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High Temperature Stability of Oxycarbide Glasses

  • Hanxi Zhang (a1) and Carlo G. Pantano (a1)

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.

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High Temperature Stability of Oxycarbide Glasses

  • Hanxi Zhang (a1) and Carlo G. Pantano (a1)

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