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2 不同C/ZrC-SiC复合材料的PyC、SiC和ZrC含量、密度和气孔率

Table 2 PyC, SiC and ZrC content, density and open porosity of C/ZrC-SiC composites

Sample PyC/% PIP-SiC/% PIP-ZrC/% Density/g·cm-3 Open porosity/% S5 0.44 63.02 11.77 1.99±0.04 22.77±1.82 S15 3.42 62.07 9.99 1.95±0.02 22.42±0.74 S30 9.93 59.65 8.16 1.94±0.01 20.77±1.87 S50 22.44 51.88 8.39 1.88±0.02 19.45±1.33