Chapter 27. Effect of Processing on Strength of Nicalon Fibers in Nicalon Fiber-Sic Matrix Composites

  1. John B. Wachtman Jr.
  1. D. Singh and
  2. J. P. Singh

Published Online: 26 MAR 2008

DOI: 10.1002/9780470313954.ch27

Proceedings of the 16th Annual Conference on Composites and Advanced Ceramic Materials, Part 1 of 2: Ceramic Engineering and Science Proceedings, Volume 13, Issue 7/8

Proceedings of the 16th Annual Conference on Composites and Advanced Ceramic Materials, Part 1 of 2: Ceramic Engineering and Science Proceedings, Volume 13, Issue 7/8

How to Cite

Singh, D. and Singh, J. P. (1994) Effect of Processing on Strength of Nicalon Fibers in Nicalon Fiber-Sic Matrix Composites, in Proceedings of the 16th Annual Conference on Composites and Advanced Ceramic Materials, Part 1 of 2: Ceramic Engineering and Science Proceedings, Volume 13, Issue 7/8 (ed J. B. Wachtman), John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9780470313954.ch27

Author Information

  1. Materials and Components Technology Division Argonne National Laboratory, Argonne, IL 60439

Publication History

  1. Published Online: 26 MAR 2008
  2. Published Print: 1 JAN 1994

ISBN Information

Print ISBN: 9780470375174

Online ISBN: 9780470313954

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Keywords:

  • composites;
  • matrix;
  • thermal;
  • microstructura;
  • environments

Summary

Strength degradation of Nicalon silicon carbide (SiC) fibers during processing of Nicalon fiber-SiC matrix composites was studied. Strength distribution of as-fabricated Nicalon fibers was obtained from bundle tests, whereas the strength of fractured fibers in Nicalon fiber-reinforced SiC matrix composite specimens were estimated by measuring fracture mirror radii. Comparison of fracture probability plots indicates reduction in average strength of as-fabricated fibers after incorporation into composites. Strength degradation of fibers is attributed to thermal degradation and mechanical damage to the fibers during processing.