About: Formation of micro-grooves under impact loading in elliptical contacts with surface ridges

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This paper is focused on the effect of impact loading on micro-deformation of asperities in elliptical elastohydrodynamic contacts. Based upon isothermal Newtonian numerical analyses, it is elucidated that a micro-groove, which appears in the ridge under impact loading in elliptical contacts, is brought about by two different mechanisms. One is the smooth surface local pressure difference across the virtual ridge and the other is the macroscopic pressure difference along the ridge. The formation of the micro-groove due to the former mechanism is influenced by the shape, size and orientation of the ridge, and the smooth surface pressure distribution depending on the initial impact gap and loading speed, and that due to the latter is markedly influenced by the loading speed. This paper is focused on the effect of impact loading on micro-deformation of asperities in elliptical elastohydrodynamic contacts. Based upon isothermal Newtonian numerical analyses, it is elucidated that a micro-groove, which appears in the ridge under impact loading in elliptical contacts, is brought about by two different mechanisms. One is the smooth surface local pressure difference across the virtual ridge and the other is the macroscopic pressure difference along the ridge. The formation of the micro-groove due to the former mechanism is influenced by the shape, size and orientation of the ridge, and the smooth surface pressure distribution depending on the initial impact gap and loading speed, and that due to the latter is markedly influenced by the loading speed. (en)
Title	Formation of micro-grooves under impact loading in elliptical contacts with surface ridges Formation of micro-grooves under impact loading in elliptical contacts with surface ridges (en)
skos:prefLabel	Formation of micro-grooves under impact loading in elliptical contacts with surface ridges Formation of micro-grooves under impact loading in elliptical contacts with surface ridges (en)
skos:notation	RIV/00216305:26210/13:PU106127!RIV14-GA0-26210___
http://linked.open...avai/predkladatel	Fakulta strojního inženýrství
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(EE2.3.20.0126), P(GAP101/12/1687)
http://linked.open...iv/cisloPeriodika	9
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Křupka, Ivan Hartl, Martin Kaneta, Motohiro
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Fakulta strojního inženýrství
http://linked.open...dnocenehoVysledku	75521
http://linked.open...ai/riv/idVysledku	RIV/00216305:26210/13:PU106127
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	elastohydrodynamic lubrication, impact, elliptical contact, roughness (en)
http://linked.open.../riv/klicoveSlovo	roughness elastohydrodynamic lubrication impact elliptical contact
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[C3A9E7BEA972]
http://linked.open...i/riv/nazevZdroje	Tribology International
http://linked.open...in/vavai/riv/obor	JR
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	A novel concept of non-conforming contact lubrication based on thermal micro-elastohydrodynamics Development of international team for tribology research
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	65
http://linked.open...iv/tvurceVysledku	Hartl, Martin Křupka, Ivan Kaneta, Motohiro
issn	0301-679X
number of pages	10 (xsd:int)
http://localhost/t...ganizacniJednotka	26210

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