连续纤维增强陶瓷基复合材料微观力学研究进展

刘海韬, 杨玲伟, 韩爽

Research Progress on Micro-mechanical Property of Continuous Fiber-reinforced Ceramic Matrix Composites

Hai-Tao LIU, Ling-Wei YANG, Shuang HAN

表2 国防科技大学刘海韬课题组研究的SiCf/SiC和SiCf/BN/SiC复合材料微观力学参数[28]

Table 2 Micro-mechanical parameters of SiCf/SiC and SiCf/BN/SiC composites investigated in Liu’s group[28]

Composites Em/GPa Ef/GPa Γm/(J·m-2) Γf/(J·m-2) EBN interphase/GPa ΓBN interphase/(J·m-2) SiCf/SiC (800℃) 118 160 49 29 - - SiCf/SiC (900℃) 170 160 15 29 - - SiCf/SiC (1000℃) 256 160 5 29 - - SiCf/BN/SiC - 160 - 29 70 4