Oxidation behavior of SiC/glaze-precursor coating on carbon/carbon composites

Xingjian Jiao*, Tongqi Li, Yumei Li, Zhongwei Zhang, Fuzhi Dai, Zhihai Feng

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

In order to improve the oxidation behavior of carbon/carbon composites in a wide range of temperature, a new SiC/glaze-precursor coating was developed.The SiC layer was produced by slurry and sintering, while the glaze precursor layer was prepared by slurry and drying. The microstructures and phase compositions of the coating were analyzed by SEM and XRD, respectively. The oxidation resistance of the coated composites was investigated using both isothermal and temperature-programmed thermogravimetric analysis in the temperature range from room temperature to 1600 °C. The results showed that the oxidation behavior of the coating was mainly controlled by the diffusion of oxygen during the test.The coating showed excellent oxidation resistance and self-healing ability in a wide range of temperature.

Original languageEnglish
Pages (from-to)8208-8213
Number of pages6
JournalCeramics International
Volume43
Issue number11
DOIs
Publication statusPublished - 1 Aug 2017
Externally publishedYes

Keywords

  • Carbon/carbon composites
  • Coating
  • Oxidation behavior
  • SiC

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