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Microtextured surfaces in higher loaded rolling-sliding EHL line-contacts

Title data

Marian, Max ; Tremmel, Stephan ; Wartzack, Sandro:
Microtextured surfaces in higher loaded rolling-sliding EHL line-contacts.
In: Tribology International. Vol. 127 (November 2018) . - pp. 420-432.
ISSN 0301-679X
DOI: https://doi.org/10.1016/j.triboint.2018.06.024

Project information

Project financing: Deutsche Forschungsgemeinschaft

Abstract in another language

Due to scarce resources coupled with increasing mobility requirements, resource-efficient machine and motor elements are vital. Therefore, surfaces in lubricated tribological contacts can be microtextured, enabling improved lubricating conditions and friction behavior. While this has already been shown for lower loaded contacts, the effects for higher loaded, application-oriented EHL contacts are topic of basic research. Therefore, geometrically defined microtextures are adapted to the tribological system of the tappet/camshaft contact in the valve train of combustion engines as a demonstrator. The tribological performance in respect to lubricating conditions, friction and wear behavior is analyzed on single cam/tappet component test-rigs. EHL simulation is used as ‘numerical zoom’ into a section of the contact area contributing to better understanding of effects and observed phenomena.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: Surface texture; Friction; Wear; Elastohydrodynamic lubrication
Institutions of the University: Faculties > Faculty of Engineering Science > Chair Engineering Design and CAD
Profile Fields > Advanced Fields > Advanced Materials
Profile Fields > Emerging Fields > Energy Research and Energy Technology
Result of work at the UBT: No
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 17 Sep 2020 12:36
Last Modified: 17 Sep 2020 12:36
URI: https://eref.uni-bayreuth.de/id/eprint/57142