Preparation of Cu Coated Nano SiC Composite Particles by Heterogeneous Precipitation Process

Abstract

Abstract: Nano SiC particles in cubic structure were commercially available. The average diameter was about 120nm.
A heterogeneous precipitation process was regulated under 100℃. Nano Cu crystallites were attained based on cementation reaction. The coating of Cu on SiC was characterized by several
analysis methods to assess the coating quality as well as the phase distribution between Cu and SiC. Rough surface of the adherent nano Cu
crystallites is formed on the coated composite particles. A surface layer composed of Cu₂O entrapped outside the coated composite particles. It
is the spontaneous oxidation of the nano Cu crystallites that leads to the existence of Cu₂O.

Key words: coating, Cu, SiC, heterogeneous precipitation

CLC Number:

TB333

ZHANG Rui,GAO Lian,GUO Jing-Kun. Preparation of Cu Coated Nano SiC Composite Particles by Heterogeneous Precipitation Process[J]. Journal of Inorganic Materials.

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Preparation of Cu Coated Nano SiC Composite Particles by Heterogeneous Precipitation Process

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