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Experimental Study of Macrostructure and Segregation by a Novel Electromagnetic Nozzle Swirling Flow Combined with Electromagnetic Stirring in Continuous Casting

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Abstract

To alleviate macrosegregation, it is the first time that an electromagnetic nozzle swirling flow is applied with a mold electromagnetic stirrer (M-EMS) during continuous casting of square and round billets. Compared with those by only M-EMS, the carbon ranges in square and round billets can be reduced to 0.022 and 0.046 pct, respectively, and the equiaxed crystal ratios are 18 and 33 pct, respectively, by using opposite nozzle swirling flow.

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The authors are grateful to the National Key R&D Program of China (Grant No. 2017YFB0304402), the National Natural Science Foundation of China (Grant No. U1560207), Liaoning Innovative Research Team in University (Grant No. LT2017011), the Fundamental Research Funds for the Central Universities (Grant No. N180915002), and Hebei Natural Science Foundation (Grant No. E2019501008). Special thanks are due to the instrumental or data analysis from Analytical and Testing Center, Northeastern University.

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Authors and Affiliations

  1. Key Laboratory of Electromagnetic Processing of Materials (Ministry of Education), Northeastern University, Shenyang, 110819, P.R. China

    Chunlei Wu, Xiaowei Zhu, Xiaoming Liu, Lijia Zhao, Hong Lei & Qiang Wang

  2. School of Metallurgy, Northeastern University, Shenyang, 110819, P.R. China

    Chunlei Wu & Xiaoming Liu

  3. School of Resources and Materials, Northeastern University at Qinhuangdao, Qinhuangdao, 066004, P.R. China

    Dewei Li

  4. State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang, 110819, P.R. China

    Xiaowei Zhu

  5. Laiwu Subsidiary, Shandong Iron and Steel Co., Ltd, Jinan, 271104, P.R. China

    Hongyan Shi

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  1. Chunlei Wu
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  2. Dewei Li
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  3. Xiaowei Zhu
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  4. Hongyan Shi
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  5. Xiaoming Liu
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  6. Lijia Zhao
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  7. Hong Lei
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  8. Qiang Wang
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Correspondence to Qiang Wang.

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Manuscript submitted January 24, 2021, accepted March 10, 2021.

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Wu, C., Li, D., Zhu, X. et al. Experimental Study of Macrostructure and Segregation by a Novel Electromagnetic Nozzle Swirling Flow Combined with Electromagnetic Stirring in Continuous Casting. Metall Mater Trans B 52, 1207–1212 (2021). https://doi.org/10.1007/s11663-021-02151-4

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  • DOI: https://doi.org/10.1007/s11663-021-02151-4

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