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J. Korean Ceram. Soc. > Volume 24(5); 1987 > Article
Journal of the Korean Ceramic Society 1987;24(5): 423.
졸-겔법을 이용하여 제조한 Al2O3-ZrO2 세라믹스에 미치는 하소온도의 영향
우상국, 김종희1
1한국과학기술원 재료공학과
Effect of Calcination Temperature on Al2O3-ZrO2 Ceramic Prepared by Sol-Gel Process
Characteristics of Al2O3-ZrO2 powders prepared by sol-gel process and their sintering behavior were investigated as a function of calcination temperature. The sol-gel processed powders were calcined at 800, 900, 1000, 1100, 1200$^{circ}C$, and analyzed by X-ray diffraction technique. Pore size and distribution of green compact of the calcined powders were measured by mercury porosimeter. It is suggested that the optimal temperature of calcination for the sintering of Al2O3-ZrO2 powder prepared by sol-gel process is 1100$^{circ}C$. In the Al2O3-17vol.% ZrO2 sintered specimen, which was sintered at 1600$^{circ}C$ for 2hrs in air, 69vol.% tetragonal phse existed.
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