CO<SUB>2</SUB>-CO混合ガスと平衡する酸化鉄融液の密度

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書誌事項

タイトル別名
  • Density of Iron Oxide Melts in Equilibrium with CO<SUB>2</SUB>-CO Gas Mixtures
  • CO2-CO混合ガスと平衡する酸化鉄融液の密度
  • CO2-CO コンゴウ ガス ト ヘイコウ スル サンカテツユウエキ ノ ミツド

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説明

Densities of iron oxide melts in equilibrium with CO2-CO gas mixtures have been measured by the Archimedean method employing the double-bob technique. The explored temperature range is 1450 to 1525°C and composition range is Fe3+/ΣFe=0.093 to 0.358. At constant temperatures densities of the melts decrease with increase of Fe3+ content. At higher Fe3+ contents this decrease of density becomes more gradual. At constant compositions densities decrease linearly with increase of temperature. Expansivities of the melts decrease with increase of Fe3+ content. The results are interpreted with a proposed model on the constitution of the melts. It is pointed out that oxygen ions are much more closely attracted to Fe3+ than to Fe2+ and this is responsible for the trends in the relations of both density and expansivity with composition.

収録刊行物

  • 鉄と鋼

    鉄と鋼 54 (11), 1123-1127, 1968

    一般社団法人 日本鉄鋼協会

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