材料科学
复合材料
纳米颗粒
脱落石墨纳米血小板
石墨烯
涂层
相(物质)
复合数
纳米技术
有机化学
化学
作者
Siyuan Guo,Xiang Zhang,Chunsheng Shi,Enzuo Liu,Chunnian He,Fang He,Naiqin Zhao
标识
DOI:10.1016/j.msea.2019.138365
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 (Mo2[email protected]) were prepared by impregnation reduction combined with in situ reaction to improve the interfacial bonding of Cu matrix composites. Compared with GNPs/Cu composites, Mo2[email protected]/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 Mo2[email protected]/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.
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