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High Temperature Stability of Oxycarbide Glasses

Published online by Cambridge University Press:  25 February 2011

Hanxi Zhang  and
Carlo G. Pantano
Hanxi Zhang
Affiliation:
Department of Materials Science and Engineering, The Pennsylvania State University, University Park, Pa 16802
Carlo G. Pantano
Affiliation:
Department of Materials Science and Engineering, The Pennsylvania State University, University Park, Pa 16802
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Abstract

The stability of silicon oxycarbide glasses has been studied at temperatures up to 1500°C. The silicon oxycarbide glasses were synthesized using a sol/gel process. The pyrolysis treatment in argon influenced the structure and composition of the synthesized glasses, and in turn, their high temperature stability in oxidizing atmosphere. The oxycarbide glasses pyrolyzed at > 1000°C had lower hydrogen concentration and a more polymerized network structure, and thereby were more resistant to oxidation and crystallization at higher temperatures.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 271: Symposium N – Better Ceramics Through Chemistry V , 1992 , 783
Copyright
Copyright © Materials Research Society 1992

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References

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