Author:

Chen, Zhi-Kai (Chen, Zhi-Kai.) | Guo, Hong-Xia (Guo, Hong-Xia.) (Scholars:郭红霞) | Wang, Qun (Wang, Qun.) (Scholars:王群)

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Abstract:

Electrochemical behaviors of Fe-Ni alloy electrodeposition in different of Fe2+, Ni2+, pH, temperature, brightener, complexant were studied by the methods of linear potential sweep, cyclic voltammetery. From the results it can be concluded that when pH value decreased and temperature increased, the cathodic polarization of Fe-Ni alloy electrodeposition decreased. With increasing the concentration of Fe2+ and decreasing the concentration of Ni2+, the cathodic polarization increased. Brightener and complexant played a role of increasing cathodic polarization and were useful to make Ni-Fe alloy brighter and density. At the same time they could enhance corrosion resistance of coatings. The apparent active energy of the electrode reaction of electrodepositon Fe-Ni alloy coating within an electrode potential range of -1.0 to -1.2V was calculated to be above 40kJ/mol, indicating that the electrodepositon process of the Fe-Ni alloy coating was dominated by electrochemical polarization. The XRD pattern showed that Ni-Fe alloy was a solid solution with a crystal structure, the SEM pattern indicated that its appearance was smooth and bright.

Keyword:

Iron alloys Corrosion resistance Cathodic polarization Cerium alloys Metal cladding Electrochemical electrodes Alloys Electrodeposition Crystal structure Coatings

Author Community:

  • [ 1 ] [Chen, Zhi-Kai]The College of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, China
  • [ 2 ] [Guo, Hong-Xia]The College of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, China
  • [ 3 ] [Wang, Qun]The College of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, China

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Source :

Journal of Functional Materials

ISSN: 1001-9731

Year: 2010

Issue: 9

Volume: 41

Page: 1595-1599

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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