紫铜/铬青铜摩擦磨损过程中电弧特性  

Arc Characteristics of Cu/QCr0.5 During Friction and Wear

作　　者：王一帆[1,2] 上官宝[1,2] 张永振[1,2] 杨正海[1,2,3] 杜三明[1,2] 

机构地区：[1]河南科技大学材料科学与工程学院,河南洛阳471023 [2]河南科技大学河南省摩擦学重点实验室,河南洛阳471023 [3]机械科学研究院武汉材料保护研究所,湖北武汉430030

出　　处：《河南科技大学学报（自然科学版）》2015年第4期5-8,13,共5页Journal of Henan University of Science And Technology:Natural Science

基　　金：国家自然科学基金项目(51375147;51375146)

摘　　要：以紫铜/铬青铜为摩擦副,在HST-100高速载流摩擦磨损试验机上进行摩擦磨损试验,试验过程中使用高速摄像机拍摄电弧放电的过程。研究结果表明:随着电流增大,摩擦因数降低,磨损率、电弧燃弧率及电弧能量均增大;电弧放电现象是随机的;紫铜/铬青铜的磨损行为主要有黏着磨损、熔融喷溅、氧化和塑性变形。The tests were carried on the HST-100 tribo-tester with Cu/QCr0.5 couple under electric current,and the arc discharge process was recorded with a high-speed camera. The results show that the friction coefficient decreases with the increasing of the current. The wear rate,arc rate and arc energy of Cu/QCr0.5 couples increase with the increasing of current. Arc discharge phenomenon is random in the test. The wear behaviors are adhesive wear,molten splash,oxidation and plastic deformation.

关 键 词：摩擦因数 磨损率 电弧放电 磨损行为 

分 类 号：TG146.11[一般工业技术—材料科学与工程]