Sintering of Al2O3–TiC Composite in the Presence of Liquid Phase |
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| Authors: | Ki-Woong Chae† Doh-Yeon Kim Koichi Niihara |
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| Affiliation: | Department of Inorganic Materials Engineering, College of Engineering (400), Seoul National University, Seoul 151–742, Korea;The Institute of Scientific and Industrial Research, Osaka University, Osaka 567, Japan |
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| Abstract: | The results obtained from the sintering of Al2O3–50TiC (in weight percent) composite in the temperature range from 1650° to 1800°C with addition of Y2O3 are presented. Densification is accelerated by the formation of liquid at temperatures above 1750°C, and 99% of theoretical density can be achieved by vacuum sintering at 1800°C for 15 min. The liquid presented at the sintering temperature is crystallized to YAG (Y3Al5O12) during cooling. |
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