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 to . The result shows three particle size regimes with distinct number peaks: ultrafine particles with a size distribution peak around , fine particles with a peak around , and coarse particles with a peak around 2 or . Both the particle generation rate and the wear rate increase with increasing sliding velocity and contact pressure.
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e-mail: ulf.olofsson@itm.kth.se
e-mail: lars.olander@byv.kth.se
e-mail: anders.jansson@itm.su.se
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October 2009
Technical Briefs
A Study of Airborne Wear Particles Generated From a Sliding Contact
Ulf Olofsson,
Ulf Olofsson
Department of Machine Design,
e-mail: ulf.olofsson@itm.kth.se
Royal Institute of Technology
, SE 100 44 Stockholm, Sweden
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Lars Olander,
Lars Olander
Department of Building Services Engineering,
e-mail: lars.olander@byv.kth.se
Royal Institute of Technology
, SE 100 44 Stockholm, Sweden
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Anders Jansson
Anders Jansson
Department of Applied Environmental Science,
e-mail: anders.jansson@itm.su.se
Stockholm University
, SE 106 91 Stockholm, Sweden
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Ulf Olofsson
Department of Machine Design,
Royal Institute of Technology
, SE 100 44 Stockholm, Swedene-mail: ulf.olofsson@itm.kth.se
Lars Olander
Department of Building Services Engineering,
Royal Institute of Technology
, SE 100 44 Stockholm, Swedene-mail: lars.olander@byv.kth.se
Anders Jansson
Department of Applied Environmental Science,
Stockholm University
, SE 106 91 Stockholm, Swedene-mail: anders.jansson@itm.su.se
J. Tribol. Oct 2009, 131(4): 044503 (4 pages)
Published Online: September 23, 2009
Article history
Received:
August 31, 2008
Revised:
June 3, 2009
Published:
September 23, 2009
Citation
Olofsson, U., Olander, L., and Jansson, A. (September 23, 2009). "A Study of Airborne Wear Particles Generated From a Sliding Contact." ASME. J. Tribol. October 2009; 131(4): 044503. https://doi.org/10.1115/1.3176990
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