Thermodynamics of the MnO-SiO_2-TiO_2 System at 1673 K

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著者

    • ITO Maki
    • Department of Metallurgy, The University of Tokyo
    • SANO Nobuo
    • Department of Metallurgy, The University of Tokyo

抄録

The isothermal phase relations for the MnO-SiO<sub>2</sub>-TiO<sub>2</sub> system have been investigated at 1673 K by a chemical equilibration technique. Iso-activity curves for MnO are drawn from the experimental results of the activities as well as those for SiO<sub>2</sub> and TiO<sub>2</sub> calculated by Schuhmann's tangent intercept procedure.<sup>1)</sup> Iso-activity curves are nearly parallel to the saturation lines for the respective components. In this system, the interaction between MnO and SiO<sub>2</sub> is the strongest of all.<br> The sulfide capacity mostly depends on MnO content in this ternary system. It slightly increases when SiO<sub>2</sub> is replaced by TiO<sub>2</sub> at a constant (MnO+MnS) content by molar basis, whereas γ<sub>MnS</sub> considerably decreases.

収録刊行物

  • ISIJ international  

    ISIJ international 37(9), 839-843, 1997-09-15 

    The Iron and Steel Institute of Japan

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