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A Study of Airborne Wear Particles Generated From a Sliding Contact
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Tribologi.ORCID iD: 0000-0003-2489-0688
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Building Services Engineering.
2009 (English)In: Journal of tribology, ISSN 0742-4787, E-ISSN 1528-8897, Vol. 131, no 4Article in journal (Refereed) Published
Abstract [en]

Recently, much attention has been paid to the influence of airborne particles in the atmosphere on human health. Sliding contacts are a significant source of airborne particles in urban environments. In this study airborne particles generated from a sliding steel-on-steel combination are studied using a pin-on-disk tribometer equipped with airborne-particle counting instrumentation. The instrumentation measured particles in size intervals from 0.01 mu m to 32 mu m. The result shows three particle size regimes with distinct number peaks: ultrafine particles with a size distribution peak around 0.08 mu m, fine particles with a peak around 0.35 mu m, and coarse particles with a peak around 2 or 4 mu m. Both the particle generation rate and the wear rate increase with increasing sliding velocity and contact pressure.

Place, publisher, year, edition, pages
2009. Vol. 131, no 4
Keyword [en]
aerosols, mechanical contact, wear, air-pollution, mortality
Identifiers
URN: urn:nbn:se:kth:diva-18834DOI: 10.1115/1.3176990ISI: 000270458600022Scopus ID: 2-s2.0-74649085961OAI: oai:DiVA.org:kth-18834DiVA: diva2:336881
Note
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2017-12-12Bibliographically approved

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Olofsson, Ulf

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