Abstract
The effects of two kinds of heat treatment processes on the mechanical properties of 3D-C/PyC/SiC were investigated. Heat treatment for carbon fiber woven preform with PyC interphase before deposition of SiC matrix can make the flexural strength and KIC of 3D-C/PyC/SiC at room temperature increase obviously, and the maximum amplitude is 38.6% and 80.5% respectively. Heat treatment for C/PyC/SiC after deposition of SiC matrix can make the flexural strength and KIC of 3D-C/PyC/SiC at room temperature decrease obviously, and the maximum amplitude is 60%.
| Original language | English |
|---|---|
| Pages (from-to) | 188-192+197 |
| Journal | Guti Huojian Jishu/Journal of Solid Rocket Technology |
| Volume | 31 |
| Issue number | 2 |
| State | Published - Apr 2008 |
Keywords
- C/PyC/SiC
- Carbon fiber
- Heat-treatment
- Pyrolytic carbon
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