izpis_h1_title_alt

Study on the influence of interfacial slip on the lubrication performance of a step slider bearing
ID Jing, Zhaogang (Avtor), ID Guo, Feng (Avtor), ID Jin, Wei (Avtor), ID Kalin, Mitjan (Avtor), ID Polajnar, Marko (Avtor)

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Izvleček
Experimental and theoretical studies have been completed in this paper to investigate the interface effect in the lubrication performance of a step slider bearing. Oleophobic fluorine-containing diamond-like carbon (F-DLC) coatings were prepared on the step slider to provide low affinity to lubrication films. With an optical slider bearing test rig, it is revealed that the F-DLC coating presents an increase in the film thickness/load-carrying capacity and a decrease in the coefficient of friction (COF), which is quite different from the common idea that both the load-carrying capacity and the COF are reduced at the same time. Contact angles measurement on the step slider shows that the affinity to the lubricant of the inlet step surface is lower than that of the outlet land, which can be attributed to the rougher surface of the step surface by the laser ablation. Theoretical analyses show that various interfacial slip velocities on the inlet step and the outlet land can generate different change in the load-carrying capacity and the COF. When the step surface presents lower interfacial slip velocity of the film than the land surface, increase in load-carrying capacity and decrease in the COF can be theoretically found to support the experiments finds.

Jezik:Angleški jezik
Ključne besede:step slider bearing, diamond-like carbon coating, DLC coating, interfacial slip, film thickness, coefficient of friction
Vrsta gradiva:Članek v reviji
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FS - Fakulteta za strojništvo
Status publikacije:Objavljeno
Različica publikacije:Recenzirani rokopis
Datum objave:04.08.2022
Leto izida:2022
Št. strani:9 str.
Številčenje:Vol. 176, art. 107822
PID:20.500.12556/RUL-139586 Povezava se odpre v novem oknu
UDK:539.92
ISSN pri članku:0301-679X
DOI:10.1016/j.triboint.2022.107822 Povezava se odpre v novem oknu
COBISS.SI-ID:120203523 Povezava se odpre v novem oknu
Datum objave v RUL:05.09.2022
Število ogledov:431
Število prenosov:21
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
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Gradivo je del revije

Naslov:Tribology international
Skrajšan naslov:Tribol. int.
Založnik:Butterworth Scientific
ISSN:0301-679X
COBISS.SI-ID:26558976 Povezava se odpre v novem oknu

Sekundarni jezik

Jezik:Slovenski jezik
Ključne besede:stopnični drsni ležaji, prevleke na osnovi diamantu podobnega ogljika, DLC prevleke, mejni zdrs, debelina filma, koeficient trenja

Projekti

Financer:Drugi - Drug financer ali več financerjev
Program financ.:National Natural Science Foun- dation of China
Številka projekta:52175173/51775286

Financer:Drugi - Drug financer ali več financerjev
Program financ.:Exchange Program of the China-Slovenia Science and Technology Cooperation
Številka projekta:12-3

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

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