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Microstructure and Properties of Graphene/Copper Matrix Composites Prepared by In Situ Reduction

  • Xu RanEmail author
  • Yutong Wang
  • Yong Wang
Conference paper
Part of the Springer Proceedings in Physics book series (SPPHY, volume 217)

Abstract

Graphene/copper composite powders were prepared by in situ reduction method. The composite powders were mixed with copper powders, and the graphene/copper-based composites were prepared by spark plasma sintering (SPS) process. In this paper, the effects of graphene content on the microstructure and properties were studied. It was found that at certain sintering temperature, with the increase of graphene content, the hardness of the composite material first increased and then decreased. The rates of the relative density and electrical conductivity gradually decreased. When the content of graphene was 1.2 vol%, the composite material had the best comprehensive performance. The microhardness was 116 HV, which was 73% higher than that of pure copper (67 HV). The relative density and electrical conductivity were 98.5 and 95.1%, respectively.

Keywords

Graphene/copper matrix composite In situ reduction Spark plasma sintering Microstructure Properties 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  1. 1.Key Laboratory of Advanced Structural Materials, Ministry of EducationChangchun University of TechnologyChangchunChina

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