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Melt-Infiltrated SiC Composites for Gas Turbine Engine Applications

[+] Author Affiliations
Gregory N. Morscher

Ohio Aerospace Institute, Cleveland, OH

Vijay V. Pujar

Goodrich Corporation, Brecksville, OH

Paper No. GT2004-53196, pp. 353-359; 7 pages
doi:10.1115/GT2004-53196
From:
  • ASME Turbo Expo 2004: Power for Land, Sea, and Air
  • Volume 2: Turbo Expo 2004
  • Vienna, Austria, June 14–17, 2004
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 0-7918-4167-7 | eISBN: 0-7918-3739-4
  • Copyright © 2004 by ASME

abstract

SiC-SiC ceramic matrix composites (CMCs) manufactured by the melt-infiltration (MI) process are leading candidates for many hot-section turbine engine components. A collaborative program between Goodrich Corporation and NASA-Glenn Research Center is aimed at determining and optimizing woven SiC/SiC CMC performance and reliability. A variety of composites with different fiber types, interphases and matrix composition have been fabricated and evaluated. Particular focus of this program is on the development of interphase systems that will result in improved intermediate temperature stressed-oxidation properties of this composite system. The effect of the different composite variations on composite properties is discussed and, where appropriate, comparisons made to properties that have been generated under NASA’s Ultra Efficient Engine Technology (UEET) Program.

Copyright © 2004 by ASME

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