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  • 文献标题:   Enhanced mechanical properties and electrical conductivity of graphene nanoplatelets/Cu composites by in situ formation of Mo2C nanoparticles
  • 文献类型:   Article
  • 作　　者:   GUO SY, ZHANG X, SHI CS, LIU EZ, HE CN, HE F, ZHAO NQ
  • 作者关键词:   metal matrix composite, interface, mechanical propertie, strengthening mechanism, electrical conductivity
  • 出版物名称:   MATERIALS SCIENCE ENGINEERING ASTRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE PROCESSING
  • ISSN:   0921-5093 EI 1873-4936
  • 通讯作者地址:   Tianjin Univ
  • 被引频次:   4
  • DOI:   10.1016/j.msea.2019.138365
  • 出版年:   2019

▎ 摘　　要

Poor mechanical interfacial bonding between graphene nanoplatelets (GNPs) and Cu is unfavorable to the comprehensive properties of the GNPs/Cu composites. Molybdenum carbide coating graphene nanoplatelets (Mo2C@GNPs) were prepared by impregnation reduction combined with in situ reaction to improve the interfacial bonding of Cu matrix composites. Compared with GNPs/Cu composites, Mo2C@GNPs/Cu composites exhibit excellent mechanical properties. It is due to the fact that Mo2C not only improves the interface bonding between the GNPs and Cu matrix, but also increases the strength of composites by dislocation strengthening as nanoparticle reinforcing phase. In addition, the conductivity of Mo2C@GNPs/Cu composites is higher than that of GNPs/Cu composites due to the improved interfacial bonding. This work sheds light on adding carbides to control the properties of GNPs/CU composites.