J. Korean Ceram. Soc. > Volume 23(5); 1986 > Article
 Journal of the Korean Ceramic Society 1986;23(5): 35.
 Tricalcium Silicate의 초기수화반응(I) 오희갑, 최상흘1 쌍용 중앙연구소1한양대학교 무기재료공학과 Early Hydration of Ticalcium Silicate(I) ABSTRACT The early hydration of tri-calcium silicate $(C_3S)$ with different cooling conditions was studied by varing water/solid ratio and atmosphere. The cooling condition and water/solid ratio affected to the second peak of heat liberation but it had no correlation to the induction period. The $Ca^{2+}$ concentration in the aqueous solution was maximized at the starting point of the second peak of heat liberation but in the $CO_2$ exsistence the $Ca^{2+}$ concentration was low and $SiO_2$ con-centration was increased. The hydration rate of $C_3S$ was so accelerated that the induction period could not appear in the $CO_2$ exsistence.
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