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J. Korean Ceram. Soc. > Volume 48(6); 2011 > Article
Journal of the Korean Ceramic Society 2011;48(6): 589.
doi: https://doi.org/10.4191/kcers.2011.48.6.589
고로 슬래그를 사용한 용융클링커의 광물학적 특성
추용식, 서성관, 임두혁, 송훈, 이종규, 이승호
한국세라믹기술원 그린세라믹본부
Mineral Properties of Molten Clinker with Blast Furnace Slag
Yong-Sik Chu, Sung-Kwan Seo, Du-Hyuk Im, Hun Song, Jong-Kyu Lee, Seung-Ho Lee
Green Ceramic Division, Korea Institute of Ceramic Engineering & Techmology
Raw mix of molten clinker was fabricated using blast furnace slag as starting material. Raw mix was melted at 1620$^{circ}C$ for molten clinker fabrication. It was found that molten clinker contained alite and belite equivalent to OPC clinker mineral by optical microscope and SEM. The size of alite was 10~50 ${mu}m$ and that of belite was 20~80 ${mu}m$. This result thought to be attributed low $Al_2O_3$ content and cooling condition. Interstitial phase increased with blast furnace slag content and gehlenite was formed by the condition of LSF and SM. So raw mix with 27~41% blast furnace slag could be converted into cement clinker by appropriate choice of melting andcooling methods in this study.
Key words: Molten clinker, BF slag, Clinker modulus, Clinker mineral
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