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A study of friction modifiers on airborne wear particles from wheel-rail contact
KTH, Skolan för industriell teknik och management (ITM), Maskinkonstruktion (Inst.), Maskinelement. (KTH railway group)
KTH, Skolan för industriell teknik och management (ITM), Maskinkonstruktion (Inst.), Maskinelement. (KTH railway group)ORCID-id: 0000-0003-2489-0688
KTH, Skolan för industriell teknik och management (ITM), Maskinkonstruktion (Inst.), Maskinelement.
2012 (engelsk)Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Wheel-rail contact and its wear process are crucial issues in maintenance and operating of rolling stocks. During wheel-rail contact, materials in mating faces are worn off and some of them transferred to airborne particles. Eventhough the wear process in wheel-rail contact are well-known, few studies have been conducted on the airborne particles from wheel-rail contact.

The purpose of this study is to investigate the effect of using different friction modifier on the amount of airbotne particles from wheel-rail contact in a laboratory simulation. In this regard, a series laboratory tests were used by using round head pin (R=25mm) and dead weight 40 N in a pin-on-disc machine. This set-up simulates a contact pressure around 750 MPa on the pin head.

The amount of airborne particles and their characteristics were investigated in dry-contact, and non-dry contacts whereas a lubricant, Binol rail 510 and a friction modifier, tramsilence were used. According to the results, the effects of using Binol rail to reduce the amount of airborne particles were considerable.

sted, utgiver, år, opplag, sider
2012.
Emneord [en]
dry-contact, non-dry contact, airborne particles, railway
HSV kategori
Forskningsprogram
Järnvägsgruppen - Tribologi
Identifikatorer
URN: urn:nbn:se:kth:diva-63586OAI: oai:DiVA.org:kth-63586DiVA, id: diva2:482390
Konferanse
Nordtrib 2012
Merknad

QC 20121207 QC20160129

Tilgjengelig fra: 2012-01-23 Laget: 2012-01-23 Sist oppdatert: 2018-01-12bibliografisk kontrollert

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Olofsson, Ulf

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