Assessment of Al Deoxidation Equilibrium in Liquid Iron

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  • ITOH Hiroyasu
    Research Student, Tohoku University, now Yoshizawa Lime Industry
  • HINO Mitsutaka
    Graduate School of Engineering, Tohoku University
  • BAN-YA Shiro
    Professor Emeritus, Tohoku University,Akita National College of Technology

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Other Title
  • 溶鉄のAl脱酸平衡の再評価
  • ヨウテツ ノ Al ダッサン ヘイコウ ノ サイ ヒョウカ

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Description

Previous literature thermodynamic values for strong deoxidizer such as aluminium are not in good agreement with the observed results and measurements. This discrepancy between predicted and measured results is due to an incomplete expression of the activities of dissolved oxygen and deoxidizer in current literature. Namely, only first order interaction parameters are available despite the very strong interactions among the dissolved elements.<BR>In the present work, the aluminium-oxygen equilibrium in liquid iron reported by other investigators was assessed to develop values for the first and second order interaction parameters.

Journal

  • Tetsu-to-Hagane

    Tetsu-to-Hagane 83 (12), 773-778, 1997

    The Iron and Steel Institute of Japan

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