Effects of CaO and Al<sub>2</sub>O<sub>3</sub> Added to MgO-C Refractories on MgO-C Reaction

  • ZHANG Shaowei
    Department of Materials Science and Engineering, Nagoya Institute of Technology
  • YAMAGUCHI Akira
    Department of Materials Science and Engineering, Nagoya Institute of Technology

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  • MgO-C系耐火物におけるMgOとCとの反応に及ぼす添加されたCaO及びAl<sub>2</sub>O<sub>3</sub>の影響
  • Effects of CaO and Al2O3 Added to MgO C

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Abstract

Effects of CaO and Al2O3 on the reaction between MgO and C have been investigated and corresponding mechanisms have been proposed. A small amount (within the solubility limit) of Al2O3 slightly inhibited the MgO-C reaction, but a small amount (within the solubility limit) of CaO had little effect on the MgO-C reaction. Large amounts (above the solubility limits) of Al2O3 or CaO accelerated the MgO-C reaction.

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