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J. Korean Ceram. Soc. > Volume 26(5); 1989 > Article
Journal of the Korean Ceramic Society 1989;26(5): 625.
Aluminium Silicate Gel의 Mullite화
이광식, 이형복, 정윤중
명지대학교 공과대학 무기재료공학과
Mullitization of Aluminium Silicate Gel
ABSTRACT
Aluminium silicate gels were prepared by gel-technique using Al(OH)3 and TEOS as starting materials. Aluminium silicate gel as formed mullite at 120$0^{circ}C$. From this method, homogeneous mullite was formed available needle-like shaped and close compacted. As excess SiO2 mullite composition, the needle-like shaped crystal, size according to increased with SiO2, was increased from 3${mu}{textrm}{m}$ to 7${mu}{textrm}{m}$ but liquid phase did not affect the formation of needle-like shaped mullite. As excess Al2O3 mullite composition, the needle-shape mullite crystal could not be detected because Al2O3 acted as chunky behavior.
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