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Statements

Subject Item
n2:RIV%2F00216305%3A26210%2F05%3APU53968%21RIV06-MSM-26210___
rdf:type
skos:Concept n14:Vysledek
dcterms:description
Článek shrnuje výsledky získané při studiu velmi tenkých mazacích filmů za vysokých kontaktních tlaků. Tloušťka mazacího filmu byla stanovována kolorimetrickou interferometrií pro hodnoty maximálního Hertzova tlaku 0.52, 1.01 and 1.54 GPa. Bylo zjištěno,že za těchto podmínek dochází k odchylce od lineární závislosti (v logaritmických souřadnicích) tloušťky mazacího filmu na rychlosti valení. Recent numerical results have indicated that the relationship between the film thickness and the speed may not always follow the simple power law, especially under severe conditions. This paper is aimed at obtaining experimental results at high contact stresses and low speeds to study the thin film behavior. Ultra-thin lubricant films were observed at maximum Hertz pressures of 0.52, 1.01 and 1.54 GPa by using an optical test rig. Central and minimum film thickness values were obtained with thin film coolorimetric interferometry from chromatic interferograms. The non-linear behavior of both central and minimum film thicknesses in log-log coordinates was observed as rolling speed and thereby film thickness decreased. This tendency became more obvious athigher contact pressures. Recent numerical results have indicated that the relationship between the film thickness and the speed may not always follow the simple power law, especially under severe conditions. This paper is aimed at obtaining experimental results at high contact stresses and low speeds to study the thin film behavior. Ultra-thin lubricant films were observed at maximum Hertz pressures of 0.52, 1.01 and 1.54 GPa by using an optical test rig. Central and minimum film thickness values were obtained with thin film coolorimetric interferometry from chromatic interferograms. The non-linear behavior of both central and minimum film thicknesses in log-log coordinates was observed as rolling speed and thereby film thickness decreased. This tendency became more obvious athigher contact pressures.
dcterms:title
Influence of Contact Pressure on Central and Minimum Film Thickness Within Ultrathin Film Lubricated Contacts Vliv kontantního tlaku na centrální a minimální tloušťku mazacího filmu u velmi tenkých mazacích filmů Influence of Contact Pressure on Central and Minimum Film Thickness Within Ultrathin Film Lubricated Contacts
skos:prefLabel
Influence of Contact Pressure on Central and Minimum Film Thickness Within Ultrathin Film Lubricated Contacts Influence of Contact Pressure on Central and Minimum Film Thickness Within Ultrathin Film Lubricated Contacts Vliv kontantního tlaku na centrální a minimální tloušťku mazacího filmu u velmi tenkých mazacích filmů
skos:notation
RIV/00216305:26210/05:PU53968!RIV06-MSM-26210___
n3:strany
890-892
n3:aktivita
n15:Z
n3:aktivity
Z(MSM0021630508)
n3:cisloPeriodika
4
n3:dodaniDat
n17:2006
n3:domaciTvurceVysledku
n11:8892822 n11:9868631 n11:7016514
n3:druhVysledku
n10:J
n3:duvernostUdaju
n16:S
n3:entitaPredkladatele
n18:predkladatel
n3:idSjednocenehoVysledku
524652
n3:idVysledku
RIV/00216305:26210/05:PU53968
n3:jazykVysledku
n6:eng
n3:klicovaSlova
lubrication, high pressure, film thickness
n3:klicoveSlovo
n13:lubrication n13:high%20pressure n13:film%20thickness
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[9753A3F414DC]
n3:nazevZdroje
ASME Transaction, Journal of Tribology
n3:obor
n5:JR
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
3
n3:rokUplatneniVysledku
n17:2005
n3:svazekPeriodika
127
n3:tvurceVysledku
Křupka, Ivan Hartl, Martin Liška, Miroslav
n3:zamer
n12:MSM0021630508
s:issn
0742-4787
s:numberOfPages
3
n9:organizacniJednotka
26210