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Microwave Curing of Silicon Carbide Ceramics from a Polycarbosilane Precursor

Published online by Cambridge University Press:  15 February 2011

Tzyy-Heng Alex Shan  and
Robert Cozzens
Tzyy-Heng Alex Shan
Affiliation:
Dept. Chem., Yonglai Tian, Iftikhar Ahmad, Dept. Elec, and Computer Eng., George Mason University, Fairfax, VA 22030
Robert Cozzens
Affiliation:
Dept. Chem., Yonglai Tian, Iftikhar Ahmad, Dept. Elec, and Computer Eng., George Mason University, Fairfax, VA 22030
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Abstract

Silicon carbide ceramic materials have been successfully formed from commercially available polycarbosilane using microwave radiation as the sole source of heat. Conventional thermal processing of the same polymeric precursor was also studied for comparison with microwave processing. Microwave heating enhances crystallinity at much lower curing temperature and within shorter times. Possible explanations for microwave enhanced processing are proposed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 347: Symposium O – Microwave Processing of Materials IV , 1994 , 729
Copyright
Copyright © Materials Research Society 1994

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References

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