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钢轨滚动磨损性能试验研究
引用本文:张伟,王文健,郭俊,李克皋,刘启跃.钢轨滚动磨损性能试验研究[J].润滑与密封,2007,32(1):11-13,36.
作者姓名:张伟  王文健  郭俊  李克皋  刘启跃
作者单位:1. 西南交通大学摩擦学研究所,四川成都,610031;铁道第四勘察设计院设备设计处,湖北武汉,430063
2. 西南交通大学摩擦学研究所,四川成都,610031
3. 铁道第四勘察设计院设备设计处,湖北武汉,430063
基金项目:教育部创新团队科学基金;国家自然科学基金
摘    要:在JD-1型轮轨摩擦试验机上研究了轴重与曲线半径对钢轨滚动磨损性能的影响。结果表明:轴重与曲线半径是影响钢轨磨损的主要因素。试样磨损量随着载荷的增加而增加,也随着曲线半径的减小而增加;试样表面磨损形貌随着载荷与曲线半径的改变而表现出不同的变化,其中大载荷和小曲线半径试验使钢轨试样磨损程度严重,表面容易产生较明显的塑性形变以及龟裂现象;制动力条件下滚动试样磨损更为严重。

关 键 词:轴重  曲线半径/冲角  滚动磨损  钢轨
文章编号:0254-0150(2007)1-011-3
修稿时间:2006-07-06

An Experimental Investigation on Rolling Wear of Rail Steel
Zhang Wei,Wang Wenjian,Guo Jun,Li Kegao,Liu Qiyue.An Experimental Investigation on Rolling Wear of Rail Steel[J].Lubrication Engineering,2007,32(1):11-13,36.
Authors:Zhang Wei  Wang Wenjian  Guo Jun  Li Kegao  Liu Qiyue
Affiliation:1. Tribology Research Institute, Southwest Jiaotong University, Chengdu Sichuan 610031, China; 2. Equipment Design Department, The Fourth Survey and Design Institute of China Railway, Wuhan Hubei 430063, China
Abstract:The effect of axle load and curve radius on the rolling wear characteristic of rail steel were investigated on JD-I wheel/rail simulation facilities. The results indicate that the axle load and curve radius are two key factors in the wear of rail. The wear volume increases accordantly with the vertical load increasing or the curve radius decreasing. The surface appearance of rolling samples changes with the changing of vertical load and curve radius. The wear of rail samples is severe under bigger vertical load and smaller curve radius, and the plastic deformation and chapping appear easily on the worn surface. The samples wear volume with braking force is bigger than that without braking force.
Keywords:axle load  curve radius/attack angle  rolling wear  rail steel
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