ＣａＳＯ?S４?T・２Ｈ?S２?TＯ，Ｃａ（ＯＨ）?S２?T溶液における１２ＣａＯ・７Ａｌ?S２?TＯ?S３?T組成のガラスの水和特性

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タイトル別名
  • The Hydration Behaviors of Glassy 12CaO⋅7Al<sub>2</sub>O<sub>3</sub> in the Solution of CaSO<sub>4</sub>⋅2H<sub>2</sub>O or Ca(OH)<sub>2</sub>
  • CaSO4 2H2O Ca OH 2 ヨウエキ ニ オケル 12CaO 7Al

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The authors investigated the hydration behaviors of glassy 12CaO⋅7Al2O3 containing SiO2 (3wt%) in the solution of CaSO4⋅2H2O or Ca(OH)2. The results were summarized as follows:<br>(1) Glassy 12CaO⋅7Al2O3 hydrated more slowly than crystalline 12CaO⋅7Al2O3.<br>(2) The eluted quantities of CaO or Al2O3 from glassy 12CaO⋅7Al2O3-H2O system were lower than crystalline 12CaO⋅7Al2O3, and they were CaO 0.6g/l, Al2O3 2.2g/l at long time.<br>(3) Ettringite formed at the first period of the hydration in the saturated solution or the suspension of CaSO4⋅2H2O. And 3CaO⋅Al2O3⋅6H2O formed in the saturated solution or the suspension of Ca(OH)2, while C2AH8 formed from crystalline 12CaO⋅7Al2O3.

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  • 窯業協會誌

    窯業協會誌 87 (1008), 400-404, 1979

    公益社団法人 日本セラミックス協会

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