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Interfacial Phenomena and Inclusion Formation at Early Melting Stages of Lanthanum Ferroalloys in a Non-Oriented Electrical Steel

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Abstract

The dissolution behavior of lanthanum ferroalloy in a non-oriented electrical steel was investigated using a quartz sampler by controlling the contact time between the ferroalloy and molten steel. As the contact time increased, the network microstructure of the lanthanum was continuously destroyed and migrated towards the molten steel. The dissolved lanthanum reacted with the dissolved elements in the steel including Si, As, P and S. The formation sequence of inclusions was La-S → La-P-(As) → La-Si.

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Acknowledgments

The authors are grateful for support from the National Natural Science Foundation China (Grant Nos. 52104342, U1860206, 51725402), the High Steel Center (HSC) at Yanshan University, Beijing International Center of Advanced and Intelligent Manufacturing of High Quality Steel Materials (ICSM) and the High Quality Steel Consortium (HQSC) at University of Science and Technology Beijing, China.

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

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Authors and Affiliations

  1. School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing (USTB), Beijing, 100083, China

    Yuexin Zhang & Yubao Liu

  2. School of Mechanical Engineering, Yanshan University, Qinhuangdao, 066004, China

    Qiang Ren

  3. State Key Lab of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao, 066004, China

    Lifeng Zhang

  4. Baotou Research Institute of Rare Earths, Baotou, 014010, China

    Yubao Liu

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  1. Yuexin Zhang
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  2. Qiang Ren
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  3. Lifeng Zhang
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  4. Yubao Liu
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Correspondence to Qiang Ren or Lifeng Zhang.

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Zhang, Y., Ren, Q., Zhang, L. et al. Interfacial Phenomena and Inclusion Formation at Early Melting Stages of Lanthanum Ferroalloys in a Non-Oriented Electrical Steel. Metall Mater Trans B 53, 662–669 (2022). https://doi.org/10.1007/s11663-021-02422-0

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  • DOI: https://doi.org/10.1007/s11663-021-02422-0

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