2CaO・SiO<sub>2</sub>-3CaO・B<sub>2</sub>O<sub>3</sub>系に生成する鉱物の研究

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書誌事項

タイトル別名
  • Study on the System of 2CaO⋅SiO<sub>2</sub>-3CaO⋅B<sub>2</sub>O<sub>3</sub>
  • 2CaO SiO2-3CaO B2O3ケイ ニ セイセイ スル コウブツ ノ ケンキュウ エイブン

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説明

The new compounds of two types (high temperature stable form and low temperature stable form) were found in the system of 2CaO⋅SiO2-3CaO⋅B2O3. The molecular formula is 11CaO⋅4SiO2⋅B2O3 and their lattice lengths are a 10.65Å, b 55.43Å and c 6.89Å for high temperature stable form, and a 31.96Å, b 55.20Å and c 6.83Å for low temperature stable form as orthorhombic. These two forms may perhaps have the similar structure to α′-2CaO⋅SiO2, but make a quite different unique compound. 3CaO⋅B2O3 was synthesized and the lattice constants and the crystal system were investigated as a 14.96Å, c 1.86Å and the space group P31 c or P31 c as trigonal. Finally the phase equilibria among these compounds were investigated.

収録刊行物

  • 窯業協會誌

    窯業協會誌 78 (898), 189-195, 1970

    公益社団法人 日本セラミックス協会

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