Effect of Lubrication on Friction and Wear Properties of PEEK with Steel Counterparts

Poly-Ether-Ether-Ketone (PEEK) has been widely used for tribological applications with steel counterparts because of its superior mechanical and self-lubricating properties. Fluid lubrication has the potential to further improve the performance of PEEK/steel contacts but its effect has been shown to...

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Autores principales: Go Tatsumi, Monica Ratoi, Yuji Shitara, Kiyomi Sakamoto, Brian G. Mellor
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Lenguaje:EN
Publicado: Japanese Society of Tribologists 2019
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spelling oai:doaj.org-article:d036d4fbfc894d35bb8791259ed421562021-11-05T09:17:25ZEffect of Lubrication on Friction and Wear Properties of PEEK with Steel Counterparts1881-219810.2474/trol.14.345https://doaj.org/article/d036d4fbfc894d35bb8791259ed421562019-12-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/trol/14/5/14_345/_pdf/-char/enhttps://doaj.org/toc/1881-2198Poly-Ether-Ether-Ketone (PEEK) has been widely used for tribological applications with steel counterparts because of its superior mechanical and self-lubricating properties. Fluid lubrication has the potential to further improve the performance of PEEK/steel contacts but its effect has been shown to depend on the operating conditions. To elucidate these aspects and establish the mechanism of fluid lubrication, the friction and wear properties of the PEEK/steel contacts in both dry and poly-α-olefin (PAO) lubricated conditions were investigated by tribological tests and surface analytical techniques. The nanoindentation measurements showed that lubrication with PAO had a softening effect on the wear track of PEEK, but no correlation was established with the wear of PEEK. The tribological behavior, for both dry and lubricated contacts, was correlated with the thickness of PEEK transfer films on the steel counterparts. The thickness of these films, as determined by Electron Probe Micro Analysis (EPMA) and X-ray Photoelectron Spectroscopy (XPS), was controlled by the rates of their formation and removal and depended on the operating conditions. Moreover, lubrication with PAO inhibited not only the formation but also the removal of PEEK transfer films. This study thus sheds light on the mechanism of fluid lubrication of the PEEK/steel contacts.Go TatsumiMonica RatoiYuji ShitaraKiyomi SakamotoBrian G. MellorJapanese Society of Tribologistsarticlelubricationpoly-ether-ether-ketone (peek)polymersfrictionweartransfer filmsmini traction machine (mtm)PhysicsQC1-999Engineering (General). Civil engineering (General)TA1-2040Mechanical engineering and machineryTJ1-1570ChemistryQD1-999ENTribology Online, Vol 14, Iss 5, Pp 345-352 (2019)
institution DOAJ
collection DOAJ
language EN
topic lubrication
poly-ether-ether-ketone (peek)
polymers
friction
wear
transfer films
mini traction machine (mtm)
Physics
QC1-999
Engineering (General). Civil engineering (General)
TA1-2040
Mechanical engineering and machinery
TJ1-1570
Chemistry
QD1-999
spellingShingle lubrication
poly-ether-ether-ketone (peek)
polymers
friction
wear
transfer films
mini traction machine (mtm)
Physics
QC1-999
Engineering (General). Civil engineering (General)
TA1-2040
Mechanical engineering and machinery
TJ1-1570
Chemistry
QD1-999
Go Tatsumi
Monica Ratoi
Yuji Shitara
Kiyomi Sakamoto
Brian G. Mellor
Effect of Lubrication on Friction and Wear Properties of PEEK with Steel Counterparts
description Poly-Ether-Ether-Ketone (PEEK) has been widely used for tribological applications with steel counterparts because of its superior mechanical and self-lubricating properties. Fluid lubrication has the potential to further improve the performance of PEEK/steel contacts but its effect has been shown to depend on the operating conditions. To elucidate these aspects and establish the mechanism of fluid lubrication, the friction and wear properties of the PEEK/steel contacts in both dry and poly-α-olefin (PAO) lubricated conditions were investigated by tribological tests and surface analytical techniques. The nanoindentation measurements showed that lubrication with PAO had a softening effect on the wear track of PEEK, but no correlation was established with the wear of PEEK. The tribological behavior, for both dry and lubricated contacts, was correlated with the thickness of PEEK transfer films on the steel counterparts. The thickness of these films, as determined by Electron Probe Micro Analysis (EPMA) and X-ray Photoelectron Spectroscopy (XPS), was controlled by the rates of their formation and removal and depended on the operating conditions. Moreover, lubrication with PAO inhibited not only the formation but also the removal of PEEK transfer films. This study thus sheds light on the mechanism of fluid lubrication of the PEEK/steel contacts.
format article
author Go Tatsumi
Monica Ratoi
Yuji Shitara
Kiyomi Sakamoto
Brian G. Mellor
author_facet Go Tatsumi
Monica Ratoi
Yuji Shitara
Kiyomi Sakamoto
Brian G. Mellor
author_sort Go Tatsumi
title Effect of Lubrication on Friction and Wear Properties of PEEK with Steel Counterparts
title_short Effect of Lubrication on Friction and Wear Properties of PEEK with Steel Counterparts
title_full Effect of Lubrication on Friction and Wear Properties of PEEK with Steel Counterparts
title_fullStr Effect of Lubrication on Friction and Wear Properties of PEEK with Steel Counterparts
title_full_unstemmed Effect of Lubrication on Friction and Wear Properties of PEEK with Steel Counterparts
title_sort effect of lubrication on friction and wear properties of peek with steel counterparts
publisher Japanese Society of Tribologists
publishDate 2019
url https://doaj.org/article/d036d4fbfc894d35bb8791259ed42156
work_keys_str_mv AT gotatsumi effectoflubricationonfrictionandwearpropertiesofpeekwithsteelcounterparts
AT monicaratoi effectoflubricationonfrictionandwearpropertiesofpeekwithsteelcounterparts
AT yujishitara effectoflubricationonfrictionandwearpropertiesofpeekwithsteelcounterparts
AT kiyomisakamoto effectoflubricationonfrictionandwearpropertiesofpeekwithsteelcounterparts
AT briangmellor effectoflubricationonfrictionandwearpropertiesofpeekwithsteelcounterparts
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