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Initial Wetting Phenomena of MgO–SiO2 Liquid Slag on MgO–C Refractories

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Abstract

The initial wetting phenomena of MgO–SiO2 slag on MgO–C refractories were studied using the dispensed drop technique at 1873 K. As the carbon content increased, the apparent contact angle and height increased, whereas the apparent radius decreased. The change in the apparent contact angle according to the carbon content was applied to the Cassie model. Reduced Si was observed at the boundary between the slag and the refractories.it was seen that SiO2(l) + 2C(s) = Si(l) + 2CO(g) was the main reaction.

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Acknowledgments

This work was partly supported by Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant (Grant number 20212010100060), and by Korea Institute for Advancement of Technology (KIAT) grant (Grant number P008425) funded by the Ministry of Trade, Industry & Energy (MOTIE), and by the 2020 sabbatical year research grant of the Tech University of Korea.

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On behalf of all authors, the corresponding author states that there is no conflict of interest.

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  1. Department of Advanced Materials Engineering, Tech University of Korea, 237, Sangidaehak-Ro, Shiheung-Si, Gyeonggi-Do, 15073, Republic of Korea

    Seungwon Jeon, Jaewoo Myung & Yongsug Chung

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  1. Seungwon Jeon
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  2. Jaewoo Myung
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  3. Yongsug Chung
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Correspondence to Yongsug Chung.

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Jeon, S., Myung, J. & Chung, Y. Initial Wetting Phenomena of MgO–SiO2 Liquid Slag on MgO–C Refractories. Metall Mater Trans B 54, 34–42 (2023). https://doi.org/10.1007/s11663-022-02684-2

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