Fabrication and Characterization of Carbon-Aluminum Thermal Management Composites

被引：3
|
作者：
Jiang, N. [1 ]
Novak, J. P. [1 ]
Fink, R. L. [1 ]
机构：
[1] Appl Nanotech Inc, Austin, TX 78758 USA
来源：
26TH ANNUAL IEEE SEMICONDUCTOR THERMAL MEASUREMENT AND MANAGEMENT SYMPOSIUM, PROCEEDINGS 2010 | 2010年
关键词：
Thermal management material; carbon aluminum composite; low CTE; high-pressure impregnation;
D O I：
10.1109/STHERM.2010.5444308
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A carbon-based, aluminum composite material with low mass, high thermal conductivity and low coefficient of thermal expansion (CTE) has been developed and characterized in this study. The carbon-aluminum composite is fabricated by injecting molten aluminum into a porous graphitic carbon matrix using a high-pressure impregnation process. The CTE of the carbon-aluminum composite is 7 ppm/K, and the thermal conductivity is as high as 425 W/mK. The composite offers excellent thermal diffusivity, 2.5 - 3 times higher than that of Cu and Al, and a specific gravity less than that of Al.
引用
收藏
页码：87 / 92
页数：6
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