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Effect of TiO2 on the Viscous Behaviour of the CaO–SiO2–14 Mass% Al2O3–8 Mass% MgO–TiO2 Slag

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Part of the book series: The Minerals, Metals & Materials Series ((MMMS))

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.

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Acknowledgements

This study was supported by the Fundamental Research Funds for the Central Universities (Grant No. 2018CDQYCL0026) and the Fundamental Research Funds for the Central Universities (2018CDPTCG0001/32).

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Authors and Affiliations

  1. College of Materials Science and Engineering, Chongqing University, Chongqing, 400044, China

    Zhengde Pang, Yuyang Jiang, Xuewei Lv, Zhiming Yan & Wenchao He

Authors
  1. Zhengde Pang
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  2. Yuyang Jiang
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  3. Xuewei Lv
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  4. Zhiming Yan
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  5. Wenchao He
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Corresponding author

Correspondence to Xuewei Lv .

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Editors and Affiliations

  1. Central South University, Changsha, China

    Tao Jiang

  2. Michigan Technological University, Houghton, MI, USA

    Jiann-Yang Hwang

  3. RHI Magnesita, Leoben, Austria

    Dean Gregurek

  4. Central South University, Changsha, China

    Zhiwei Peng

  5. Montana Tech, Butte, MT, USA

    Jerome P. Downey

  6. The University of Queensland, Brisbane, QLD, Australia

    Baojun Zhao

  7. Istanbul Technical University, Istanbul, Turkey

    Onuralp Yücel

  8. Atilim University, Ankara, Turkey

    Ender Keskinkilic

  9. University of Concepción, Concepción, Chile

    Rafael Padilla

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Pang, Z., Jiang, Y., Lv, X., Yan, Z., He, W. (2019). Effect of TiO2 on the Viscous Behaviour of the CaO–SiO2–14 Mass% Al2O3–8 Mass% MgO–TiO2 Slag. In: Jiang, T., et al. 10th International Symposium on High-Temperature Metallurgical Processing. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-030-05955-2_50

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