テルミット法で合成したＺｒＮ微粉体の電気泳動電着回収

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タイトル別名
  • Electrophoretic Deposition and Recovery of ZrN Fine Powders Prepared Using Thermite Method.
  • テルミットホウ デ ゴウセイシタ ZrN ビフンタイ ノ デンキ エイドウ デ

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抄録

A study was conducted concerning the recovery of ZrN fine powders using a combination of acid washing and electrophoretic deposition in order to simply and efficiently separate ZrN fine powders and MgO by-product, prepared by the thermite method. Examinations of the electroadhesion of the ZrN fine powders in the dispersion medium, the concentration of the pertinent dispersion medium, and the appropriate time and voltage of electrophoresis were also made. It was found that the amount of ZrN fine powders deposited could be controlled with ease by changing the concentration of the dispersion medium, the applied voltage and the deposition time. It was also evident that no new addition of electrolyte was necessary to this recovery operation, because the H+ ion concentration required for the operation of subsequent deposition was already present on the ZrN particles in the process of acid washing and these particles were consequently charged.

収録刊行物

  • 表面技術

    表面技術 42 (7), 746-750, 1991

    一般社団法人 表面技術協会

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