Metal-Reinforced Ceramic Composites for Turbine Vanes PUBLIC ACCESS

[+] Author Affiliations
S. A. Bortz

ITT Research Institute, Chicago, IL

Paper No. 72-GT-51, pp. V001T01A050; 9 pages
  • 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


Experiments have been performed which indicate the potential of metal-fiber reinforced-ceramic matrix composites for use as a high temperature structural matrix. The results of this work reveal that metal-fiber reinforced ceramics obey compostie theory, and that after cracks occur in the matrix, a pseudo-ductility can be introduced into the composite. This toughness can be predicted from equations of work required to pull the fibers through the matrix. The relationship between strength, toughness, and crack depths, are dependent on the inter-facial bond between the fibers and matrix as well as fiber diameter and length. Based on the results of these experiments, multicomponent materials with superior resistance to failure from oxidation, thermal shock, and high mechanical stresses in air above 2400 F can be postulated. These materials have potential for use as gas turbine engine vanes.

Copyright © 1972 by ASME
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