西安工程大学学报2017，Vol.31Issue(4)：533-536,4.DOI:10.13338/j.issn.1674-649x.2017.04.015
碳纳米管增强铜基复合材料的拉伸性能
Tensile property of CNTs reinforced copper matrix composites
摘要
Abstract
The CNTs/Cu composites and Gra./Cu composites were fabricated by the powder metallurgy technique.In order to study the reinforcing properties of CNTs in copper matrix, the hardness,relative density,tensile strength and fracture mechanism of CNTs/Cu were studied compared with Gra./Cu.The results show that the hardness and relative density of CNTs/Cu achieve peak with 12% CNTs content,and are always bigger than those of Gra./Cu with the same reinforcement content;the maximum tensile strength is 81 MPa for CNTs/Cu and 77.5 MPa for Gra./Cu;CNTs/Cu display the mix fracture features of inter-grain and trans-grain,while Gra./Cu displays intergranular fracture.CNTs with high strength,distribu-ted in meshwork and acting as framework,could restrict the extending of crack and improve the strength and ductibility of the composites.关键词
碳纳米管/铜基复合材料/抗拉强度/断裂机制Key words
CNTs/Cu matrix composites/tensile strength/fracture features分类
矿业与冶金引用本文复制引用
许玮,李炳宏,贾妍,王西珍..碳纳米管增强铜基复合材料的拉伸性能[J].西安工程大学学报,2017,31(4):533-536,4.基金项目
西安工程大学博士科研启动基金资助项目(BS1303) （BS1303）
