Fabrication of C/Cu Composites by Mechanical Activation and Spark Plasma Sintering

Xue Ran Liu; Y. B. Liu; Y. Sun; G.H. Su

doi:10.4028/www.scientific.net/AMR.499.223

Paper Titles

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Theory Analysis of FBG Characteristics under 3D Homogeneous Stress Field
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Comparative Study of RANS and LES Simulation Methods for Analysis of Turbulence in a Tubular Stirred Reactor
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Fabrication of C/Cu Composites by Mechanical Activation and Spark Plasma Sintering
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Research on Oil Change Period of LNG and Diesel Engine Bus
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 499Fabrication of C/Cu Composites by Mechanical...

Fabrication of C/Cu Composites by Mechanical Activation and Spark Plasma Sintering

Abstract:

C/Cu self-lubricating composites were a kind of potentially functional materials. Nanostructured C/Cu composites were prepared by the new technology of mechanical activation-spark plasma sintering (MA-SPS). Microstructures of the as-milled powder and the as-sintered simple were characterized by transmission electron microscopy (TEM) and X-ray diffraction (XRD), respectively. These investigations indicated that in Cu-C immiscible system, the nanostructured supersaturated solid solution of carbon in copper was formed at atomic level after milling for 24 h. Microstructures of SPS sintered C/Cu composites still kept the nanostructure. In addition, Cu-C interface bonding was good. It was ascribed to a double activation mechanism in the MA-SPS process, which improved the sintering activity of C/Cu powders. Nanostructured C/Cu composites were obtained by SPS sintered at 600 °C for 3 min.

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Periodical:

Advanced Materials Research (Volume 499)

Pages:

223-226

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.499.223

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Online since:

April 2012

Authors:

Xue Ran Liu, Y. B. Liu, Y. Sun, G.H. Su

Keywords:

C/Cu Composites, Mechanical Activation, Spark Plasma Sintering (SPS), Supersaturated Solid Solution

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