Chapter 4. Processing of SiC Whisker-Reinforced Si3N4 Composites

  1. John B. Wachtman Jr.
  1. C. J. Shih1,
  2. J.-M. Yang1 and
  3. A. Ezis2

Published Online: 28 MAR 2008

DOI: 10.1002/9780470310588.ch4

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

Shih, C. J., Yang, J.-M. and Ezis, A. (1989) Processing of SiC Whisker-Reinforced Si3N4 Composites, 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.ch4

Author Information

  1. 1

    Department of Materials Science and Engineering University of California Los Angeles, CA 90024

  2. 2

    Cercom, Inc. Vista, CA 92083

Publication History

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

ISBN Information

Print ISBN: 9780470374870

Online ISBN: 9780470310588

SEARCH

Keywords:

  • sic whiskers;
  • crack dewtion;
  • ceramic matrix composites;
  • fracture toughness;
  • micrographs

Summary

SiC whisker-reinforced Si3f4 composites with two different matrix compositions have been fabricated using reaction bonding/hot pressing technique. The microstructural development after nitridation and densification was characterized using x-ray diffraction and electron microscopy. The flexural strength, fracture toughness, and failure mechanisms of the composites were investigated and correlated with microstructural features. The parameters controlling the microstructure development, densification behavior, and mechanical properties of the SiCw/Si3N4 composites were also identified.