Abstract
Clogging behavior has been investigated by applying a direct current on a submerged entry nozzle (SEN). The relevant experimental results verify that the high-speed friction acting on the SEN not only leads to charging of the inclusions, but also inhibits the clogging behavior and improves the quality of the steel. After DC treatment, the formation of clogging in the SEN decelerates and the stability improves, such that the density of clogging increases and the porosity of clogging decreases significantly. Meanwhile, after applying a DC electric field, the overall quality of steel is also improved.
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Acknowledgments
The authors express their gratitude for the financial support from the National Natural Science Foundation of China (Grant Nos. 51974074, 51874083), the State Key Program of National Natural Science Foundation of China (Grant No. 51932008) and the Fundamental Research Funds for the Central Universities (Grant N2025036, N182504009).
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We declare that we do not have any commercial or associative interest that represents a conflict of interest in connection with the work submitted.
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Manuscript submitted March 31, 2020.
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Tian, C., Yuan, L., Yu, J. et al. Effect of External Electric Field Application on the Clogging Behavior of Submerged Entry Nozzles During Aluminum-Killed Steel Casting. Metall Mater Trans B 51, 2095–2106 (2020). https://doi.org/10.1007/s11663-020-01926-5
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DOI: https://doi.org/10.1007/s11663-020-01926-5