Chapter 40. Improving the Temperature Performance of Low-Density Ceramic Heatshields through Sol-Gel Processing

  1. John B. Wachtman Jr
  1. Jeffrey Bull,
  2. Daniel Leiser,
  3. Jeneen Sommers and
  4. Lili Esfahani

Published Online: 26 MAR 2008

DOI: 10.1002/9780470313848.ch40

Proceedings of the 15th Annual Conference on Composites and Advanced Ceramic Materials, Part 2 of 2: Ceramic Engineering and Science Proceedings, Volume 12, Issue 9/10

Proceedings of the 15th Annual Conference on Composites and Advanced Ceramic Materials, Part 2 of 2: Ceramic Engineering and Science Proceedings, Volume 12, Issue 9/10

How to Cite

Bull, J., Leiser, D., Sommers, J. and Esfahani, L. (1991) Improving the Temperature Performance of Low-Density Ceramic Heatshields through Sol-Gel Processing, in Proceedings of the 15th Annual Conference on Composites and Advanced Ceramic Materials, Part 2 of 2: Ceramic Engineering and Science Proceedings, Volume 12, Issue 9/10 (ed J. B. Wachtman), John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9780470313848.ch40

Author Information

  1. NASA Ames Research Center Moffett Field, CA 94035

Publication History

  1. Published Online: 26 MAR 2008
  2. Published Print: 1 JAN 1991

ISBN Information

Print ISBN: 9780470375105

Online ISBN: 9780470313848

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Keywords:

  • isolhermal;
  • alumina;
  • ceramic;
  • cristobalite;
  • aluminoborosilicate

Summary

The performance of rigid insulations for use as thermal protection materials on reentry vehicles can be characterized by their resistance to dimensional and morphological change when exposed to an isothermal environment equivalent to that generated in entry. Improvements in these material characteristics for alumina enhanced thermal barrier insulation by compositional modification through sol-gel processing are reported.