Chapter 54. A Porous, Oxidation-Resistant Fiber Coating for CMC Interphase

  1. John B. Wachtman Jr
  1. Linus U. J. T. Ogbuji

Published Online: 26 MAR 2008

DOI: 10.1002/9780470314715.ch54

Proceedings of the 19th Annual Conference on Composites, Advanced Ceramics, Materials, and Structures - A: Ceramic Engineering and Science Proceedings, Volume 16, Issue 4

Proceedings of the 19th Annual Conference on Composites, Advanced Ceramics, Materials, and Structures - A: Ceramic Engineering and Science Proceedings, Volume 16, Issue 4

How to Cite

Ogbuji, L. U. J. T. (1995) A Porous, Oxidation-Resistant Fiber Coating for CMC Interphase, in Proceedings of the 19th Annual Conference on Composites, Advanced Ceramics, Materials, and Structures - A: Ceramic Engineering and Science Proceedings, Volume 16, Issue 4 (ed J. B. Wachtman), John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9780470314715.ch54

Author Information

  1. NYMA-SETAR, NASA-Lewis Research Center, Cleveland, OH 44135

Publication History

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

ISBN Information

Print ISBN: 9780470375372

Online ISBN: 9780470314715

SEARCH

Keywords:

  • interphase;
  • ceramic-matrix;
  • turbostratic;
  • deleterious;
  • interfacial

Summary

A porous Si-O-N interphase layer, applied as a slurry-based coating on bare SiC fiber, has been developed for use as an oxidation-resistant alternative to interracial carbon and boron nitride in ceramic-matrix composites. Push-out tests show that the interphase performs well in composites with RBSN matrix, reducing fiber debond stress from over 200 MPa to -25 MPa.