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Ablation resistance of SiC-ZrC coating prepared by a simple two-step method on carbon fiber reinforced composites

  • Xiao Hong Shi
  • , Jun Hao Huo
  • , Jun Liang Zhu
  • , Lei Liu
  • , He Jun Li
  • , Xiao Jun Hu
  • , Meng Yan Li
  • , Ling Jun Guo
  • , Qian Gang Fu
  • Northwestern Polytechnical University Xian

Research output: Contribution to journalArticlepeer-review

68 Scopus citations

Abstract

SiC-ZrC ablation resistance coating was prepared on the surface of carbon fiber reinforced carbon (C/C) composites by simple pack cementation combined with low-cost slurry infiltration method. The results showed that SiC-ZrC coating could effectively protect C/C composites from ablation for 45s at 3723K under oxyacetylene torch. The mass and linear ablation rates (0.038±0.01mg/(scm2) and 2.42±0.15μm/s) were largely reduced compared with that of uncoated C/C composites (0.530±0.01mg/(scm2) and 1.75±0.15μm/s) after ablation for 20s. The good ablation protective ability of SiC-ZrC coating is mainly attributed to the volatilization of SiO2 and the formation of ZrO2.

Original languageEnglish
Pages (from-to)49-55
Number of pages7
JournalCorrosion Science
Volume88
DOIs
StatePublished - Nov 2014

Keywords

  • A. Ceramic matrix composites
  • A. Zirconium
  • B. SEM
  • C. High temperature corrosion

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