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Open AccessArticle

Aluminum/Carbon Composites Materials Fabricated by the Powder Metallurgy Process

1
University of Bordeaux, CNRS, Bordeaux INP, ICMCB, UPR9048, F-33600 Pessac, France
2
Department of Materials Processing, Graduate School of Engineering, Tohoku University, Sendai 980-8579, Japan
3
Department of Electrical and Computer Engineering, University of Nebraska-Lincoln, Lincoln, NE 68588, USA
*
Author to whom correspondence should be addressed.
Materials 2019, 12(24), 4030; https://doi.org/10.3390/ma12244030
Received: 9 November 2019 / Revised: 28 November 2019 / Accepted: 29 November 2019 / Published: 4 December 2019
(This article belongs to the Special Issue Metal Matrix Composites: Experimental and Simulation)
Aluminum matrix composites reinforced with carbon fibers or diamond particles have been fabricated by a powder metallurgy process and characterized for thermal management applications. Al/C composite is a nonreactive system (absence of chemical reaction between the metallic matrix and the ceramic reinforcement) due to the presence of an alumina layer on the surface of the aluminum powder particles. In order to achieve fully dense materials and to enhance the thermo-mechanical properties of the Al/C composite materials, a semi-liquid method has been carried out with the addition of a small amount of Al-Si alloys in the Al matrix. Thermal conductivity and coefficient of thermal expansion were enhanced as compared with Al/C composites without Al-Si alloys and the experimental values were close to the ones predicted by analytical models. View Full-Text
Keywords: Al/C composite materials; carbon fiber; diamond particle; semi-liquid route; thermal management; powder processing Al/C composite materials; carbon fiber; diamond particle; semi-liquid route; thermal management; powder processing
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Veillère, A.; Kurita, H.; Kawasaki, A.; Lu, Y.; Heintz, J.-M.; Silvain, J.-F. Aluminum/Carbon Composites Materials Fabricated by the Powder Metallurgy Process. Materials 2019, 12, 4030.

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