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MgAl2O4 Inclusion Agglomeration on the Surface of Liquid Steel

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Abstract

The aggregation, separation, and agglomeration behaviors of MgAl2O4 inclusions were observed by CLSM. From these observations, it was found that the cavity bridge force between two inclusion particles plays a dominant role in the process of agglomeration, and that the action distance of the cavity bridge force is proportional to the radius of the MgAl2O4 inclusion. Once a stable cavity bridge between two MgAl2O4 particles forms, the aggregated MgAl2O4 inclusion cannot be separated again.

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The authors are grateful to the Natural Science Foundation of China (Grant No. 51874170) and the Open Project Foundation of the Key Laboratory of Electromagnetic Process Material, Northeastern University, China (NEU - EPM - 001) for supporting this work.

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Authors and Affiliations

  1. School of Materials and Metallurgy, University of Science and Technology Liaoning, Anshan, 114051, Liaoning, P.R. China

    Lei Cao, Guocheng Wang & Yang Zhao

  2. Key Laboratory of Chemical Metallurgy Engineering Liaoning Province, University of Science and Technology Liaoning, Anshan, 114051, Liaoning, P.R. China

    Lei Cao, Guocheng Wang & Yang Zhao

  3. Department of Metallurgical and Materials Engineering, Colorado School of Mines, Golden, CO, 80401, USA

    Guocheng Wang & Seetharaman Sridhar

  4. Key Laboratory of Electromagnetic Processing of Materials, Ministry of Education, Northeastern University, Shenyang, 110819, Liaoning, P.R. China

    Hong Lei

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  1. Lei Cao
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  2. Guocheng Wang
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  4. Seetharaman Sridhar
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Correspondence to Guocheng Wang.

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Manuscript submitted May 19, 2019.

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Cao, L., Wang, G., Zhao, Y. et al. MgAl2O4 Inclusion Agglomeration on the Surface of Liquid Steel. Metall Mater Trans B 50, 2502–2507 (2019). https://doi.org/10.1007/s11663-019-01688-9

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  • DOI: https://doi.org/10.1007/s11663-019-01688-9

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