Interface effect on thermal conductivity of carbon nanotube composites
Interface effect on thermal conductivity of carbon nanotube composites
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DOI：
10.1063/1.1808874
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发表时间：
2004-10-18
影响因子：
4
通讯作者：
Li, M
中科院分区：
文献类型：
--
作者：
Nan, CW;Liu, G;Li, M
将界面热阻与有效介质法相结合，提出了一个简单的碳纳米管复合材料导热系数增强的计算公式。该模型很好地描述了最近在纳米管悬浮液中观察到的热导率增强。特别是，这个简单的公式预测，一个大的界面热阻跨纳米管-基体界面的热导率的增强导致显着的退化，即使是嵌入的碳纳米管的固有热导率和纵横比的情况下。(C)2004年，美国物理学会。
A simple formula for the thermal conductivity enhancement in carbon nanotube composites is presented by incorporating the interface thermal resistance with an effective medium approach. This model well describes the thermal conductivity enhancement observed recently in nanotube suspensions. In particular, this simple formula predicts that a large interface thermal resistance across the nanotube-matrix interface causes a significant degradation in the thermal conductivity enhancement, even for the case with ultrahigh intrinsic thermal conductivity and aspect ratio of the carbon nanotubes embedded. (C) 2004 American Institute of Physics.