Preparation of Amorphous Co-P Spherical Powder by Chemical Reduction Method.

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  • Yuze Eiichiro
    Akita Prefectural Resources Technology Development Organization
  • Matsuda Mitsuaki
    Akita Prefectural Resources Technology Development Organization
  • Ohtsuka Kazuo
    Akita Prefectural Resources Technology Development Organization
  • Tagami Michihiro
    Department of Materials Engineering and Applied Chemistry, Mining Collage Akita University

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Other Title
  • 金属粉の製造および評価試験　無電解還元法による球状アモルファスＣｏ‐Ｐ合金粉末の作製
  • ムデンカイ カンゲンホウ ニヨル キュウジョウ アモルファス Co P ゴウキ

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Abstract

This paper describes a new method of preparing Co-P spherical powder by use of reducing agent in an aqueous solution. A fixed proportion of reducing agent, complex agent and pH buffer agent was mixed into an aqueous solution with a metallic salt solution. As the result, alloy powder was obtained. At the fixed reaction temperature of 363K, the adequate condition was searched by charging the proportion of above-mentioned agents. The obtained powders were examined by SEM, TG-DTA, XRD, EPMA and ICP. Most of spherical particles were confirmed to be amorphous by XRD and SEM. Chemical analysis of thus obtained particles showed that main elements were Co and P.

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