Chapter 34. Silicon Carbide Fibers with Boron Nitride Coatings

  1. Todd Jessen,
  2. Ersan Ustundag
  1. Michael D. Sacks1,
  2. John J. Brennan2

Published Online: 28 MAR 2008

DOI: 10.1002/9780470294635.ch34

Book Title

24th Annual Conference on Composites, Advanced Ceramics, Materials, and Structures: B: Ceramic Engineering and Science Proceedings, Volume 21, Issue 4

24th Annual Conference on Composites, Advanced Ceramics, Materials, and Structures: B: Ceramic Engineering and Science Proceedings, Volume 21, Issue 4

Additional Information

How to Cite

Sacks, M. D. and Brennan, J. J. (2008) Silicon Carbide Fibers with Boron Nitride Coatings, in 24th Annual Conference on Composites, Advanced Ceramics, Materials, and Structures: B: Ceramic Engineering and Science Proceedings, Volume 21, Issue 4 (eds T. Jessen and E. Ustundag), John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9780470294635.ch34

Author Information

  1. 1

    Georgia Institute of Technology, Atlanta, GA 30332–0245

  2. 2

    United Technologies Research Center, East Hartford, CT 06108

Publication History

  1. Published Online: 28 MAR 2008
  2. Published Print: 1 JAN 2000

ISBN Information

Print ISBN: 9780470375693

Online ISBN: 9780470294635

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Keywords:

  • boron nitride;
  • ceramic matrix composites;
  • ammonia;
  • boroaluminum silicate fibers;
  • in situ method

Summary

Sic fibers were prepared with boron nitride (BN) coatings using an in-situ processing method. Scanning Auger electron spectroscopy, X-ray photoelectron spectroscopy, and transmission electron microscopy showed that the coatings were uniformly distributed, well-crystallized, hexagonal BN. The coated fibers had high strength (∼ 3 GPa) and excellent creep resistance based on bend stress relaxation tests.

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