Abstract
A kind of anti-erosion ZrC/SiC coating for C/C composites was prepared by a two-step method of pack cementation and slurry. The ablation characteristics, phase composition and micro-structure of ZrC/SiC coating were studied by oxyacetylene flame test, XRD and SEM, respectively. The ablation mechanism of the coating was also investigated. It shows that the ZrC/SiC coating combines well with the substrate and has fine thermal-stability. The mass ablation rate of the ZrC/SiC coating is very low. The ablation mechanism of the coating is a synergistic effect of thermo-chemical ablation, thermo-physical ablation and mechanical erosion.
| Original language | English |
|---|---|
| Pages (from-to) | 105-108 |
| Number of pages | 4 |
| Journal | Guti Huojian Jishu/Journal of Solid Rocket Technology |
| Volume | 34 |
| Issue number | 1 |
| State | Published - Feb 2011 |
Keywords
- Ablation mechanism
- Carbon-carbon composite
- Microstructure
- ZrC/SiC
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