Fe<SUB>2</SUB>O<SUB>3</SUB>あるいはCaF<SUB>2</SUB>を含有する溶融CaO-SiO<SUB>2</SUB>-Al<SUB>2</SUB>O<SUB>3</SUB>系中の酸素の透過度

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タイトル別名
  • Permeabilities of Oxygen through Molten CaO-SiO<SUB>2</SUB>-Al<SUB>2</SUB>O<SUB>3</SUB> System with Fe<SUB>2</SUB>O<SUB>3</SUB> or CaF2
  • Fe2O3あるいはCaF2を含有する溶融CaO-SiO2-Al2O3系中の酸素の透過度
  • Fe2O3 アルイハ CaF2 オ ガンユウスル ヨウユウ CaO SiO2

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The permeabilities of oxygen through the molten Fe2O3-CaO-SiO2-Al2O3and CaF2-CaO-SiO2-Al2O3systems were measured by means of an experimental procedure which was developed by the authors. Those trough the Fe2O3-CaO-SiO2-Al203and CaF2-CaO-SiO2-Al2O3melts were found to be in the range of 1×10-8to 1×10-6and 5×10-12to 5×10-8moles O2/cm·s, respectively. The permeability was raised by a factor of 10 to the 10th power when 0.2 wt% of Fe2O3was added to 40 wt%CaO-40 wt%SiO2-20 wt% Al2O3melt. The permeabilities through the molten slags with Fe2O3are proportional to the 1/4th power of oxygen partial pressure in the atmosphere. The permeabilities through the molten slags without Fe2O3are directly proportional to the oxygen partial pressure in the atmosphere. They increase when CaF2is added to the Fe2O3-CaO-SiO2-Al2O3melt.

収録刊行物

  • 鉄と鋼

    鉄と鋼 65 (12), 1727-1736, 1979

    一般社団法人 日本鉄鋼協会

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