高性能针刺碳/碳复合材料的制备与性能

刘宇峰,俸翔,王金明,许正辉,李同起,焦星剑,王雅雷,熊翔

Preparation and Properties of High-performance Needled C/C Composites

LIU Yufeng,FENG Xiang,WANG Jinming,XU Zhenghui,LI Tongqi,JIAO Xingjian,WANG Yalei,XIONG Xiang

表1 针刺碳/碳复合材料参数

Table 1 Parameters of needled C/C composites

No. ρA-fiber web/ (g·m-2) ρA-weftless ply/ (g·m-2) Needling depth/ mm Needling density/ (pin·m-2) ρpreform/ (g·cm-3) ρC/C/ (g·cm-3) Porosity/ % A 200 300 12 22 0.31 2.073 0.677 B-1 140 340 12 12 0.45 2.052 0.528 B-2 140 340 12 22 0.44 2.047 0.680 B-3 140 340 12 27 0.44 2.052 0.681 B-4 140 340 12 35 0.45 2.048 0.570 B-5 140 340 15 12 0.44 2.042 0.622 B-6 140 340 18 12 0.44 2.040 2.361 B-7 120 300 12 22 0.46 2.040 1.643 B-8 140 340 12 22 0.45 2.048 1.416 C 80 380 12 22 0.6 2.016 1.127