Oxidation behaviors of C/SiC composites coated with SiC coatings containing borosilicate glass

Su Cao, Yongsheng Liu, Xinzhang Zuo, Litong Zhang, Laifei Cheng

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

SiC self-healing coatings containing borosilicate glass were prepared by polymer plyen on the 2D C/SiC composites. The microstructure morphologies of the 2D C/SiC composites with SiC coating containing borosilicate glass before and after oxidation were analyzed by SEM. The oxidation behaviors of the C/SiC composites with SiC coating containing borosilicate glass were studied at 700 °C, 1000 °C and 1200 °C in static air and the oxidation behaviors resulted by different layers were analyzed. The results show that the glass phase produced by the SiC coating containing borosilicate glass can seal the defections (cracks and pores) existed in the coating, and with increasing the temperature and number of the coating layers, the C/SiC composites have lower mass loss during the oxidation and higher strength retention after oxidized.

Original languageEnglish
Pages (from-to)142-148
Number of pages7
JournalFuhe Cailiao Xuebao/Acta Materiae Compositae Sinica
Volume28
Issue number2
StatePublished - Apr 2011

Keywords

  • 2D C/SiC composites
  • Borosilicate glass
  • Mass change
  • Morphology
  • Oxidation
  • Residual strength
  • Self-healing coating

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