Chapter 26. Performance of Advanced Ceramic Coatings in Simulated High-Speed Earth Entry Environments

  1. John B. Wachtman Jr.
  1. D. A. Stewart and
  2. D. B. Leiser

Published Online: 28 MAR 2008

DOI: 10.1002/9780470310588.ch26

A Collection of Papers Presented at the 13th Annual Conference on Composites and Advanced Ceramic Materials, Part 2 of 2: Ceramic Engineering and Science Proceedings, Volume 10, Issue 9/10

A Collection of Papers Presented at the 13th Annual Conference on Composites and Advanced Ceramic Materials, Part 2 of 2: Ceramic Engineering and Science Proceedings, Volume 10, Issue 9/10

How to Cite

Stewart, D. A. and Leiser, D. B. (1989) Performance of Advanced Ceramic Coatings in Simulated High-Speed Earth Entry Environments, in A Collection of Papers Presented at the 13th Annual Conference on Composites and Advanced Ceramic Materials, Part 2 of 2: Ceramic Engineering and Science Proceedings, Volume 10, Issue 9/10 (ed J. B. Wachtman), John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9780470310588.ch26

Author Information

  1. NASA Ames Research Center Moffett Field, CA 94035

Publication History

  1. Published Online: 28 MAR 2008
  2. Published Print: 1 JAN 1989

ISBN Information

Print ISBN: 9780470374870

Online ISBN: 9780470310588

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Keywords:

  • ceramic valve development;
  • silicon nitride;
  • detroit diesel corporation;
  • finite element analysis;
  • low heat rejection

Summary

This paper describes the performance of advanced ceramic coatings being developed for future spacecraft. The goal of this research was to optimize optical properties while minimizing the coating thermochemical instability during high-speed entry into the earth's atmosphere. Effects of composition, permeability, particle size, and thickness of these coatings on the optical properties were studied in aeroconvectively heated environments at enthalpies between 23.3 MJ/Kg and 35.0 MJ/Kg and surface temperatures in excess of 1500 K.