Abstract
An in situ SiC nanowire-SiC-Si/SiC-Si protective coating was prepared on C/C composites by pack cementation and heat treatment. SiC nanowires suppressed the cracking of the coating by nanowire pullout and bridging and microcrack deflection, avoiding the oxidation of C/C composites. Results showed that the oxidation of the samples was a continuous weight gain process. The oxidation behavior was fitted to the parabolic-linear model and the final weight gain was 1.8% during thermogravimetric analysis from 50 to 1600 °C. The oxidation behavior was fitted to the parabolic model and the final weight gain was 0.51% during isothermal oxidation at 800 °C.
| Original language | English |
|---|---|
| Pages (from-to) | 285-289 |
| Number of pages | 5 |
| Journal | Corrosion Science |
| Volume | 70 |
| DOIs | |
| State | Published - May 2013 |
Keywords
- A. Ceramic matrix composites
- C. High temperature corrosion
- C. Kinetic parameters
- C. Oxidation
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