連続鋳造過程における溶鋼中へのマグネシウム蒸気添加による不均質核生成の制御

書誌事項

タイトル別名
  • Control of Heterogeneous Nucleation in Carbon Steel by Magnesium Vapor Injection during Continuous Casting
  • レンゾク チュウゾウ カテイ ニ オケル ヨウコウ チュウ エ ノ マグネシウム ジョウキ テンカ ニ ヨル フキンシツカク セイセイ ノ セイギョ

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説明

<p>The behavior of magnesium vapor injected in the molten steel and the potential of magnesium vapor for the miniaturization of TiN were evaluated via continuous casting experiments. The position where magnesium vapor should be injected was determined through a non-steady state three-dimensional numerical simulation for molten steel flow in a tundish. The yield of magnesium in the molten steel was changed by the injection position. A high additive yield was achieved when magnesium vapor was injected between the immersion nozzle and the narrow wall of the tundish. The concentration of the soluble magnesium was maintained using a novel method that continuously added magnesium vapor into the molten steel in the tundish, which also ensured stable miniaturization of TiN.</p>

収録刊行物

  • 鉄と鋼

    鉄と鋼 108 (1), 11-21, 2022

    一般社団法人 日本鉄鋼協会

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