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Functional parameter screening for predicting durability of rolling sliding contacts with different surface finishes
Halmstad University, School of Business, Engineering and Science, The Rydberg Laboratory for Applied Sciences (RLAS).ORCID iD: 0000-0003-3149-4296
Halmstad University, School of Business, Engineering and Science, The Rydberg Laboratory for Applied Sciences (RLAS).ORCID iD: 0000-0002-8421-9127
Halmstad University, School of Business, Engineering and Science, The Rydberg Laboratory for Applied Sciences (RLAS).ORCID iD: 0000-0001-8058-1252
Volvo Group Trucks Technology, Gothenburg, Sweden.
2018 (English)In: Surface Topography: Metrology and Properties, ISSN 2051-672X, Vol. 6, no 2, article id 024005Article in journal (Refereed) Published
Abstract [en]

The reliability and lifetime of machine elements such as gears and rolling bearings depend on their wear and fatigue resistance. In order to screen the wear and surface damage, three finishing processes: (i) brushing, (ii) manganese phosphating and (iii) shot peening were applied on three disc pairs and long-term tested on a twin-disc tribometer. In this paper, the elastic contact of the disc surfaces (measured after only few revolutions) was simulated and a number of functional and roughness parameters were correlated. The functional parameters consisted of subsurface stresses at different depths and a new parameter called 'pressure spikes' factor'. The new parameter is derived from the pressure distribution and takes into account the proximity and magnitude of the pressure spikes. Strong correlations were found among the pressure spikes' factor and surface peak/height parameters. The orthogonal shear stresses and Von Mises stresses at the shallowest depths under the surface have shown the highest correlations but no good correlations were found when the statistics of the whole stress fields was analyzed. The use of the new parameter offers a fast way to screen the durability of the contacting surfaces operating at similar conditions. © 2018 IOP Publishing Ltd.

Place, publisher, year, edition, pages
Bristol: Institute of Physics Publishing (IOPP), 2018. Vol. 6, no 2, article id 024005
National Category
Tribology (Interacting Surfaces including Friction, Lubrication and Wear)
Identifiers
URN: urn:nbn:se:hh:diva-37817DOI: 10.1088/2051-672X/aabd71ISI: 000431455700001Scopus ID: 2-s2.0-85051420390OAI: oai:DiVA.org:hh-37817DiVA, id: diva2:1242757
Funder
VINNOVAAvailable from: 2018-08-29 Created: 2018-08-29 Last updated: 2018-08-29Bibliographically approved

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Dimkovski, ZlateLööf, Pär-JohanRosén, Bengt Göran

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Tribology (Interacting Surfaces including Friction, Lubrication and Wear)

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CiteExportLink to record
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