树脂基多孔碳孔结构对C<sub>f</sub>/SiC复合材料连接性能的影响

树脂基多孔碳孔结构对C_f/SiC复合材料连接性能的影响

吴西士, 朱云洲, 黄庆, 黄政仁

Effect of Pore Structure of Organic Resin-based Porous Carbon on Joining Properties of C_f/SiC Composites

WU Xishi, ZHU Yunzhou, HUANG Qing, HUANG Zhengren

表1 树脂溶液组成及裂解后多孔碳素坯性能参数

Table 1 Composition of resin solution and properties of porous carbons after pyrolysis

Sample	PF/%	EG/%	Pore former^*	Residual carbon^**/%	Average pore size/nm	Bulk density/(g·cm^-3)
1	50	50	FeCl₂ (1%)	23+1.1	190±15	0.73±0.01
2	50	50	H₃BO₃(1.5%)	24.3±0.9	642±15	0.74±0.01
3	50	50	FeCl₂ (1%) + H₃BO₃(1.5%)	24.1±1.7	1226±48	0.74±0.03
4	50	50	H₃BO₃(2.5%)	25.8±2.1	1552±38	0.79±0.03
5	50	50	H₃BO₃(3.5%)	26.7±1.5	2363±54	0.79±0.03