Wear and damage transitions of wheel and rail materials under various contact conditions

被引：83
|
作者：
Wang, W. J. [1 ,2 ]
Lewis, R. [2 ]
Yang, B. [1 ]
Guo, L. C. [1 ]
Liu, Q. Y. [1 ]
Zhu, M. H. [1 ]
机构：
[1] Southwest Jiaotong Univ, Tribol Res Inst, State Key Lab Tract Power, Chengdu 610031, Peoples R China
[2] Univ Sheffield, Dept Mech Engn, Mappin St, Sheffield S1 3JD, S Yorkshire, England
来源：
WEAR | 2016年 / 362卷
基金：
中国国家自然科学基金;
关键词：
Rail-wheel tribology; Rolling-sliding; Surface topography; Mapping; IMPROVING ADHESION; FRICTION MODIFIER; STEELS; INTERFACE; MICROSTRUCTURE; PERFORMANCE; MECHANISMS; BEHAVIOR; PARTICLE; FATIGUE;
D O I：
10.1016/j.wear.2016.05.021
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This study discusses a T gamma/A method of plotting wear data from a twin-disc machine for identifying the wear and damage transitions of wheel and rail materials. As found in previous work, three wear regimes (mild wear, severe wear and catastrophic wear) of U71Mn rail material were identified in dry rolling sliding contact tests. It was determined that the damage mechanism transforms in the different wear regimes. Here earlier studies were extended to establish wear behavior for the presence of a number of third body materials (oil, water, friction enhancers) and a rail cladding process designed to make wheels and rails more durable. This has provided much needed data for Multi-Body Dynamics (MBD) simulations, and will allow better predictions of profile evolution of wheel and rail over a wider range of conditions. (C) 2016 Elsevier B.V. All rights reserved.
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页码：146 / 152
页数：7
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