Chapter 22. Interface Modification in Nicalon®/SiC Composites

  1. John B. Wachtman Jr.
  1. R. A. Lowden and
  2. D. P. Stinton

Published Online: 28 MAR 2008

DOI: 10.1002/9780470310496.ch22

Proceedings of the 12th Annual Conference on Composites and Advanced Ceramic Materials, Part 1 of 2: Ceramic Engineering and Science Proceedings, Volume 9, Issue 7/8

Proceedings of the 12th Annual Conference on Composites and Advanced Ceramic Materials, Part 1 of 2: Ceramic Engineering and Science Proceedings, Volume 9, Issue 7/8

How to Cite

Lowden, R. A. and Stinton, D. P. (1988) Interface Modification in Nicalon®/SiC Composites, in Proceedings of the 12th Annual Conference on Composites and Advanced Ceramic Materials, Part 1 of 2: Ceramic Engineering and Science Proceedings, Volume 9, Issue 7/8 (ed J. B. Wachtman), John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9780470310496.ch22

Publication History

  1. Published Online: 28 MAR 2008
  2. Published Print: 1 JAN 1988

ISBN Information

Print ISBN: 9780470374801

Online ISBN: 9780470310496

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Keywords:

  • oxidizing;
  • oxide/oxide composite;
  • dopants;
  • SIMS;
  • TEM

Summary

Improved mechanical behavior in Nicalon/SiC composites has been produced by controlling the interfacial bond through coating of the fibers with thin films before densification. Varying degrees of bonding have been achieved with different coating materials and film thicknesses. The effects of bonding on fiber pullout, and thus mechanical behavior, have been investigated. Fiber-matrix bond strengths have been semiquantitatively evaluated using indentation methods and a simple tensile test. Electron microscopy and surface analysis were utilized to characterize interface compositions and structures. These results have been used to further examine fiber-matrix interfaces and their influence on mechanical behavior.