Chapter 44. Dynamic Strain Rate Strengthening in SiC Whisker-Reinforced Si3N4

  1. John B. Wachtman Jr.
  1. J. Lankford

Published Online: 28 MAR 2008

DOI: 10.1002/9780470310588.ch44

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

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

Lankford, J. (1989) Dynamic Strain Rate Strengthening in SiC Whisker-Reinforced Si3N4, 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.ch44

Author Information

  1. Southwest Research Institute San Antonio, TX 78284

Publication History

  1. Published Online: 28 MAR 2008
  2. Published Print: 1 JAN 1989

ISBN Information

Print ISBN: 9780470374870

Online ISBN: 9780470310588

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Keywords:

  • glass ceramics;
  • sol-gels;
  • interface chemistry;
  • sol-gel films;
  • metal sugace

Summary

It was recently shown that the propagation of fiber kink bands in SiC fiberreinforced glass-ceramic composites subject to impact loading could produce anomalous strain-rate strengthening. In the present work, new results for SiC whisker-reinforced Si3N4 indicate that such robust strengthening is limited neither to fiber-reinforcement nor glass-ceramic matrices. On the other hand, the effect seems to be absent in SiC whisker-reinforced Al2O3. Results are presented, and possible interpretations and implications are discussed.