浮遊帯域溶融鉄中の溶質原子の分布

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タイトル別名
  • The Distribution of Solute Atoms in the Floating Zone Melted Iron
  • フユウ タイイキ ヨウユウテツ チュウ ノ ヨウシツ ゲンシ ノ ブンプ

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抄録

Experiments on the determination of distribution coefficients for Ni, Mn, C, S and O in iron were carried out by the floating zone melting method. It was found that solute atoms such as Mn and O showed very peculiar distributions, different from those expected from current theories. From the analysis of the experimental results, it is concluded that the evaporation of solute atoms such as Mn and S having high vapor pressure and also the diffusion of solute atoms such as O and C in a solid zone adjacent to the molten zone play important roles on the solute distribution. By considering the two effects, the distribution curve of solute atoms obtained experimentally can be satisfactorily explained.<BR>Values of effective distribution coefficients, k, for various travelling rates of the molten zone were determined, from which equilibrium distribution coefficients, ko, and the thickness of the diffusion layer, δ, were computed; the values of ko thus obtained were in good agreement with those given in the literature.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 27 (7), 342-348, 1963

    公益社団法人 日本金属学会

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