Chapter 19. Structural Ceramics Derived from a Preceramic Polymer
- John B. Wachtman Jr.
Published Online: 26 MAR 2008
Copyright © 1990 The American Ceramic Society, Inc.
14th Annual Conference on Composites and Advanced Ceramic Materials, Part 2 of 2: Ceramic Engineering and Science Proceedings, Volume 11, Issue 9/10
How to Cite
Semen, J. and Loop, J. G. (1990) Structural Ceramics Derived from a Preceramic Polymer, in 14th Annual Conference on Composites and Advanced Ceramic Materials, Part 2 of 2: Ceramic Engineering and Science Proceedings, Volume 11, Issue 9/10 (ed J. B. Wachtman), John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9780470313053.ch19
- Published Online: 26 MAR 2008
- Published Print: 1 JAN 1990
Print ISBN: 9780470374931
Online ISBN: 9780470313053
Test pieces were uniaxially dry-pressed from formulations consisting of 20-30 wt% polysilazane preceramic material and SiC and Si3N4 ceramic powders. Thermal crosslinking/pyrolysis of the molded pieces at temperatures well below normal powder sintering temperatures produced fully ceramic composites consisting of fully dense, submicrometer size, crystalline ceramic particles embedded in a highly nanoporous, amorphous Si-N-C ceramic matrix material The mechanical and physical properties, and their relationship to the microstructure, of these materials are discussed.