Influence of Phosphorus Concentration and Heat Treatment on Anticavitation Erosion Characteristics in Electroless Nickel Plating

Shinobu Sugasawa, Shigeru Akiyama, Susumu Uematsu, Toshiaki Shibata, Toshiaki Iwata, Naoki Miyauchi, Fumihiro Fujita

研究成果: Article査読

抄録

Cavitation erosion has been a serious problem in the use of turbomachineries such as ship propellers. In this paper, we proposed a technique to prevent cavitation erosion using electroless nickel-phosphorus plating (ENP). ENP was plated on JIS CAC703 (Ni-A1 Bronze), which is known as a material of ship propellers. We examined the anticavitation property of ENP by a vibratory cavitation apparatus based on ASTM G32. It was found that the mass loss of plated substrate can be decreased ten times less than that of substrate by selecting suitable heat treatment temperature for the concentration of phosphorus in ENP. Finally, the mechanism of erosion of ENP is discussed.

本文言語English
ページ(範囲)1976-1985
ページ数10
ジャーナルNihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
77
783
DOI
出版ステータスPublished - 2011
外部発表はい

ASJC Scopus subject areas

  • 材料科学一般
  • 材料力学
  • 機械工学

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