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Oxygen refining of molten high-carbon ferromanganese

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Abstract

The effects of the oxygen/argon mixing ratio and temperature on the decarburization behaviour of high-carbon ferromanganese melts were investigated. The decarburization reaction was promoted and the oxidation reaction of manganese diminished by increasing temperature and decreasing the oxygen/argon mixing ratio. However, the carbon content in the melt appeared to increase during blowing at low temperatures and high oxygen/ argon mixing ratios because of faster manganese oxidation. An empirical equation was derived to predict the utilization ratio of oxygen for decarburization. The lower oxygen/argon mixing ratio and higher melt temperature were found to be essential in enhancing the efficiency of decarburization and suppressing the oxidation of manganese in the early stage of oxygen/argon refining of high-carbon ferromanganese melts.

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Authors and Affiliations

  1. Division of Materials Science and Engineering, Inha University, 253 Yonghyun-dong, Nam-ku, 402-751, Inchon, Korea

    Byung-Don You, Kab-Yong Park, Jong-Jin Pak & Jeong-Whan Han

  2. Department of Metallurgical and Materials Engineering, Hanyang University, 396 Daehak-dong, 425-791, Ansan, Korea

    Jong-Jin Pak

Authors
  1. Byung-Don You
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  2. Kab-Yong Park
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  3. Jong-Jin Pak
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  4. Jeong-Whan Han
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You, BD., Park, KY., Pak, JJ. et al. Oxygen refining of molten high-carbon ferromanganese. Metals and Materials 5, 395–399 (1999). https://doi.org/10.1007/BF03187764

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  • DOI: https://doi.org/10.1007/BF03187764

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