Chapter 29. Fiber-Matrix Interfaces for Alumina Fiber - Yag Matrix Composites

  1. John B. Wachtman Jr.
  1. R. S. Hay

Published Online: 26 MAR 2008

DOI: 10.1002/9780470314234.ch29

Proceedings of the 17th Annual Conference on Composites and Advanced Ceramic Materials, Part 2 of 2: Ceramic Engineering and Science Proceedings, Volume 14, Issue 9/10

Proceedings of the 17th Annual Conference on Composites and Advanced Ceramic Materials, Part 2 of 2: Ceramic Engineering and Science Proceedings, Volume 14, Issue 9/10

How to Cite

Hay, R. S. (1993) Fiber-Matrix Interfaces for Alumina Fiber - Yag Matrix Composites, in Proceedings of the 17th Annual Conference on Composites and Advanced Ceramic Materials, Part 2 of 2: Ceramic Engineering and Science Proceedings, Volume 14, Issue 9/10 (ed J. B. Wachtman), John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9780470314234.ch29

Author Information

  1. Wright Laboratory, Materials Directorate WPAFB, OH 45433

Publication History

  1. Published Online: 26 MAR 2008
  2. Published Print: 1 JAN 1993

ISBN Information

Print ISBN: 9780470375273

Online ISBN: 9780470314234

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Keywords:

  • volatile;
  • characterization;
  • fiber-matrix;
  • oxidation;
  • thermal expansion

Summary

Porous palladium fiber-matrix interlayers were made for single crystal alumina fiber - YAG matrix composites. Mo-Pd mixtures were applied from solutions in a vertical continuous fiber coater. The fibers and matrix were hot-pressed under reducing conditions and then heat-treated in air to oxidize Mo to a volatile oxide. When Mo survived through the hot-pressing stage, extensive void space developed around the fiber matrix interface after heat-treatment in air, and evidence for crack deflection and fiber pullout was found. Fiber coating methods, processing routes, and characterization methods are discussed.