Stribeck Friction Curve in Point EHL Contacts

The ultra thin film interferometry and conventional optical interferometry techniques are used to measure the central film thickness and friction force as a function of the dimensionless speed parameter. Experiments were conducted in point contacts with a mineral bright stock oil and a disk-like che...

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Autores principales:	Hiroshi Nishikawa, Motohiro Kaneta
Formato:	article
Lenguaje:	EN
Publicado:	Japanese Society of Tribologists 2006
Materias:	point contact surface roughness film thickness friction coefficient lubrication regime stribeck friction curve Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/4a07e9c1947f44d9aac209c5dc2dcd86
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spelling	oai:doaj.org-article:4a07e9c1947f44d9aac209c5dc2dcd862021-11-05T09:30:29ZStribeck Friction Curve in Point EHL Contacts1881-219810.2474/trol.1.1https://doaj.org/article/4a07e9c1947f44d9aac209c5dc2dcd862006-08-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/trol/1/1/1_1_1/_pdf/-char/enhttps://doaj.org/toc/1881-2198The ultra thin film interferometry and conventional optical interferometry techniques are used to measure the central film thickness and friction force as a function of the dimensionless speed parameter. Experiments were conducted in point contacts with a mineral bright stock oil and a disk-like chemical compound by changing the temperature, entrainment velocity and surface roughness at a fixed slide-roll ratio. It has been found that the friction coefficient curve, i.e., the relationship between the friction coefficient and the dimensionless speed parameter, changes depending on lubrication regimes, even when the relationship between the central film thickness and the dimensionless speed parameter obeys EHL theory.Hiroshi NishikawaMotohiro KanetaJapanese Society of Tribologistsarticlepoint contactsurface roughnessfilm thicknessfriction coefficientlubrication regimestribeck friction curvePhysicsQC1-999Engineering (General). Civil engineering (General)TA1-2040Mechanical engineering and machineryTJ1-1570ChemistryQD1-999ENTribology Online, Vol 1, Iss 1, Pp 1-4 (2006)
institution	DOAJ
collection	DOAJ
language	EN
topic	point contact surface roughness film thickness friction coefficient lubrication regime stribeck friction curve Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999
spellingShingle	point contact surface roughness film thickness friction coefficient lubrication regime stribeck friction curve Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999 Hiroshi Nishikawa Motohiro Kaneta Stribeck Friction Curve in Point EHL Contacts
description	The ultra thin film interferometry and conventional optical interferometry techniques are used to measure the central film thickness and friction force as a function of the dimensionless speed parameter. Experiments were conducted in point contacts with a mineral bright stock oil and a disk-like chemical compound by changing the temperature, entrainment velocity and surface roughness at a fixed slide-roll ratio. It has been found that the friction coefficient curve, i.e., the relationship between the friction coefficient and the dimensionless speed parameter, changes depending on lubrication regimes, even when the relationship between the central film thickness and the dimensionless speed parameter obeys EHL theory.
format	article
author	Hiroshi Nishikawa Motohiro Kaneta
author_facet	Hiroshi Nishikawa Motohiro Kaneta
author_sort	Hiroshi Nishikawa
title	Stribeck Friction Curve in Point EHL Contacts
title_short	Stribeck Friction Curve in Point EHL Contacts
title_full	Stribeck Friction Curve in Point EHL Contacts
title_fullStr	Stribeck Friction Curve in Point EHL Contacts
title_full_unstemmed	Stribeck Friction Curve in Point EHL Contacts
title_sort	stribeck friction curve in point ehl contacts
publisher	Japanese Society of Tribologists
publishDate	2006
url	https://doaj.org/article/4a07e9c1947f44d9aac209c5dc2dcd86
work_keys_str_mv	AT hiroshinishikawa stribeckfrictioncurveinpointehlcontacts AT motohirokaneta stribeckfrictioncurveinpointehlcontacts
_version_	1718444286231445504

Stribeck Friction Curve in Point EHL Contacts

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