Laser ablation behaviors of SiC-ZrC coated carbon/carbon composites

Qiaomu Liu*, Litong Zhang, Fengrui Jiang, Jia Liu, Laifei Cheng, Hui Li, Yiguang Wang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

78 Citations (Scopus)

Abstract

Laser ablation behaviors of carbon/carbon composites with an underlying SiC layer and a surface ZrC layer were investigated using a continuous wave CO2 laser. The laser powers varied from 100W to 2000W. The results indicate that the two-layer SiC-ZrC coating can improve the laser ablation resistance of the carbon/carbon composites. Three ablation regions can be identified. The ablation mechanisms in different ablation regions are proposed.

Original languageEnglish
Pages (from-to)4299-4303
Number of pages5
JournalSurface and Coatings Technology
Volume205
Issue number17-18
DOIs
Publication statusPublished - 25 May 2011
Externally publishedYes

Keywords

  • Ablation mechanism
  • Carbon/carbon composites
  • Coating
  • Laser ablation
  • Silicon carbide
  • Zirconium carbide

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