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Frictional behaviour of imidazolium sulfate ionic liquid additives under mixed slide-to-roll conditions
Pejaković, Vladimir (Avtor), Kalin, Mitjan (Avtor)

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Izvleček
Ionic liquids are getting increased attention due to their potential use as additives or lubricants. One of parameters that influence their performance is anion alkyl chain length. Three chain lengths in imidazolium sulfate ionic liquids were varied in three different types of tests in order to study the friction performance in all lubrication regimes at different shear rates. Results show significant effect of alkyl chain length on friction behaviour and surface topography. The shortest chain length ionic liquid had the poorest friction performance whilst longer alkyl chain lengths performed significantly better, which was evidenced by the electrical contact resistance. Although friction behaviour was not generally reduced with ionic liquid mixtures, clear tribological improvement was observed in high shear conditions depending on alkyl chain length. Atomic force microscopy (AFM) analysis revealed correlation between ionic liquid chemistry and surface topography of samples after the experiments, with significantly increased roughness for short chain ionic liquid mixture.

Jezik:Angleški jezik
Ključne besede:friction, ionic liquid, alkyl chain length, roughness, topography
Vrsta gradiva:Članek v reviji (dk_c)
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FS - Fakulteta za strojništvo
Leto izida:2015
Št. strani:str. 463-477
Številčenje:Vol. 27, iss. 8
UDK:531.43(045)
ISSN pri članku:0954-0075
DOI:10.1002/ls.1289 Povezava se odpre v novem oknu
COBISS.SI-ID:13929499 Povezava se odpre v novem oknu
Število ogledov:313
Število prenosov:373
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Gradivo je del revije

Naslov:Lubrication science
Skrajšan naslov:Lubr. sci.
Založnik:Leaf Coppin
ISSN:0954-0075
COBISS.SI-ID:2144539 Povezava se odpre v novem oknu

Gradivo je financirano iz projekta

Financer:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije (ARRS)
Številka projekta:P2-0231
Naslov:Tribologija

Sekundarni jezik

Jezik:Slovenski jezik
Ključne besede:trenje, ionska tekočina, alkilna dolžine verige, hrapavost, topografija

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