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Hot Pressed Silcon Nitride for Gas Turbine Applications FREE

[+] Author Affiliations
M. L. Torti, G. Q. Weaver, D. W. Richerson

Norton Co., Worchester, MA

Paper No. 72-GT-19, pp. V001T01A019; 5 pages
doi:10.1115/72-GT-19
From:
  • ASME 1972 International Gas Turbine and Fluids Engineering Conference and Products Show
  • ASME 1972 International Gas Turbine and Fluids Engineering Conference and Products Show
  • San Francisco, California, USA, March 26–30, 1972
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7981-8
  • Copyright © 1972 by ASME

abstract

The high strengths now attainable with hot pressed silicon nitride combined with its good oxidation and thermal shock resistance make it a most promising candidate for advanced gas turbine hot components. This form of silicon nitride has flexural strengths of 110,000 psi at room temperature and 60,000 psi at 1200 C. A recent experimental version of the system has exhibited room temperature strength of 145,000 psi and elevated temperature (1200 C) strength of 100,000 psi. This may be the highest strength reported on any material at this elevated temperature.

Copyright © 1972 by ASME
Topics: Gas turbines
This article is only available in the PDF format.

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