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B Removal by Zr Addition in Electromagnetic Solidification Refinement of Si with Si-Al Melt

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Abstract

This study investigated a new process of enhancing B removal by adding small amounts of Zr in the electromagnetic solidification refinement of Si with Si-Al melt. B in Si was removed by as much as 97.2 pct by adding less than 1057 ppma Zr, and the added Zr was removed by as much as 99.7 pct. In addition, Zr is more effective in enhancing B removal than Ti in the same electromagnetic solidification refining process.

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This study was sponsored by the National Natural Science Foundation of China (Grant Nos. 51504118 and 51334002) and People Cultivation Project of Yunnan Province (KKSY201452087).

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Authors and Affiliations

  1. State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming University of Science and Technology, Kunming, 650093, P. R. China

    Yun Lei (Associate Professor), Wenhui Ma (Professor) & Yongnian Dai (Professor)

  2. National Engineering Laboratory for Vacuum Metallurgy, Kunming University of Science and Technology, Kunming, 650093, P. R. China

    Yun Lei (Associate Professor), Wenhui Ma (Professor) & Yongnian Dai (Professor)

  3. Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, P. R. China

    Luen Sun (Graduate Student (Master’s)

  4. Department of Materials Engineering, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan

    Kazuki Morita (Professor)

Authors
  1. Yun Lei
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  2. Wenhui Ma
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  3. Luen Sun
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  4. Yongnian Dai
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  5. Kazuki Morita
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Corresponding authors

Correspondence to Yun Lei or Wenhui Ma.

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Manuscript submitted March 29, 2015.

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Lei, Y., Ma, W., Sun, L. et al. B Removal by Zr Addition in Electromagnetic Solidification Refinement of Si with Si-Al Melt. Metall Mater Trans B 47, 27–31 (2016). https://doi.org/10.1007/s11663-015-0506-8

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  • DOI: https://doi.org/10.1007/s11663-015-0506-8

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