Enhancement of corrosion resistance of electrocodeposited Ni-SiC composites by magnetic field

F. Hu, Kang Cheung Chan, S. Z. Song, X. J. Yang

Research output: Journal article publicationJournal articleAcademic researchpeer-review

24 Citations (Scopus)

Abstract

The corrosion behavior and surface morphology of Ni-SiC composite coatings produced by electrodeposition with the aid of magnetic field were studied. The results of the electrochemical analysis including polarization resistance and potentiodynamic polarization curves showed that a magnetic field of 0.1 T could significantly improve the corrosion resistance of the composite. The electrochemical impedance spectra revealed that a passive layer was formed on the surface of the Ni-SiC coating with the magnetic field. The microstructures of electrodeposited Ni-SiC composite coatings were also examined. More SiC particles were found to be incorporated into the coating with the presence of magnetic field, which was considered to be one of the reasons for the enhancement of corrosion resistance as SiC particles were reported to be corrosion inhibitors.
Original languageEnglish
Pages (from-to)745-750
Number of pages6
JournalJournal of Solid State Electrochemistry
Volume11
Issue number6
DOIs
Publication statusPublished - 1 Jun 2007

Keywords

  • Codeposition
  • Corrosion property
  • Magnetic field
  • Ni-SiC composites

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Electrochemistry
  • Electrical and Electronic Engineering

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