MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678
Diamond-Reinforced Metal Matrix Bulk Materials Fabricated by a Low-Pressure Cold-Spray Process
Hansang KwonSeungchan ChoAkira Kawasaki
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2015 Volume 56 Issue 1 Pages 108-112

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Abstract

Fully densified diamond-reinforced aluminum (denoted as Al-D) matrix bulk materials were successfully fabricated using a low-pressure cold-spray process. Two different temperatures of the processing gas were used in order to deposit the Al-D composite powders, and the thermophysical properties of the Al-D bulk materials were investigated. The interfaces between the matrix and reinforcement were observed by scanning electron microscopy in order to understanding of the relationship between the thermophysical properties and microstructure. The thermophysical properties of the Al-D bulk materials were better than those of pure Al processed under the same conditions. We believe that this cold-spray process can be successfully applied for fabricating Al-D bulk materials.

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© 2014 The Japan Institute of Metals and Materials
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