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1 核用第三代SiC纤维的主要性能[21-23]

Table 1 Key properties of the third-generation SiC fibers for nuclear application[21-23]

Hi-Nicalon Type S Tyranno SA Fiber diameter/μm 12 10 Tow number 800 800 Linear density/(g·km-1) 195 170 Bulk density/(g·cm-3) 2.85 3.10 Tensile strength/GPa 3.1 2.4 Tensile modulus/GPa 380 380 Si content/(%, in mass) 69 67 C content/(%, in mass) 31 31 O content/(%, in mass) 0.8 <1 C/Si 1.05 1.08 Thermal conductivity/(W·m-1·K-1) 24 65