Fabrication of Diamond Reinforced Al-Matrix Composites by Vacuum Hot Press Method and Thermal Properties

Li Xin; Peng Jun; Long Jianping; Wang Pengwei

doi:10.15980/j.tzzz.2015.12.019

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Fabrication of Diamond Reinforced Al-Matrix Composites by Vacuum Hot Press Method and Thermal Properties
Vol. 35, Issue 12, Pages: 1295-1298(2015)
Published： 2015 ，
DOI： 10.15980/j.tzzz.2015.12.019

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[1]李信,彭军,龙剑平,王鹏威.真空热压烧结法制备金刚石/Al-Cu基复合材料[J].特种铸造及有色合金,2015,35(12):1295-1298.

Li Xin, Peng Jun, Long Jianping, et al. Fabrication of Diamond Reinforced Al-Matrix Composites by Vacuum Hot Press Method and Thermal Properties. [J]. Special Casting & Nonferrous Alloys 35(12):1295-1298(2015)
[1]李信,彭军,龙剑平,王鹏威.真空热压烧结法制备金刚石/Al-Cu基复合材料[J].特种铸造及有色合金,2015,35(12):1295-1298. DOI： 10.15980/j.tzzz.2015.12.019.

Li Xin, Peng Jun, Long Jianping, et al. Fabrication of Diamond Reinforced Al-Matrix Composites by Vacuum Hot Press Method and Thermal Properties. [J]. Special Casting & Nonferrous Alloys 35(12):1295-1298(2015) DOI： 10.15980/j.tzzz.2015.12.019.

摘要

采用真空热压烧结法成功制备了金刚石/Al-Cu基复合材料。研究表明

少量Cu粉的添加

能优化金刚石/纯Al复合材料的热膨胀系数、热导率等热性能。在室温

00℃

金刚石体积含量为50%的复合材料热膨胀系数为（7.3

1.3）×10-6/℃。在室温下

热导率为325 W/（m·K）。

Abstract

Diamond/Al-Cu matrix composites were fabricated successfully by a vacuum hot press method.The thermal expansion coefficient（CTE）and thermal conductivity（TC）of diamond/pure Al composites can be optimized with adding a small amount of Cu powders.The results show that the CTE of diamond/Al-Cu matrix composites with 50% diamond content reaches（7.3

1.3）×10-6/℃ between room temperature to 300 ℃ and the TC is 325 W/（m·K）at room temperature.

关键词

电子封装金刚石/AlCu基复合材料热压真空烧结

Keywords

Electronic PackagingDiamond/Al-Cu Matrix CompositesVacuum Hot Press Sintering

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