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Advances in the Development of Silicon Nitride and Other Ceramics

[+] Author Affiliations
W. Dave Carruthers

Dave Carruthers & Associates, Battle Ground, WA

Mark van Roode

Solar Turbines, Incorporated, San Diego, CA

Paul F. Becher, Mattison K. Ferber

Oak Ridge National Laboratory, Oak Ridge, TN

John Pollinger

Tetralux Engineering, Los Angeles, CA

Paper No. GT2002-30504, pp. 67-76; 10 pages
  • ASME Turbo Expo 2002: Power for Land, Sea, and Air
  • Volume 4: Turbo Expo 2002, Parts A and B
  • Amsterdam, The Netherlands, June 3–6, 2002
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 0-7918-3609-6 | eISBN: 0-7918-3601-0
  • Copyright © 2002 by ASME


The use of silicon nitride for high temperature components in gas turbine engine and other heat engine applications continues to be sought due to the potential for significant improvements in both efficiency and emissions. However, low impact resistance and inadequate resistance to environmental degradation of current materials reduce its reliability for rotating and stationary components. Material improvements are needed to overcome these limitations. Potential and demonstrated methods to achieve improved fracture toughness, strength, and high temperature environmental resistance are reviewed.

Copyright © 2002 by ASME



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