Abstract
To find out the effects of SiC addition on the ablation properties of carbon/carbon (C/C) composites, C/C composites with and without SiC addition were ablated by oxyacetylene torch in different heat fluxes. Results indicated that the SiC addition improved the ablation property of C/C composites in the case of heat flux below 3.64 ± 10% MW/m2 whereas it displayed an opposite effect when heat flux was above that value. Ablation morphologies suggested that the relative erosion speed of SiC addition to pyrocarbon matrix took a change when heat flux rose to higher than 3.64 ± 10% MW/m 2, which determined the opposite effects of SiC addition on the ablation properties of C/C composites.
| Original language | English |
|---|---|
| Pages (from-to) | 97-99 |
| Number of pages | 3 |
| Journal | Vacuum |
| Volume | 90 |
| Issue number | 1 |
| DOIs | |
| State | Published - Apr 2013 |
Keywords
- Ablation
- Carbon materials
- Ceramic composites
- Corrosion
- Oxidation
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