Abstract
In the present work, the effect of TiO2 on the viscosity and the free running temperature of the CaO–SiO2–Al2O3–MgO–TiO2 slag system were studied. At fixed CaO/SiO2 ratio of 1.1, 14 mass pct Al2O3 and 8 mass pct MgO, the viscosity decreases with an increase in TiO2 content between 20 and 30 mass pct due to depolymerization of slag structure, which means that TiO2 behaves as a network modifier. The free running temperature decreases with the increase of TiO2 content. The change of the apparent activation energy is in accordance with the change of viscosity. Five different viscosity models and FactSage software were employed to predict the viscosity. Yan’s model agrees well with experimental data.
Published Version
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