在传统方法制备碳气凝胶的基础上,以常压干燥代替超临界干燥,成功制备了碳气凝胶CRFs以及碳纤维针刺毡增强型碳气凝胶CF/CRFs,并通过SEM、BET测试方法对两者的内部微观结构进行了表征.制备的CRF具有典型的三维连续网络结构,催化剂含量不同影响了CRF的骨架颗粒和孔径大小.在CF/CRFs内部,碳纤维针刺毡和CRF能达到较好的复合效果,附着在纤维表面的CRF保持了纳米网络结构,但是纤维对CRF内部的骨架颗粒和孔径具有显著的影响,由力学分析得知碳纤维针刺毡的复合使CRF具有较好的抗弯和抗压性能.
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