合金-セラミックス分散複合化プロセスにおける複合粒子成長シミュレーション Simulation of Composite Particle Growth in Dispersion and Compounding Process of Alloy Particle and Ceramic Powder

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In this paper, a compounding process in which fine WC powder was dispersed in particulate Ag-Ni alloy using a high-speed elliptical-rotor-type mill was investigated. In the process, the growth of the composite particle was observed as the processing time proceeds. A model for the growth phenomenon of the particle was constructed by means of theory of powder grinding using ball mill and dynamics of the plastic deformation of metal particle. In the model, the probability that the composite particle grew was adopted. It was expressed as the product of the probability that the particle was caught between a pair of media (zirconia beads), that it occurred the plastic deformation and the number of the rotor caught them, which included the experimental conditions as parameters. Temporal change in size distribution of the composite particles has been calculated using this method. Comparing calculated value with experimental data of particle median diameter, they were in good agreement. Consequently, it has been indicated that the model is valid and accurate estimation and control of particle size were possible.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 45(4), 362-367, 1998-04-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002015510
  • NII書誌ID(NCID)
    AN00222724
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    05328799
  • NDL 記事登録ID
    4459421
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-274
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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