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J. Korean Ceram. Soc. > Volume 29(4); 1992 > Article
Journal of the Korean Ceramic Society 1992;29(4): 305.
Microwave로 가열한 알루미나의 소결 및 입성장 거동
김도형, 오성록, 김종희
한국과학기술원 무기재료공학과
Densification and rain Growth of Alumina Heated by Microwave
As compared with conventional sintering, rapid heating in microwave system could enhance sinterability and final properties of alumina with a very short sintering time. In this study microwave sintering was performed using zirconia brick as a reaction chamber which was positioned in a 2.45 GHz(700 W) multimode microwave cavity. Microwave-sintered alumina showed high density and smaller grain size than conventionally sintered alumina because the ratio of densification rate/grain growth rate was increased by rapid heating.
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