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Mg-Ca Alloys Produced by Reduction of CaO: Understanding of ECO-Mg Alloy Production

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Abstract

There have been long debates about the environment conscious (ECO) Mg technology which utilizes CaO to produce Ca-containing Mg alloys. Two key process technologies of the ECO-Mg process are the chemical reduction of CaO by liquid Mg and the maintenance of melt cleanliness during the alloying of Ca. Thermodynamic calculations using FactSage software were performed to explain these two key issues. In addition, an experimental study was performed to compare the melt cleanliness of the Ca-containing Mg alloys produced by the conventional route with metallic Ca and the ECO-Mg route with CaO.

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Acknowledgments

This research was supported by the NSERC Discovery Grant No. 356296 CANADA, and International Collaboration Project of KITECH, KOREA in 2011.

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Authors and Affiliations

  1. Department of Mining and Materials Engineering, McGill University, 3610 University Street, Montreal, QC, H3A 0C5, Canada

    In-Ho Jung

  2. EMK Co. Ltd., 128 Cheomdansaneop 1-ro, Chungju-si, Chungcheongbuk-do, 27466, Korea

    Jin Kyu Lee

  3. Korea Institute of Industrial Technology, 156 Gaetbeol-ro, Incheon, Yeonsu-gu, 21999, Korea

    Shae K. Kim

Authors
  1. In-Ho Jung
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  2. Jin Kyu Lee
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Correspondence to In-Ho Jung.

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Manuscript submitted June 2, 2016.

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Jung, IH., Lee, J.K. & Kim, S.K. Mg-Ca Alloys Produced by Reduction of CaO: Understanding of ECO-Mg Alloy Production. Metall Mater Trans B 48, 1073–1078 (2017). https://doi.org/10.1007/s11663-016-0875-7

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  • DOI: https://doi.org/10.1007/s11663-016-0875-7

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