Chapter 16. Creep of Intermetallics and Their Composites

  1. John B. Wachtman Jr
  1. K. Sadananda and
  2. C. R. Feng

Published Online: 26 MAR 2008

DOI: 10.1002/9780470314715.ch16

Proceedings of the 19th Annual Conference on Composites, Advanced Ceramics, Materials, and Structures - A: Ceramic Engineering and Science Proceedings, Volume 16, Issue 4

Proceedings of the 19th Annual Conference on Composites, Advanced Ceramics, Materials, and Structures - A: Ceramic Engineering and Science Proceedings, Volume 16, Issue 4

How to Cite

Sadananda, K. and Feng, C. R. (1995) Creep of Intermetallics and Their Composites, in Proceedings of the 19th Annual Conference on Composites, Advanced Ceramics, Materials, and Structures - A: Ceramic Engineering and Science Proceedings, Volume 16, Issue 4 (ed J. B. Wachtman), John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9780470314715.ch16

Author Information

  1. Code 6323, Materials Science and Technology Division, Naval Research Laboratory, Washington D.C. 20375.

Publication History

  1. Published Online: 26 MAR 2008
  2. Published Print: 1 JAN 1995

ISBN Information

Print ISBN: 9780470375372

Online ISBN: 9780470314715

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Keywords:

  • creep;
  • overshadowed;
  • superalloys;
  • molybdenum;
  • disilicides

Summary

Creep of intermetallics and their composites is discussed as a function of stress and temperature. Significant improvements in creep resistance were achieved in many systems using reinforcements. In many cases, the strengthening effects of reinforcements were overshadowed by the weakening effects due to grain refinement that occurs during composite processing. Comparative analysis of the creep resistance of aluminides, silicides and the current superalloys and ceramics was also provided. On the basis of creep resistance, it was concluded that molybdenum disilicides and their composites have high potential for application at temperatures greater than 1000°C, and that they are potential competitors to somewhat more brittle ceramic/ceramic composites.