制备了环氧树脂/纳米金刚石纳米复合材料,研究了纳米金刚石对复合材料力学性能和热性能的影响.研究结果表明,随纳米金刚石含量的增加复合材料的力学性能呈现先增加后降低的趋势.当添加0.4％的纳米金刚石时,复合材料的拉伸强度和弯曲强度比纯环氧树脂分别提高了51.9％和52.5％,冲击强度为纯环氧树脂的1.9倍.复合材料的热稳定性能随着纳米金刚石含量的增加而提高,玻璃化转变温度随着纳米金刚石含量的增加而降低.利用SEM对复合材料增韧增强机理进行了探讨.
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