Chapter 7. Carbon/Boron Nitride Composites: An Alternative to Carbon/Carbon

  1. John B. Wachtman Jr.
  1. Cameron G. Cofer,
  2. Aaron W. Saak and
  3. James Economy

Published Online: 26 MAR 2008

DOI: 10.1002/9780470314784.ch7

Proceedings of the 19th Annual Conference on Composites, Advanced Ceramics, Materials, and Structures - B: Ceramic Engineering and Science Proceedings, Volume 16, Issue 5

Proceedings of the 19th Annual Conference on Composites, Advanced Ceramics, Materials, and Structures - B: Ceramic Engineering and Science Proceedings, Volume 16, Issue 5

How to Cite

Cofer, C. G., Saak, A. W. and Economy, J. (1995) Carbon/Boron Nitride Composites: An Alternative to Carbon/Carbon, in Proceedings of the 19th Annual Conference on Composites, Advanced Ceramics, Materials, and Structures - B: Ceramic Engineering and Science Proceedings, Volume 16, Issue 5 (ed J. B. Wachtman), John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9780470314784.ch7

Author Information

  1. Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801

Publication History

  1. Published Online: 26 MAR 2008
  2. Published Print: 1 JAN 1995

ISBN Information

Print ISBN: 9780470375389

Online ISBN: 9780470314784

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Keywords:

  • residual stress;
  • utilized;
  • polycrystalline;
  • thermal expansion;
  • anisotropy

Summary

Carbon/carbon (C/C) composites have become an important material for aircraft brakes and high temperature structural applications. An exciting new material has been produced by replacing the carbon matrix with boron nitride. Preliminary evaluations indicate that the carbon/boron nitride (C/BN) has distinct advantages over C/C, including a simplified processing route and a significantly higher resistance to oxidation. These features could be of considerable value in design of systems with improved properties for brakes. In this paper, progress in characterizing the oxidation, friction, and wear behavior of C/BN and C/C will be presented. Crystallographic and morphological changes induced in C/C during elevated temperature wear will also be described.