Thermodynamic evaluation and optimization of the MnO-Al2O3 and MnO-Al2O3-SiO2 systems and applications to inclusion engineering |
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Authors: | In-Ho Jung Youn-Bae Kang Sergei A. Decterov Arthur D. Pelton |
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Affiliation: | (1) the Department of Materials Science and Engineering, Pohang University of Science and Technology, Pohang, 790-784 Kyungbuk, Korea;(2) the Centre de Recherche en Calcul Thermochimique, école Polytechnique de Montréal, PQ H3C 3A7 Montreal, Canada |
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Abstract: | All available thermodynamic and phase-diagram data have been critically evaluated and optimized for the liquid-slag phase and for all solid phases at 1 bar pressure from 298 K to above the liquidus temperatures for the systems MnO-Al2O3 and MnO-Al2O3-SiO2, and a database of model parameters has been prepared. The modified quasichemical model was employed for the molten-slag phase. Calculations using the database were performed with applications to inclusion engineering for Mn/Si killed steel. |
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