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Viscosity of CaO-MgO-Al2O3-SiO2-TiO2 Melts Containing TiC Particles

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Abstract

The present study reports an experimental investigation into the effect of solid suspension on the viscosity of molten slags by the rotating-cylinder method. The viscosities of CaO-MgO-Al2O3-SiO2-TiO2 melts containing different volume percentages of TiC particles (1.0 μm) are measured at different temperatures. It is found that the Arrhenius law was obeyed for both the melts with and without TiC particles. The viscosity for the TiC-containing melt is found to increase with the addition of the particles, but the effect appears to be much greater than estimated by the Einstein–Roscoe type equation, \( \eta = \eta_{0} (1 - 1.35f)^{ - 2.5} \), where η and η o are the viscosities of the two-phase mixture and the solid-free melt, and f is the volume fraction of solid particles in the melt.

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Acknowledgments

Thanks are given for the financial support from China Postdoctoral Science Foundation (2013T60061) and the National Natural Science Foundation of China (51304018 and 51234001).

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Authors and Affiliations

  1. State Key Laboratory of Advanced Metallurgy, University of Science and Technology, Beijing, 100083, P.R. China

    Yu-Lan Zhen, Guo-Hua Zhang & Kuo-Chih Chou

  2. School of Metallurgical and Ecological Engineering, University of Science and Technology, Beijing, 100083, P.R. China

    Yu-Lan Zhen, Guo-Hua Zhang & Kuo-Chih Chou

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  1. Yu-Lan Zhen
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  2. Guo-Hua Zhang
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  3. Kuo-Chih Chou
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Correspondence to Guo-Hua Zhang.

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Manuscript submitted March 11, 2014.

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Zhen, YL., Zhang, GH. & Chou, KC. Viscosity of CaO-MgO-Al2O3-SiO2-TiO2 Melts Containing TiC Particles. Metall Mater Trans B 46, 155–161 (2015). https://doi.org/10.1007/s11663-014-0169-x

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