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A Study of Airborne Wear Particles Generated From a Sliding Contact
KTH, Skolan för industriell teknik och management (ITM), Maskinkonstruktion (Inst.), Tribologi.ORCID-id: 0000-0003-2489-0688
KTH, Skolan för arkitektur och samhällsbyggnad (ABE), Byggvetenskap, Installationsteknik.
2009 (engelsk)Inngår i: Journal of tribology, ISSN 0742-4787, E-ISSN 1528-8897, Vol. 131, nr 4Artikkel i tidsskrift (Fagfellevurdert) 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.

sted, utgiver, år, opplag, sider
2009. Vol. 131, nr 4
Emneord [en]
aerosols, mechanical contact, wear, air-pollution, mortality
Identifikatorer
URN: urn:nbn:se:kth:diva-18834DOI: 10.1115/1.3176990ISI: 000270458600022Scopus ID: 2-s2.0-74649085961OAI: oai:DiVA.org:kth-18834DiVA, id: diva2:336881
Merknad
QC 20100525Tilgjengelig fra: 2010-08-05 Laget: 2010-08-05 Sist oppdatert: 2017-12-12bibliografisk kontrollert

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