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Titel: Friction and wear of PEEK in continuous sliding and unidirectional scratch tests
VerfasserIn: Lin, Leyu
Pei, Xian-Qiang
Bennewitz, Roland
Schlarb, Alois K.
Sprache: Englisch
Titel: Tribology International
Bandnummer: 122
Startseite: 108
Endseite: 113
Verlag/Plattform: Elsevier
Erscheinungsjahr: 2018
Dokumenttyp: Journalartikel / Zeitschriftenartikel
Abstract: Friction and wear of a commercially available polyetheretherketone were investigated by two different testing approaches, namely the standard pin-on-disc (POD) configuration and an unidirectional pin-on-flat (POF) scratch test, in a wide range of pv-products from 0.001 to 8 MPa m/s under dry sliding condition. It was found that the steady state friction coefficient gained from POD tests slightly decreases with increasing sliding velocity from 0.1 to 1 m/s, further increase in the velocity to 4 m/s results in an obvious raise of the friction coefficient. It is assumed that this increase can be attributed to the high interfacial temperature induced strong adhesion between PEEK surface and steel counterbody. No obvious difference of the friction coefficients between POD and POF tests is noted in the studied range. With respect to the wear rate, the wear rate measured from POD increases with monotonously increasing velocity. Possible reasons for these observations are discussed based on the analysis of the worn surfaces of polymer samples and transfer films formed on the steel counterface as well as the investigations on the thermal characteristics of different tribo-systems.
DOI der Erstveröffentlichung: 10.1016/j.triboint.2018.02.035
Link zu diesem Datensatz: hdl:20.500.11880/28126
http://dx.doi.org/10.22028/D291-29323
ISSN: 0301-679X
Datum des Eintrags: 17-Okt-2019
Fakultät: NT - Naturwissenschaftlich- Technische Fakultät
Fachrichtung: NT - Physik
Professur: NT - Keiner Professur zugeordnet
Sammlung:SciDok - Der Wissenschaftsserver der Universität des Saarlandes

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