铜单晶的静拉伸力学性能和变形特性研究  

Research on Mechanical Properties and Characteristics of Plastic Deformation of Continuous Casting of Single Crystal Copper Wire

作　　者：张功[1] 张忠明[1] 郭学锋[1] 时胜利[1] 

机构地区：[1]西安理工大学材料科学与工程学院,陕西西安710048

出　　处：《铸造技术》2004年第6期434-435,437,共3页Foundry Technology

摘　　要：利用单晶连铸技术制备了铜单晶棒材 ,并对棒材的拉伸性能和变形特性进行研究。通过对铜单晶的加工硬化特征、滑移特征及断裂模式的分析 ,表明铜单晶具有优异的塑性变形行为 。The mechanical properties and characteristics of plastic deformation of single crystal copper wire , which is produced by the single crystal continuous casting method, are studied. By analyzing the characteristics of work-hardening, slipping, and fracture of single crystal copper, it shows that single crystal copper with outstanding ability of plastic deformation, can work as high quality ingot in the deep processing.

关 键 词：单晶连铸 铜单晶 加工硬化 韧性断裂 

分 类 号：TG115[金属学及工艺—物理冶金]