کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1475818 | 991130 | 2011 | 7 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Fabrication and erosion studies of C–SiC composite Jet Vanes in solid rocket motor exhaust Fabrication and erosion studies of C–SiC composite Jet Vanes in solid rocket motor exhaust](/preview/png/1475818.png)
C–SiC composite Jet-Vanes were fabricated using liquid silicon infiltration and tested in a plume of aluminum based solid propellant to study erosion resistance. The Jet-Vanes showed excellent resistance to thermo-oxidative erosion; average linear and mass erosion rates were 1 mm/s and 5 g/s, respectively. Morphology of the eroded surfaces suggests that alumina particles in the plume hit the leading edge of the Jet-Vane, damage it and some material is eroded away. Residual silicon melts and reacts with oxygen to form silica which in turn reacts with SiC matrix. The matrix of SiC, silicon and un-reacted carbon is loosened and erode by high shear forces. Once carbon fibers get exposed directly to the plume, these may be both eroded and oxidized.
Journal: Journal of the European Ceramic Society - Volume 31, Issue 13, November 2011, Pages 2425–2431