Wear rate testing in relation to airborne particles generated in a wheel-rail contact

被引：49
|
作者：
Sundh, Jon [1 ]
Olofsson, Ulf [1 ]
Olander, Lars [2 ]
Jansson, Anders [3 ]
机构：
[1] Royal Inst Technol, KTH Machine Design, S-10044 Stockholm, Sweden
[2] Royal Inst Technol, KTH Bldg Serv Engn, SE-10044 Stockholm, Sweden
[3] Stockholm Univ ITM, SE-10691 Stockholm, Sweden
来源：
LUBRICATION SCIENCE | 2009年 / 21卷 / 04期
关键词：
seizure; wear; airborne; wheel; rail; SIZE DISTRIBUTIONS;
D O I：
10.1002/ls.80
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
This study examines the relationship between generated airborne particles and wear rate in the wheel-rail contact. The wheel-rail contact is experimentally simulated by using pin-on-disc testing to determine the difference in wear rate between selected contact conditions. Wear is discussed both in tribological terms and by using the wear categories prevalent in the railway industry, namely, mild, severe and catastrophic wear. The discussion is based on wear depth, the coefficient of friction, topographical measurements and measurements of airborne particles generated in the contact. The tests were performed under selected loading conditions representative of different contact conditions in a real wheel-rail contact. The results indicate that wear rates vary with the contact conditions arising from different types of triggered wear transitions. This is emphasised by the number and size of the airborne particles generated. Copyright (C) 2009 John Wiley & Sons, Ltd.
引用
收藏
页码：135 / 150
页数：16
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