Chapter 31. Modeling of Fracture Resistance of a Ceramic Composite at Elevated Temperatures

  1. Mrityunjay Singh and
  2. Todd Jessen
  1. E. T. Park and
  2. R. N. Singh

Published Online: 26 MAR 2008

DOI: 10.1002/9780470294680.ch31

25th Annual Conference on Composites, Advanced Ceramics, Materials, and Structures: A: Ceramic Engineering and Science Proceedings, Volume 22, Issue 3

25th Annual Conference on Composites, Advanced Ceramics, Materials, and Structures: A: Ceramic Engineering and Science Proceedings, Volume 22, Issue 3

How to Cite

Park, E. T. and Singh, R. N. (2008) Modeling of Fracture Resistance of a Ceramic Composite at Elevated Temperatures, in 25th Annual Conference on Composites, Advanced Ceramics, Materials, and Structures: A: Ceramic Engineering and Science Proceedings, Volume 22, Issue 3 (eds M. Singh and T. Jessen), John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9780470294680.ch31

Author Information

  1. Department of Materials Science and Engineering University of Cincinnati P.O. Box 210012 Cincinnati, OH 45221–0012

Publication History

  1. Published Online: 26 MAR 2008
  2. Published Print: 1 JAN 2001

ISBN Information

Print ISBN: 9780470375730

Online ISBN: 9780470294680

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Keywords:

  • temperature;
  • matrix;
  • monolithic;
  • telescope;
  • atmosphere

Summary

The fracture resistance behavior (R-curve) of unidirectional silicon carbide (SCS-6) fiber-reinforced zircon (ZrSiO4) matrix composites is studied experimentally and numerically between room temperature and 1400°C. The experimental R-curve behaviors are determined by in situ crack length measurements using an optical telescope. The results showed a rising R-curve behavior with a reduction in fracture resistance at elevated temperatures. A numerical calculation is also performed to determine the relationship between the bridging stress function and the R-curve behavior. A comparison of the experimental and numerically calculated results on fracture resistance behavior of a ceramic composite showed that numerical calculations are close to the experimental R-curves at all the temperatures used in this study.