核用碳化硅纤维增强碳化硅复合材料研究进展

欧阳琴, 王艳菲, 徐剑, 李寅生, 裴学良, 莫高明, 李勉, 李朋, 周小兵, 葛芳芳, 张崇宏, 何流, 杨磊, 黄政仁, 柴之芳, 詹文龙, 黄庆

Research Progress of SiC Fiber Reinforced SiC Composites for Nuclear Application

OUYANG Qin, WANG Yanfei, XU Jian, LI Yinsheng, PEI Xueliang, MO Gaoming, LI Mian, LI Peng, ZHOU Xiaobing, GE Fangfang, ZHANG Chonghong, HE Liu, YANG Lei, HUANG Zhengren, CHAI Zhifang, ZHAN Wenlong, HUANG Qing

表2 几种典型的MAX相及其性能对比[158-162]

Table 2 Comparison of related properties of several typical MAX phases[158-162]

Material Vickers hardness/ GPa Flexural strength/ MPa Fracture toughness/ (MPa·m1/2) Thermal conductivity/ (W·m-1·K-1) Electrical conductivity/ (×106 , S·m-1) Ti3SiC2 10.4 881(//c-axis) 14.1(//c-axis) 32.4 0.49(//c-axis) Ti3AlC2 9.1 1261(//c-axis) 13.1(//c-axis) 14.6(//c-axis) 1.01(//c-axis) Ti2AlC 7.9 735(//c-axis) 8.5(//c-axis) 27 2.5 Nb4AlC3 7.0 789(⊥c-axis) 9.3(⊥c-axis) 21.1 0.81