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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 |
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| ABSTRACT |
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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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