为研究微、纳米氧化铝无机颗粒对环氧树脂导热性能和电性能的影响，制备出了不同含量微/纳米氧化铝/环氧树脂复合材料。结果表明：纳米氧化铝提高了环氧树脂的击穿强度，而微米氧化铝则降低了击穿强度。环氧树脂的热导率随着氧化铝含量的增加而增大，纳米氧化铝因氧化铝颗粒与环氧树脂之间的高热阻而对环氧树脂热导率影响相对较小。
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