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J. Korean Ceram. Soc. > Volume 20(1); 1983 > Article
Journal of the Korean Ceramic Society 1983;20(1): 13.
한국 석회석의 열분해특성 및 가열에 의한 상변화에 관한 연구
한기성, 안기상, 최롱1
인하대학교 무기재료공학과
Dissociation characteristics and thermal phase changes of Korean limestones
The investigations have been carried out to study the characteristics of limestone using in Korean cement industry with prime interests in the dissociation and thermal phase changes of limestone between 90$0^{circ}C$ and 140$0^{circ}C$ The range of decomposition temperature of limestone was 840-87$0^{circ}C$ and it was considered that the temperature was lowered by impurities in the limestone. The more the impurities and the finer the grain size of quartz in limestone the lower temperature was applied in forming $C_2S$ mineral the temperature of about 100$0^{circ}C$. The major clinker minerals such as $C_3S$, $C_2S$, $C_3A$ and $C_4AF$ were formed in most of limestone when the firing temperature was up to 130$0^{circ}C$
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