电流和摩擦速度对输电材料磨损性能的影响  

Influences of Current and Friction Speed on Wear Performance of Electricity Transmission Material

作　　者：刘德波[1] 张萍[2] 

机构地区：[1]黄河科技学院工学院,河南郑州450063 [2]新乡职业技术学院机电系,河南新乡453000

出　　处：《热加工工艺》2016年第14期78-80,84,共4页Hot Working Technology

摘　　要：在载流高速摩擦磨损试验机上进行磨损试验,研究了速度和电流对输电材料(纯铜)磨损性能的影响,并对摩擦表面形貌进行了观察。结果表明:在一定速度条件下,电流增大,纯铜的摩擦系数减小,磨损率增大;在一定电流条件下,速度增大,纯铜的摩擦系数和磨损率都增大;在电流和速度的影响下,摩擦表面呈现粘着、塑性变形及氧化磨损特征。The wear experiments were carried out on high-speed friction and wear tester. Then, the influences of current and velocity on the friction coefficient and wear rate of electricity transmission material （copper） were studied. The morphology of the wear surface was observed. The results show that the friction coefficient of pure Cu decreases and the wear rate rises with the increase of current at a certain velocity. At a certain current, both the friction coefficient and the wear rate of pure Cu rise along with the increase of velocity. Under the influences of the current and velocity, the friction surface shows adhesive, plastic deformation and oxidation wear characteristics.

关 键 词：纯铜 速度 电流 磨损机理 

分 类 号：TG115[金属学及工艺—物理冶金] TH117.1[金属学及工艺—金属学]