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A pin-on-disc study of the rate of airborne wear particle emissions from railway braking materials
Stockholm University, Faculty of Science, Department of Applied Environmental Science (ITM).
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2012 (English)In: Wear, ISSN 0043-1648, E-ISSN 1873-2577, Vol. 284, 18-29 p.Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
2012. Vol. 284, 18-29 p.
Keyword [en]
Airborne particles, Railway, Wear, Brake pad, Brake block
National Category
Earth and Related Environmental Sciences
URN: urn:nbn:se:su:diva-80299DOI: 10.1016/j.wear.2012.01.016ISI: 000303639400002OAI: diva2:555252


Available from: 2012-09-19 Created: 2012-09-17 Last updated: 2012-09-19Bibliographically approved

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Jansson, Anders
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