AUTOCATALYTIC (ELECTROLESS) NICKEL-TUNGSTEN-PHOSPHORUS PLATING.

T. Osaka, Hideo Sawai, Fumio Otoi, Kohji Nihei

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)

Abstract

Bath compositions and conditions for autocatalytic (electroless) nickel-tungsten-phosphorous alloy plating were investigated with changing sodium citrate and sodium tungstate concentrations. The co-deposition of 3 approximately 4 weight percent tungsten with nickel reduced the phosphorus content in deposits from 8. 9 to 2. 3 weight percent, consequently improving the crystallinity of as-plated deposits. Residual stress and specific conductance of as-plated deposits were increased by this lower phosphorus content.

Original languageEnglish
Pages (from-to)31-35
Number of pages5
JournalMetal Finishing
Volume80
Issue number8
Publication statusPublished - 1982 Aug 1
Externally publishedYes

ASJC Scopus subject areas

  • Waste Management and Disposal
  • Pollution
  • Polymers and Plastics
  • Metals and Alloys
  • Industrial and Manufacturing Engineering

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