Chapter 9. Low Cycle Fatigue Life Prediction of Ceramic Matrix Composites at Elevated Temperatures

  1. John B. Wachtman Jr.
  1. N. Iyengar and
  2. K. L. Reifsnider

Published Online: 26 MAR 2008

DOI: 10.1002/9780470314784.ch9

Proceedings of the 19th Annual Conference on Composites, Advanced Ceramics, Materials, and Structures - B: Ceramic Engineering and Science Proceedings, Volume 16, Issue 5

Proceedings of the 19th Annual Conference on Composites, Advanced Ceramics, Materials, and Structures - B: Ceramic Engineering and Science Proceedings, Volume 16, Issue 5

How to Cite

Iyengar, N. and Reifsnider, K. L. (2008) Low Cycle Fatigue Life Prediction of Ceramic Matrix Composites at Elevated Temperatures, in Proceedings of the 19th Annual Conference on Composites, Advanced Ceramics, Materials, and Structures - B: Ceramic Engineering and Science Proceedings, Volume 16, Issue 5 (ed J. B. Wachtman), John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9780470314784.ch9

Author Information

  1. Materials Response Group, Dept of Engineering Science & Mechanics Virginia Polytechnic Institute and State University

Publication History

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

ISBN Information

Print ISBN: 9780470375389

Online ISBN: 9780470314784

SEARCH

Keywords:

  • thermal conductivity;
  • deterioration;
  • insulating;
  • monolithic;
  • cryolite resistance

Summary

This paper describes the development and application of a life prediction methodology that has been adapted for use with ceramic matrix composites. This methodology is based on damage mechanics and the critical element concept using residual strength as the damage metric. It has been developed so as to utilize experimentally observed phenomena as a means of characterizing the damage. The essence of this methodology is the manner in which it integrates the various damage mechanisms and predicts the residual strength and life of a component. Development of the rate equations from experimental data and preliminary results of life prediction for two typical low cycle fatigue (LCF) conditions, with Enhanced Nicalon™SiC composites, are presented.