Ｎｉ‐Ａｌ２Ｏ３複合体の電析に及ぼす分散粒子の粒度分布の影響

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書誌事項

タイトル別名
  • Effect of Size Distribution of Dispersed Alumina on Electrodeposition of Nickel-Alumina Composites
  • Ni Al2O3 フクゴウタイ ノ デンセキ ニ オヨボス ブンサン リュウシ

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抄録

The alumina content of nickel-alumina composites electrodeposited on a rotating cylindrical cathode in an alumina dispersed Watts solution decreased With increasing revolution rate of the cathode. The maximum size of alumina particles deposited also decreased with increasing revolution rate. These new findings on the behaviours of the deposits have been studied in detail with measurements of the size distribution both of particles in the plating solution and of the particles in the composites. The increase in the revolution rate of the cathode displaced the cumulative size distribution curve of the particles embedded in the deposit to smaller size range. The particle size on the distribution urve, which corresponds to the efficiency of transfer of dispersed alumina is inversely proportional to the revolution rate. This observation can be explained in terms of an estimated value of the Hamaker constant of 2.5×10-19[J] for the heterocoagulation between alumina and nickel.

収録刊行物

  • 金属表面技術

    金属表面技術 31 (10), 541-544, 1980

    一般社団法人 表面技術協会

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