Rapid Solidification Analysis of 18Cr-8Ni Stainless Steel Considering Dendrite Growth Conditions

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  • デンドライト成長条件を考慮した18Cr-8Niステンレス鋼の急速凝固解析
  • デンドライト セイチョウ ジョウケン オ コウリョシタ 18Cr 8Ni ステ

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Description

The initial stage of rapid solidification of 18Cr-8Ni stainless steel was numerically analyzed using the relationship between tip temperature and growth rate of a free dendrite. The generation rate of latent heat of fusion was evaluated from the growth rate of the interface which was given as a function of tip temperature of a dendrite. A phase selection rule that the phase with larger growth rate under a given tip temperature could grow was assumed in the analysis.<BR>The calculated length of cellular structure of metastable γ phase was in good agreement with experimental data, when the reported relationship between cooling rate and initial undercooling at the onset of solidification was assumed in the calculations.

Journal

  • Tetsu-to-Hagane

    Tetsu-to-Hagane 81 (5), 518-522, 1995

    The Iron and Steel Institute of Japan

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