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J. Korean Ceram. Soc. > Volume 25(4); 1988 > Article
Journal of the Korean Ceramic Society 1988;25(4): 373.
Sol-Gel법에 의한 Al2O3-ZrO2계 분말제조에 있어서 결정화 및 Seeding 효과
오한석, 홍기곤, 이홍림
연세대학교 공과대학 요업공학과
Effects of Crystallization and Seeding on Characteristics of Al2O3-ZrO2 Powder Prepared by a Sol-Gel Method
$alpha$-Al2O3-15m/o ZrO2 powder was prepared by a sol-gel method from boehmite and zirconium acetate. The transformation temperature of boehmite to $alpha$-Al2O3 in the system Al2O3-ZrO2 was increased due to the coupled crystallization. On the other hand, the transformation temperature from boehmite to $alpha$-Al2O3-15m/o ZrO2 could be prepared at 110$0^{circ}C$ for 100min. The specific surface area of the product of $alpha$-Al2O3-15m/o ZrO2 was 13.2$m^2$/g.
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