Research Progress on Copper Matrix Composites Reinforced with Tungsten Carbide-Modified Nanocarbon
Nanocarbon/copper(Cu)composites have been regarded as a strong competitive candidate for the next generation of high-performance Cu matrix materials with structural and functional integration.However,the strengthening efficiency of nanocarbon and Cu is low due to poor interfacial wettability and weak interfacial bonding.To improve the interfacial bonding between nanocarbon and Cu,researchers have proposed the use of the interface of tungsten carbide(WC)-modified composites,which possess strong wettability with both Cu and carbon and has gradually become a research hotspot in this material field.Therefore,this article reviewed the preparation,microstructure,and properties of Cu matrix composites reinforced with WC-modified nanocarbon in China and abroad.The interfacial reactions and crystallographic orientation relationship of the composites were analyzed.The roles of WC in strengthening and toughening,as well as the electrical and thermal conductivity of the composites,were discussed.In addition,it was suggested that future research on high-performance WC-modified nanocarbon/Cu composites should focus on the influence of the interfacial structure on the properties of the composites,the mechanism of action,and the design of heterogeneous structure configuration.
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