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Development of Silicon Nitride Turbine Rotors
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English
Abstract
This paper describes fabrication of silicon nitride radial turbine wheels 90 mm in diameter. The wheels were hot spin tested without failure at turbine tip speeds up to 600 m/s.
The reliability of shrink fit of metal shaft and ceramic wheel was demonstrated in a turbocharger test.
Results of the hot spin test are discussed in relation to the nature of defects and compared with the analytic prediction using Weibull statistics and finite element analysis.
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Citation
Miyauchi, J. and Kobayashi, Y., "Development of Silicon Nitride Turbine Rotors," SAE Technical Paper 850313, 1985, https://doi.org/10.4271/850313.Also In
References
- Satoh, H. et al. Proc. 1983 Tokyo Int. Gas Turbine Congr., IGTC-88 1984 683
- Sato, T. et al. Proc. 1983 Tokyo Int. Gas Turbine Congr., IGTC-8 1984 59
- Kaneno, M. Oda, I. SAE Paper, 840013 1984
- Weibuil, W. Ing. Vetenskaps Akad. Handl. 151 1939