Development of Silicon Nitride Rotors for the ATTAP Program at Garrett Ceramic Components PUBLIC ACCESS

[+] Author Affiliations
B. J. Busovne, Jr., J. P. Pollinger

Allied-Signal Aerospace Company, Torrance, CA

Paper No. 91-GT-154, pp. V005T13A010; 8 pages
  • ASME 1991 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award; General
  • Orlando, Florida, USA, June 3–6, 1991
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7902-3
  • Copyright © 1991 by ASME


The development and fabrication of reliable high temperature-high strength silicon nitride rotors by Garrett Ceramic Components (GCC) for the Advanced Turbine Technology Applications Project (ATTAP) is discussed. GCC’s progress will be presented, including mechanical properties characterization, in-process monitoring development, and extensive NDE analysis. The current status of material, process, and part properties of the rotors being developed will be compared to properties required for implementation and successful operation of advanced gas turbine engines at 2500°F.

Copyright © 1991 by ASME
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