期刊
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
卷 11, 期 -, 页码 404-411出版社
ELSEVIER
DOI: 10.1016/j.jmrt.2021.01.040
关键词
External electric field; Rare earth; Alloy; Submerged entry nozzle; Clogging
资金
- National Natural Science Foundation of China [51974074, 51874083]
- State Key Program of National Natural Science Foundation of China [51932008]
- Fundamental Research Funds for the Central Universities [N2025036, N182504009]
- Central China Thousand Talents Project [204200510011]
The polarity of the electric field has a significant impact on the decarburization, erosion, and clogging processes in the submerged entry nozzle made of rare earth steel. Adjusting the electric field polarity can effectively reduce these processes and ensure smooth production in continuous casting of rare earth steel.
The effect of an electric field with different polarities on the inner wall of a submerged entry nozzle made of rare earth steel was investigated. The results show that the electric field induces a change in the decarburization, erosion, and clogging processes of the nozzle. In the casting of rare earth steel, the negative electric field affects the decarburization, erosion, and clogging of the nozzle. Moreover, when a reverse positive electric field is applied on the wall of the submerged entry nozzle, these processes can be effectively reduced. This ensures the integrity of the submerged entry nozzle and its smooth production during the continuous casting process. ? 2021 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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