采用球磨法在环氧树脂中分散了不同质量分数(0、5wt％和10wt％)的埃洛石纳米管(HNTs),通过哌啶固化剂固化,制备了HNTs/环氧树脂复合材料,并利用纳米压痕法测试了HNTs/环氧树脂复合材料的弹性模量、硬度和蠕变性能.SEM和TEM观测表明:HNTs在环氧树脂中分散情况较好.纳米压痕实验结果表明:在不牺牲HNTs/环氧树脂复合材料弹性模量、硬度以及玻璃化转变温度的基础上,HNTs明显提高了环氧树脂基复合材料的抗蠕变性能,这主要是由于HNTs和环氧基分子链形成了新的交联结构,增加了材料的交联密度,刚性纳米粒子限制了环氧基分子链的活动性.
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