主要对比了编织C/C复合材料和针刺C/C复合材料的轴向热力学性能.编织C/C复合材料主要有径棒法、轴棒法、轴向穿刺三种,针刺C/C复合材料主要有炭布叠层针刺、整体毡两种.编织预制体密度较高,平均可达到0.70g/cm3以上,针刺类整体毡密度在0.20 g/cm3左右,炭布叠层预制体密度在0.45 g/cm3左右,均低于编织预制体.径棒法、轴棒法、轴向穿刺预制体轴向纤维含量≥19%,针刺类预制体轴向纤维含量约为5%.C/C复合材料的轴向拉伸强度、热膨胀系数与预制体编织结构、轴向纤维含量有关,编织类C/C复合材料轴向拉伸强度平均值≥40MPa,针刺类C/C复合材料轴向拉伸强度在10MPa左右.轴棒法、轴向穿刺、炭布叠层针刺、整体毡等四种C/C复合材料(RT～800C)轴向热膨胀系数基本相当.
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