Dynamic Friction Behavior of Paper-Based Wet Friction Material Subjected to Contact Pressure Fluctuation

In this research, dynamic friction behavior of paper-based wet friction material subjected to contact pressure fluctuation was investigated experimentally and theoretically. Complex friction coefficient obtained by the ratio between dynamic components of friction and normal force was defined as an i...

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Autores principales:	Yasuhisa Hattori, Yusuke Kato
Formato:	article
Lenguaje:	EN
Publicado:	Japanese Society of Tribologists 2012
Materias:	dynamic characteristics friction coefficient paper-based friction material poroelasticity pressure fluctuation wet clutch 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/44b7f546b0e14f68973d0fdae003ef97
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spelling	oai:doaj.org-article:44b7f546b0e14f68973d0fdae003ef972021-11-05T09:24:57ZDynamic Friction Behavior of Paper-Based Wet Friction Material Subjected to Contact Pressure Fluctuation1881-219810.2474/trol.7.184https://doaj.org/article/44b7f546b0e14f68973d0fdae003ef972012-09-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/trol/7/3/7_184/_pdf/-char/enhttps://doaj.org/toc/1881-2198In this research, dynamic friction behavior of paper-based wet friction material subjected to contact pressure fluctuation was investigated experimentally and theoretically. Complex friction coefficient obtained by the ratio between dynamic components of friction and normal force was defined as an index of dynamic friction characteristics. First, the frequency dependence of complex friction coefficient was measured changing the contact surface dimension and compressive modulus of specimen as parameters. As a result the amplitude and phase angle of complex friction coefficient decreased with the increase of pressure fluctuating frequency and this tendency was significant for larger dimension and for lower modulus. Then, calculations were done combining the stress-strain analysis with an analytical model based on the theory of poroelasticity and the assumption in which the solid part at contact surface only contributed to friction. It was found that the increase in load sharing ratio by fluid caused by the flow resistance made the solid contact relaxed and delayed, which resulted in the decrease in amplitude and phase angle of complex friction coefficient. The calculated results showed similar tendency to the experimental ones, thereby the analytical model was appropriate and the mechanism of dynamic friction behavior of paper-based wet friction material was demonstrated.Yasuhisa HattoriYusuke KatoJapanese Society of Tribologistsarticledynamic characteristicsfriction coefficientpaper-based friction materialporoelasticitypressure fluctuationwet clutchPhysicsQC1-999Engineering (General). Civil engineering (General)TA1-2040Mechanical engineering and machineryTJ1-1570ChemistryQD1-999ENTribology Online, Vol 7, Iss 3, Pp 184-189 (2012)
institution	DOAJ
collection	DOAJ
language	EN
topic	dynamic characteristics friction coefficient paper-based friction material poroelasticity pressure fluctuation wet clutch Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999
spellingShingle	dynamic characteristics friction coefficient paper-based friction material poroelasticity pressure fluctuation wet clutch Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999 Yasuhisa Hattori Yusuke Kato Dynamic Friction Behavior of Paper-Based Wet Friction Material Subjected to Contact Pressure Fluctuation
description	In this research, dynamic friction behavior of paper-based wet friction material subjected to contact pressure fluctuation was investigated experimentally and theoretically. Complex friction coefficient obtained by the ratio between dynamic components of friction and normal force was defined as an index of dynamic friction characteristics. First, the frequency dependence of complex friction coefficient was measured changing the contact surface dimension and compressive modulus of specimen as parameters. As a result the amplitude and phase angle of complex friction coefficient decreased with the increase of pressure fluctuating frequency and this tendency was significant for larger dimension and for lower modulus. Then, calculations were done combining the stress-strain analysis with an analytical model based on the theory of poroelasticity and the assumption in which the solid part at contact surface only contributed to friction. It was found that the increase in load sharing ratio by fluid caused by the flow resistance made the solid contact relaxed and delayed, which resulted in the decrease in amplitude and phase angle of complex friction coefficient. The calculated results showed similar tendency to the experimental ones, thereby the analytical model was appropriate and the mechanism of dynamic friction behavior of paper-based wet friction material was demonstrated.
format	article
author	Yasuhisa Hattori Yusuke Kato
author_facet	Yasuhisa Hattori Yusuke Kato
author_sort	Yasuhisa Hattori
title	Dynamic Friction Behavior of Paper-Based Wet Friction Material Subjected to Contact Pressure Fluctuation
title_short	Dynamic Friction Behavior of Paper-Based Wet Friction Material Subjected to Contact Pressure Fluctuation
title_full	Dynamic Friction Behavior of Paper-Based Wet Friction Material Subjected to Contact Pressure Fluctuation
title_fullStr	Dynamic Friction Behavior of Paper-Based Wet Friction Material Subjected to Contact Pressure Fluctuation
title_full_unstemmed	Dynamic Friction Behavior of Paper-Based Wet Friction Material Subjected to Contact Pressure Fluctuation
title_sort	dynamic friction behavior of paper-based wet friction material subjected to contact pressure fluctuation
publisher	Japanese Society of Tribologists
publishDate	2012
url	https://doaj.org/article/44b7f546b0e14f68973d0fdae003ef97
work_keys_str_mv	AT yasuhisahattori dynamicfrictionbehaviorofpaperbasedwetfrictionmaterialsubjectedtocontactpressurefluctuation AT yusukekato dynamicfrictionbehaviorofpaperbasedwetfrictionmaterialsubjectedtocontactpressurefluctuation
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Dynamic Friction Behavior of Paper-Based Wet Friction Material Subjected to Contact Pressure Fluctuation

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