Chapter 18. First-Cracking Strength of Short Fiber-Reinforced Ceramics
- John B. Wachtman Jr.
Published Online: 28 MAR 2008
Copyright © 1989 The American Ceramic Society, Inc.
A Collection of Papers Presented at the 13th Annual Conference on Composites and Advanced Ceramic Materials, Part 2 of 2: Ceramic Engineering and Science Proceedings, Volume 10, Issue 9/10
How to Cite
Leung, C. K. and Li, V. C. (1989) First-Cracking Strength of Short Fiber-Reinforced Ceramics, in A Collection of Papers Presented at the 13th Annual Conference on Composites and Advanced Ceramic Materials, Part 2 of 2: Ceramic Engineering and Science Proceedings, Volume 10, Issue 9/10 (ed J. B. Wachtman), John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9780470310588.ch18
- Published Online: 28 MAR 2008
- Published Print: 1 JAN 1989
Print ISBN: 9780470374870
Online ISBN: 9780470310588
- polycrystalline alumina;
- sic whisker;
- silicon carbide;
- thermal shock resistance;
- electron microscopy
The relation between first-cracking strength and inherent flaw size of short fiber-reinforced ceramic (sfrc) are evaluated using a fracture mechanics approach. Such a relation can be employed to predict material reliability. Results of the present investigation shows that the material properties affecting sfrc behavior can be grouped into a single dimensionless term, L/uc that governs the behavior of sfrc. Sfrc with small L/uc values behave similarly to continuous fiber composites while sfrc with large L/uc behave similarly to ideally brittle materials (Griffith materials). L/uc is thus an important parameter to be considered in the design of sfrc.