Influence of Dewettability on Rubber Friction Properties with Different Surface Roughness under Water/Ethanol/Glycerol Lubricated Conditions

In the material designing process of footwear outer-soles, a grip property of rubber is of crucial importance under water or oil lubricated condition. In general, contact states between rubber and floors under lubricated conditions are influenced by various factors, i. e. viscosity of a lubricant, s...

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Autores principales:	Toshiaki Nishi, Kenta Moriyasu, Kenichi Harano, Tsuyoshi Nishiwaki
Formato:	article
Lenguaje:	EN
Publicado:	Japanese Society of Tribologists 2016
Materias:	shoe footwear rubber surface free energy interfacial free energy spreading coefficient surface roughness stribeck curve sommerfeld number dewetting velocity 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/6988c6255ce34eea956149b81b1a98d1
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spelling	oai:doaj.org-article:6988c6255ce34eea956149b81b1a98d12021-11-05T09:21:12ZInfluence of Dewettability on Rubber Friction Properties with Different Surface Roughness under Water/Ethanol/Glycerol Lubricated Conditions1881-219810.2474/trol.11.601https://doaj.org/article/6988c6255ce34eea956149b81b1a98d12016-09-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/trol/11/5/11_601/_pdf/-char/enhttps://doaj.org/toc/1881-2198In the material designing process of footwear outer-soles, a grip property of rubber is of crucial importance under water or oil lubricated condition. In general, contact states between rubber and floors under lubricated conditions are influenced by various factors, i. e. viscosity of a lubricant, sliding velocity, normal force, surface roughness and wettability between the two substrates. It has been said that lubrication conditions can be distinguished based on Stribeck curves, which are described by the relationship between Sommerfeld numbers and dynamic friction coefficients. Wettability under the static condition is estimated by the spreading coefficient, which is used to evaluate the energy balance of interface free energies at a triple line. The purpose of this study is to investigate influences of surface free energies, viscosities, sliding velocities and surface roughnesses on dynamic friction coefficients of rubber under lubricated conditions. The influences of spreading coefficients on the behaviors of Stribeck curves and the relationship between dewetting velocities and dynamic friction coefficients are also discussed.Toshiaki NishiKenta MoriyasuKenichi HaranoTsuyoshi NishiwakiJapanese Society of Tribologistsarticleshoefootwearrubbersurface free energyinterfacial free energyspreading coefficientsurface roughnessstribeck curvesommerfeld numberdewetting velocityPhysicsQC1-999Engineering (General). Civil engineering (General)TA1-2040Mechanical engineering and machineryTJ1-1570ChemistryQD1-999ENTribology Online, Vol 11, Iss 5, Pp 601-607 (2016)
institution	DOAJ
collection	DOAJ
language	EN
topic	shoe footwear rubber surface free energy interfacial free energy spreading coefficient surface roughness stribeck curve sommerfeld number dewetting velocity Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999
spellingShingle	shoe footwear rubber surface free energy interfacial free energy spreading coefficient surface roughness stribeck curve sommerfeld number dewetting velocity Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999 Toshiaki Nishi Kenta Moriyasu Kenichi Harano Tsuyoshi Nishiwaki Influence of Dewettability on Rubber Friction Properties with Different Surface Roughness under Water/Ethanol/Glycerol Lubricated Conditions
description	In the material designing process of footwear outer-soles, a grip property of rubber is of crucial importance under water or oil lubricated condition. In general, contact states between rubber and floors under lubricated conditions are influenced by various factors, i. e. viscosity of a lubricant, sliding velocity, normal force, surface roughness and wettability between the two substrates. It has been said that lubrication conditions can be distinguished based on Stribeck curves, which are described by the relationship between Sommerfeld numbers and dynamic friction coefficients. Wettability under the static condition is estimated by the spreading coefficient, which is used to evaluate the energy balance of interface free energies at a triple line. The purpose of this study is to investigate influences of surface free energies, viscosities, sliding velocities and surface roughnesses on dynamic friction coefficients of rubber under lubricated conditions. The influences of spreading coefficients on the behaviors of Stribeck curves and the relationship between dewetting velocities and dynamic friction coefficients are also discussed.
format	article
author	Toshiaki Nishi Kenta Moriyasu Kenichi Harano Tsuyoshi Nishiwaki
author_facet	Toshiaki Nishi Kenta Moriyasu Kenichi Harano Tsuyoshi Nishiwaki
author_sort	Toshiaki Nishi
title	Influence of Dewettability on Rubber Friction Properties with Different Surface Roughness under Water/Ethanol/Glycerol Lubricated Conditions
title_short	Influence of Dewettability on Rubber Friction Properties with Different Surface Roughness under Water/Ethanol/Glycerol Lubricated Conditions
title_full	Influence of Dewettability on Rubber Friction Properties with Different Surface Roughness under Water/Ethanol/Glycerol Lubricated Conditions
title_fullStr	Influence of Dewettability on Rubber Friction Properties with Different Surface Roughness under Water/Ethanol/Glycerol Lubricated Conditions
title_full_unstemmed	Influence of Dewettability on Rubber Friction Properties with Different Surface Roughness under Water/Ethanol/Glycerol Lubricated Conditions
title_sort	influence of dewettability on rubber friction properties with different surface roughness under water/ethanol/glycerol lubricated conditions
publisher	Japanese Society of Tribologists
publishDate	2016
url	https://doaj.org/article/6988c6255ce34eea956149b81b1a98d1
work_keys_str_mv	AT toshiakinishi influenceofdewettabilityonrubberfrictionpropertieswithdifferentsurfaceroughnessunderwaterethanolglycerollubricatedconditions AT kentamoriyasu influenceofdewettabilityonrubberfrictionpropertieswithdifferentsurfaceroughnessunderwaterethanolglycerollubricatedconditions AT kenichiharano influenceofdewettabilityonrubberfrictionpropertieswithdifferentsurfaceroughnessunderwaterethanolglycerollubricatedconditions AT tsuyoshinishiwaki influenceofdewettabilityonrubberfrictionpropertieswithdifferentsurfaceroughnessunderwaterethanolglycerollubricatedconditions
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Influence of Dewettability on Rubber Friction Properties with Different Surface Roughness under Water/Ethanol/Glycerol Lubricated Conditions

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