A pin-on-disc study of the rate of airborne wear particle emissions from railway braking materials

被引：49
|
作者：
Abbasi, Saeed [1 ]
Jansson, Anders [2 ]
Olander, Lars [3 ]
Olofsson, Ulf [1 ]
Sellgren, Ulf [1 ]
机构：
[1] KTH Machine Design, SE-10044 Stockholm, Sweden
[2] Stockholm Univ Appl Environm Sci, SE-10691 Stockholm, Sweden
[3] KTH Bldg Serv Engn, SE-10044 Stockholm, Sweden
来源：
WEAR | 2012年 / 284卷
关键词：
Airborne particles; Railway; Wear; Brake pad; Brake block; SIZE DISTRIBUTIONS;
D O I：
10.1016/j.wear.2012.01.016
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The current study investigates the characteristics of particles generated from the wear of braking materials, and provides an applicable index for measuring and comparing wear particle emissions. A pin-on-disc tribometer equipped with particle measurement instruments was used. The number concentration, size, morphology, and mass concentration of generated particles were investigated and reported for particles 10 nm-32 mu m in diameter. The particles were also collected on filters and investigated using EDS and SEM. The effects of wear mechanisms on particle morphology and changes in particle concentration are discussed. A new index, the airborne wear particle emission rate (AWPER), is suggested that could be used in legislation to control non-exhaust emissions from transport modes, particularly rail transport. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：18 / 29
页数：12
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