The Influence of Cr-Coating on the Thermal Conductivity of Diamond/Cu Composites

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Abstract:

Diamond/Cu composites were fabricated by pressure infiltration method with Cr coating onto the diamond particles. The major challenge in the development of these composites is to obtain a well bonded interface between diamond particles and Cu. In this paper, an effective way to apply molten salt method coated chromium on diamond particles was used to solve the interface problem. The results showed that the bonded interface thickness of about 1μm was obtained. The relative density and thermal conductivity of coated composites were 99.5% and 396W/m K respectively, which were remarkably enhanced compared to that of uncoated composites.

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Advanced Materials Research (Volumes 557-559)

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1654-1658

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July 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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