介绍一种异形截面碳纤维,并对其环氧复合材料的力学性能进行研究.对该碳纤维表面特性和本体结构及碳纤维/环氧复合材料的常规力学性能、破坏模式和纤维堆砌方式进行初步分析,并与T300碳纤维及其环氧复合材料进行比较.结果表明,与T300相比该异形截面碳纤维的截面为"腰"形,表面光滑,化学活性差,石墨化程度低,但其比表面积大,对液体的浸润性能好;异形截面碳纤维/环氧复合材料的力学性能达到或者接近T300环氧复合材料;异形截面碳纤维与树脂基体的界面结合较弱,纤维在材料中的分布均匀性差.
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