Ultra-high-temperature ceramic coatings for oxidation protection of carbon-carbon composites

Erica L. Corral, Ronald E. Loehman

Research output: Contribution to journalArticle

138 Scopus citations

Abstract

Carbon-carbon (C-C) composites are attractive materials for hypersonic flight vehicles but they oxidize in air at temperatures >500°C and need thermal protection systems to survive aerothermal heating. We investigated using multilayers of high-temperature ceramics such as ZrB2 and SiC to protect C-C against oxidation. Our approach combines pretreatment and processing steps to create continuous and adherent high-temperature ceramic coatings from infiltrated preceramic polymers. We tested our protective coatings at temperatures above 2600°C at the National Solar Thermal Testing Facility using controlled cold-wall heat flux profiles reaching a maximum of 680 W/cm2.

Original languageEnglish (US)
Pages (from-to)1495-1502
Number of pages8
JournalJournal of the American Ceramic Society
Volume91
Issue number5
DOIs
StatePublished - May 1 2008
Externally publishedYes

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry

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