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J. Korean Ceram. Soc. > Volume 20(2); 1983 > Article
Journal of the Korean Ceramic Society 1983;20(2): 123.
Al-Kaolin 혼합물의 Mullite화 반응
박정현, 조정식, 배원태
연세대학교 공과대학 요업공학과
Mullitization of Al-Kaolin Mixture
ABSTRACT
This research is aimed to synthesize the mullite by adding Al powder of $Al_2O_3$ to kaolin. Specimens fired at 1400, 1450 and 150$0^{circ}C$ were compared in their X-ray diffraction patterns quantitative analysis of mullite formed and fine microstructures with those containing reactive $Al_2O_3$ activated $Al_2O_3$ as alumina source The experiment of Al oxdiation was also performed by measuring the weight increase of specimens. Two different shapes of mullites acicular and chunky were observed by SEM and the yield of mullites were in-creased by the order of adding activated $Al_2O_3$ reactive $Al_2O_3$ and Al powder to kaolin.
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