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无机材料学报

无机材料学报

• 研究论文 • 上一篇    下一篇

ZrO2微粉表面化学镀镍动力学研究

邵忠财; 田彦文; 翟玉春; 李保山   

  1. 东北大学冶金与材料物理化学研究所; 沈阳 110006
  • 收稿日期:1998-06-24 修回日期:1998-09-03 出版日期:1999-06-20 网络出版日期:1999-06-20

Kinetics of Preparation of Ni Electroless Plating on ZrO2 Uultrafinepowders

SHAO Zhong-Cai; ZHAI Yu-Cun; TIAN; Yan-Wen; LI Bac-Shan   

  1. Northeastern University Material and Metallurpy School Shenyang 110006 China
  • Received:1998-06-24 Revised:1998-09-03 Published:1999-06-20 Online:1999-06-20

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摘要： 化学镀法制备Ni包覆ZrO2微粉，用分光光度法测定了镀液中的镍含量与时间的关系．得出NaF、表面活性剂对镀覆反应的影响，计算了镀覆反应的表现活化能．结果表明，镀覆后颗粒均由Ni和ZrO2两种成份复合而成，达到了均匀分散金属相和陶瓷相的目的；NaF和表面活性剂均能降低反应的表观活化能．

关键词: Ni包覆ZrO2, 化学镀, 活化能

Abstract: In the process of electroless plating used to Ni coated ZrO2 ultrafine powders, the relationship between Ni2+ concentration in solution
and time at different temperatures was determined. The effect of Ni2+ concentration, NaF and surfactants on the speed of Ni deposit was obtained.
Apparent activity energy was concluded. The goal that even mixing Ni with ZrO2 was attained. Experimental results show that
Ni is coated on ZrO2 powder surface and the speed of Ni deposit can be raised and apparent activity energy can be dropped by NaF and surfactants.

Key words: Ni coated ZrO2, electroless plating, activity energy, NaF, surfactants

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