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Oxidation and Strength of Silicon Nitride and Silicon Carbide

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Ceramics for High-Performance Applications III

Part of the book series: Army Materials Technology Conference Series ((MTCS,volume 1))

Abstract

Ceramic components in a gas turbine have to operate in an oxidizing atmosphere at high temperatures. Nonoxides like Si3N4 and SiC, easily oxidizing materials, have to withstand this attack for long times without changing their characteristics.

The results of laboratory investigations on oxidation resistance and long time stability of Si3N4 and SiC are described. Recent materials show a satisfactory resistance against oxidation. Nevertheless, all materials investigated show changes in strength after annealing. Durability problems of ceramic components may arise from the strength degradation behaviour shown by nearly all materials at certain temperature levels.

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References

  1. P. Walzer, M. Langer, J. Siebels, “Development of Multi-Density Silicon Nitride Turbine Rotors” Proceedings of the 5th Army Material Technology Conference, 1977

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  2. P. Walzer, J. Siebeis, “Stand der Entwicklung eines Turbinenlaufrades aus einem Siliziumnitrid-Verbund”, Keramische Komponenten für Fahrzeug-Gasturbinen, Springer-Verlag, Berlin; 1978

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  3. S. W. Freiman, J. J. Mecholsky, W. J. Mc Donough, R. W. Rice, “Effect of Oxidation on the Room Temperature Strength of Hot-Pressed Si3N4-MgO and Si3N4-ZrO2”, Proceedings of the 5th Army Materials Technology Conference, 1977

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  4. J. Siebels, German patent P 28 22 627. 9

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© 1983 Plenum Press, New York

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Siebels, J.E. (1983). Oxidation and Strength of Silicon Nitride and Silicon Carbide. In: Lenoe, E.M., Katz, R.N., Burke, J.J. (eds) Ceramics for High-Performance Applications III. Army Materials Technology Conference Series, vol 1. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-3965-6_40

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  • DOI: https://doi.org/10.1007/978-1-4684-3965-6_40

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4684-3967-0

  • Online ISBN: 978-1-4684-3965-6

  • eBook Packages: Springer Book Archive

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