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氧化铝/碳材料导热硅脂的研究

Release time:2023-10-19 Hits:

Key Words:导热硅脂;;碳材料;;颗粒级配

Abstract:以石墨烯、碳纤维、炭黑为导热填料,球形氧化铝和二甲基硅油为导热基体通过简单混磨制备了一系列导热硅脂。用扫描电子显微镜、透射电子显微镜等手段对导热填料进行表征。通过对球形氧化铝进行颗粒级配、加入碳材料来提高导热硅脂的导热系数。结果表明:不同粒径的球形氧化铝颗粒级配能够提高导热硅脂的导热系数;与其他碳材料相比,在加入相同质量时,石墨烯能够更好地提高导热硅脂的导热系数,导热系数随着石墨烯加入量的增加而增大,导热系数最大值为1.223 W·(m·K)~(-1)。

Volume:v.39;No.170

Issue:01

Translation or Not:no

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