Acquiring well balanced strength and ductility of Cu/CNTs composites with uniform dispersion of CNTs and strong interfacial bonding

被引：34
|
作者：
Wang, Xinhua [1 ]
Guo, Baisong [1 ]
Ni, Song [1 ]
Yi, Jianhong [2 ]
Song, Min [1 ]
机构：
[1] Cent S Univ, State Key Lab Powder Met, Changsha 410083, Hunan, Peoples R China
[2] Kunming Univ Sci & Technol, Sch Mat Sci & Engn, Kunming 650093, Yunnan, Peoples R China
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2018年 / 733卷
基金：
中国国家自然科学基金;
关键词：
Carbon nanotubes; Copper matrix composites; Strength; Ductility; Microstructure; CARBON NANOTUBES; MECHANICAL-PROPERTIES; MATRIX COMPOSITES; POWDER-METALLURGY; COMBINATION; FABRICATION;
D O I：
10.1016/j.msea.2018.07.046
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Acquiring metal matrix composites with high strength and large ductility simultaneously is a critical issue, which determines their potential applications in industrial field. In this study, we reported that the well balanced high strength and ductility of Cu/CNTs composites can be achieved by combined effects of full densification, uniform dispersion of CNTs, strong interfacial bonding and suitable Cu matrix features. The interfacial bonding in Cu/CNTs composites is highly dependent on the sintering temperature and CNTs content. The related strengthening and toughening mechanisms were discussed according to the microstructure and related model. This study provides a new insight in fabricating CNTs-reinforced metal matrix composites with high strength and large ductility.
引用
收藏
页码：144 / 152
页数：9
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