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Influence of Cr2O3 and Basicity on Viscosity of Ti-Bearing Blast Furnace Slag

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Book cover Characterization of Minerals, Metals, and Materials 2019

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

Abstract

The influence of Cr2O3 and basicity on the viscosity of CaO–SiO2-15 wt% Al2O3-9 wt% MgO-22 wt% TiO2–Cr2O3 slag was investigated in the temperature range of 1673–1773 K. The viscosity decreased with increasing basicity at fixed content of Cr2O3 due to the depolymerization of silicon structure. At a fixed content of basicity , the viscosity decreased with increasing Cr2O3 when the mass percentage of Cr2O3 was below 1%. Different models were also used to predict the effect of Cr2O3 on the viscosity of blast furnace slag, and the results show that the optical basicity model agrees well with the experimental values. With the initial addition of Cr2O3 content, the slag melting temperature increased from 1660 to 1673 K. When the basicity increased from 1.0 to 1.2, the slag melting temperature increased from 1655 to 1720 K.

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Acknowledgements

The work described in this paper was supported by a grant from the Natural Science Foundation of China (Project no. 51674055).

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Authors and Affiliations

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

    Guibao Qiu, Jian Wang, Shiyuan Liu & Qingjuan Li

Authors
  1. Guibao Qiu
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  2. Jian Wang
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  3. Shiyuan Liu
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  4. Qingjuan Li
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Corresponding author

Correspondence to Guibao Qiu .

Editor information

Editors and Affiliations

  1. Michigan Technological University, Houghton, MI, USA

    Bowen Li

  2. CanmetMATERIALS, Hamilton, ON, Canada

    Jian Li

  3. Al-Isra University, Amman, Jordan

    Shadia Ikhmayies

  4. ArcelorMittal Global R&D, East Chicago, IN, USA

    Mingming Zhang

  5. Middle East Technical University, Ankara, Turkey

    Yunus Eren Kalay

  6. Los Alamos National Laboratory, Los Alamos, NM, USA

    John S. Carpenter

  7. Michigan Technological University, Houghton, MI, USA

    Jiann-Yang Hwang

  8. Military Institute of Engineering, Rio de Janeiro, Brazil

    Sergio Neves Monteiro

  9. Chongqing University, Chongqing, China

    Chenguang Bai

  10. UNSW Canberra, Campbell, ACT, Australia

    Juan P. Escobedo-Diaz

  11. Free University of Bozen-Bolzano, Bolzano, Italy

    Pasquale Russo Spena

  12. Naval Research Laboratory, Washington, DC, USA

    Ramasis Goswami

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Qiu, G., Wang, J., Liu, S., Li, Q. (2019). Influence of Cr2O3 and Basicity on Viscosity of Ti-Bearing Blast Furnace Slag. In: Li, B., et al. Characterization of Minerals, Metals, and Materials 2019. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-030-05749-7_36

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