塩化ナトリウムを用いたディオプサイドの結晶成長

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タイトル別名
  • The Crystal Growth of Diopside Using NaCl
  • エンカ ナトリウム オ モチイタ ディオプサイド ノ ケッショウ セイチョウ

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Diopside (CaO⋅MgO⋅2SiO2) crystals have been grown in molten alkali halides. Natural dolomite (CaCO3⋅MgCO3) and α-quartz were found to be the best starting materials, NaCl being the most suitable flux. Characterization has been made with crystals obtained under the following conditions: R1=α-quartz/dolomite (molar ratio), R2=starting material/flux (weight ratio), soaking temperature and soaking period. When soaked at 1100°C for 12h with R2=0.02, the following results were obtained.<br>(1) Monticellite (CaO⋅MgO⋅SiO2) was synthesized with 0.25≤R1≤1.00, åkermanite (2CaO⋅MgO⋅2SiO2) with 0.75≤R1≤1.75 and diopside, with 1.25≤R1≤3.00.<br>(2) The well grown diopside crystals had a maximum size of 2.0×1.5×0.5mm (plate), 1.0×1.0×0.8mm (polyhedron), φ0.3×4.0mm (needle).

収録刊行物

  • 窯業協會誌

    窯業協會誌 93 (1079), 376-381, 1985

    公益社団法人 日本セラミックス協会

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