材料的性能测试是一项基础工作,它对材料的应用研究有指导意义。自行试制了几种不同配方、不同工艺和不同碳材料的碳纤维-环氧树脂复合材料,测定了它们的部分物理、机械和电性能。我们的初步结论是: 1)碳纤维无纬布制复合材料的部分机械性能优于“北航”、低于“东丽”(日本)的同类制品;如果碳纤维本身的性能一致,那么其机械性能可进一步提高; 2)碳纤维无纬布制复合材料的部分机械性能优于碳布制复合材料,原因在于无 Material performance testing is a basic work, which is of guiding significance for the application of materials. Several kinds of carbon fiber-epoxy composites with different formulations, different processes and different carbon materials were prepared by ourselves, and some of their physical, mechanical and electrical properties were measured. Our preliminary conclusions are as follows: 1) The mechanical properties of carbon fiber nonwovens composites are better than that of “Beihang” and lower than that of “Toray” (Japan); if the properties of carbon fibers are the same, their mechanical properties Further improve; 2) some mechanical properties of carbon fiber non-woven fabric made of composite materials than carbon cloth made of composite materials, because no