Abstract
In order to improve the ablation resistance of carbon/carbon (C/C) composites, a ZrC nanostructured coating was prepared on C/C composites by chemical vapor deposition. Results show that the coating contains ZrC grains with the size of 20-30 nm and the structure displays a high consistent orientation. This nanostructured coating has improvements in linear and mass ablation rates of 50.7% and 42.1% compared with those of the conventional ZrC coating. The good ablation resistance could be attributed to the efficient prevention of the coating cracking and the formation of the dense ZrO 2 layer during ablation.
| Original language | English |
|---|---|
| Pages (from-to) | 99-102 |
| Number of pages | 4 |
| Journal | Materials Letters |
| Volume | 107 |
| DOIs | |
| State | Published - 2013 |
Keywords
- Ceramics
- Microstructure
- Oxidation
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