Fretting wear behavior of burnished pure copper under oil lubrication
Burnishing is an important mechanical surface enhancement technique which can smooth the component surface and improve the components fatigue,wear and anti-corrosion properties.Fretting tests lubricated with mineral oil were performed on a pure copper (PC) against a Si3N4 ball.The burnished surface exhibited a significantly improved fretting wear resistance and higher friction coefficient in comparison with the coarse-grained (CG) form.The wear volume of the burnished PC is quite lower than that of the CG PC.The friction coefficient of the CG PC increases with an increasing load,while the friction coefficient ofbumished PC decreases with an increasing load up to 100N and then increases.The enhanced wear properties of the burnished surface are correlated with the compressive residual stress and work-hardening,which may partly result from grain refinement induced by burnishing.
Burnishing Fretting wear Oil lubrication Pure Copper
Ning Li Jing Zhao Wei Xia Fenglei Li
School of Mechanical and Automotive Engineering,South China-University of Technology,Guangzhou,China
国际会议
广州
英文
1108-1112
2012-11-16（万方平台首次上网日期，不代表论文的发表时间）