Fakulteta za strojništvo, Ljubljana (FSLJ)
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The Influence of contact configuration on tribological properties of polyamide (PA6) [Elektronski vir]Kupec, Alja ; Pogačnik, Aljaž, 1985- ; Kalin, MitjanNowadays, the use of plastic materials in tribological applications is growing rapidly, mainly due to some advantages that plastic materials have over metal, like low weight, low price for ... high-volume production, reduced noise level, chemical inertness and good tribological properties without lubrication. However, compared to metals, plastic materials also have lower thermal conductivity and operating temperatures which should not be neglected, because they can greatly influence tribological contact. Furthermore, the time for which each contacting body is exposed to a tribological contact affects its interface temperature, third-body and tribofilm formation, and, as a result, the overall tribological behaviour, which may be particularly relevant with very dissimilar material pairs. This work focuses on the tribological properties of unreinforced polyamide in self-mated contacts (PA6/PA6) or against steel (SS) as a stationary (SS/PA6) or as a moving (PA6/SS) contact body under dry-sliding conditions, as a function of contact pressure and the sliding velocity. The contact conditions were controlled with measurements of the specimen%s surface temperature using an infrared camera. The results show that the tribological behaviour indeed depends significantly on the contact configuration. The tribological properties of the stationary steel pin sliding against a rotating polymer disc (SS/PA6), as well as of a self-mated PA6/PA6 contact, depended substantially on the contact conditions used. In contrast, the contact configuration of a stationary PA6 pin sliding against a rotating steel disc (PA6/SS) showed only a negligible effect on changes in the sliding speed and the load. Moreover, this was clearly the best-performing contact in the study and the beneficial effect is explained by the ability of a rotating disc to remove the heat from the contact zone and, consequently, to lower the temperatures generated in the tribological contact.Vir: ECOTRIB 2017 [Elektronski vir] (PDF datoteka (1 f.))Vrsta gradiva - prispevek na konferenciLeto - 2017Jezik - angleškiCOBISS.SI-ID - 15588635
Avtor
Kupec, Alja |
Pogačnik, Aljaž, 1985- |
Kalin, Mitjan
Teme
polymers |
contact temperature |
polyamide |
tribology |
wear |
friction |
polimeri |
kontaktna temperatura |
poliamid |
tribologija |
obraba |
trenje
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Vnos na polico
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Kupec, Alja | 31064 |
Pogačnik, Aljaž, 1985- | 33437 |
Kalin, Mitjan | 14556 |
Vir: Osebne bibliografije
in: SICRIS
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