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Densification kinetics of Alumina During Microwave Sintering

Published online by Cambridge University Press:  25 February 2011

Jiping Cheng
Affiliation:
Wuhan University of Technology, Advanced Materials Research Institute Wuhan 430070, China
Jinyu Qiu
Affiliation:
Wuhan University of Technology, Advanced Materials Research Institute Wuhan 430070, China
Jian Zhou
Affiliation:
Wuhan University of Technology, Advanced Materials Research Institute Wuhan 430070, China
Neng Ye
Affiliation:
Wuhan University of Technology, Advanced Materials Research Institute Wuhan 430070, China
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Abstract

Some kinetics parameters of alumina during microwave sintering were studied and compared with that during conventional sintering. The results demonstrated that the sintering rates for microwave processing were much greater than that for conventional processing, and the grain growth of alumina was rapid with prolonged time at high temperature in a microwave field. It was indicated that the microwave sintering at higher temperatures for a shorter time was favorable for preparing high density and fine-grained alumina ceramics.

Type
Research Article
Copyright
Copyright © Materials Research Society 1992

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References

1. Bruce, R.W., Microwave Processing of Materials. edited by Sutton, W.H. et al.(Mater. Res. Soc. Proc. 124, Pittsburgh, PA 1988), pp. 316 Google Scholar
2. Cheng, J.P., Ph.D thesis, Wuhan University of Technology, 1991 Google Scholar
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4. Brook, R.J., in Treatises on Materials Science and Technology, edited by Wang, FE (Academic Press, New York, 1976), pp. 331364 Google Scholar
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7. Zhou, W.Y., ME thesis, Wuhan University of Technology, 1990 Google Scholar

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