不同热解碳界面层厚度C/ZrC-SiC复合材料烧蚀性能及其机理

杨晓辉, 李克智, 白龙腾, 郭亚威

Ablation Properties and Mechanisms of C/ZrC-SiC Composites with Pyrolytic Carbon Interlayer of Different Thickness

YANG Xiaohui, LI Kezhi, BAI Longteng, GUO Yawei

表3 PyC界面层厚度不同的C/ZrC-SiC复合材料的60和20 s烧蚀性能

Table 3 60 s and 20 s ablation performance of C/ZrC-SiC composites with different PyC interface thickness

Sample Mass ablation rates/mg·s-1 Linear ablation rates/μm·s-1 Maximum ablation temperature/℃ 20 s 60 s 20 s 60 s 20 s 60 s S5 -1.59 1.62 7.08 5.38 2394 2385 S15 -1.12 1.22 6.83 3.80 2382 2382 S30 -0.84 1.13 3.00 7.44 2359 2356 S50 -1.46 1.08 4.02 4.66 2323 2325