The effect of a magnetic field on the surface finish of nickel electroforms

Kang Cheung Chan, K. Wong, N. S. Qu

Research output: Journal article publicationJournal articleAcademic researchpeer-review

2 Citations (Scopus)

Abstract

It has been demonstrated that the deposit quality of nickel electroforms can be enhanced by using a magnetic field. Less research work has been carried out to examine the effect of magnetic fields on the surface finish of nickel electroforms using a nickel sulphamate bath and low magnetic flux densities. In this paper, it has been found that the surface finish of nickel electroforms can be improved by applying a magnetic field. The best surface finish is obtained at a magnetic field of 5 mT and at a current density of 8 A dm-2. A change in the intensity of the (200) peak is observed in the nickel electroforms under different magnetic flux densities. In this paper, the effect of a magnetic field on surface finish has been examined theoretically. It is believed that the presence of a magnetic field may increase the diffusion layer thickness and hence improve the surface finish.
Original languageEnglish
Pages (from-to)110-112
Number of pages3
JournalTransactions of the Institute of Metal Finishing
Volume80
Issue number3
DOIs
Publication statusPublished - 1 Jan 2002

Keywords

  • Electroforming
  • Magnetic field
  • Surface finish

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Metals and Alloys

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