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Differences in nano-topography and tribochemistry of ZDDP tribofilms from variations in contact configuration with steel and DLC surfaces
ID Čoga, Lucija (Avtor), ID Akbari, Somayeh (Avtor), ID Kovač, Janez (Avtor), ID Kalin, Mitjan (Avtor)

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Izvleček
In this work, we evaluated the effect of the counter-body material (the same or dissimilar) and contact configuration (moving or stationary body), at similar contact tribological conditions, on the tribochemical and nanotopography characteristics of adsorbed surface films. Zinc dialkyldithiophosphate (ZDDP), the best performing anti-wear additive, was used in self-mated steel/steel and DLC/DLC contacts, which were compared with mixed steel/DLC and DLC/steel contacts in 1-h and 6-h sliding tests. The macroscale (tribometer) and nanoscale (atomic force microscopy) friction, thickness, topography, and chemical (attenuated total reflection-Fourier transform infrared spectroscopy and X-ray photoelectron spectroscopy) properties of the tribofilms were studied. The results revealed unexpectedly large differences in all the studied tribofilm parameters; this is because all the tribofilms are completely different; this includes the chemical composition, which is known to have a crucial effect on the nano- and macro-scale tribological properties. These results clearly demonstrate that the surface material, additives, and common contact operating parameters, that is, pressure, velocity, and temperature, crucially affect the ZDDP tribofilm as well as the position of the moving or stationary surface within the contact, and the material of the moving/stationary bodies.

Jezik:Angleški jezik
Ključne besede:dithiophosphate, diamond-like carbon, steels, tribofilms, tribochemistry, nano-friction, thickness, topography
Vrsta gradiva:Članek v reviji
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FS - Fakulteta za strojništvo
Status publikacije:Objavljeno
Različica publikacije:Objavljena publikacija
Leto izida:2022
Št. strani:Str. 296–315
Številčenje:Vol. 10, iss. 2
PID:20.500.12556/RUL-134679 Povezava se odpre v novem oknu
UDK:539.92
ISSN pri članku:2223-7690
DOI:10.1007/s40544-021-0491-7 Povezava se odpre v novem oknu
COBISS.SI-ID:88250627 Povezava se odpre v novem oknu
Datum objave v RUL:25.01.2022
Število ogledov:1208
Število prenosov:310
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Gradivo je del revije

Naslov:Friction
Skrajšan naslov:Frict.
Založnik:Tsinghua University Press
ISSN:2223-7690
COBISS.SI-ID:525351449 Povezava se odpre v novem oknu

Licence

Licenca:CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
Povezava:http://creativecommons.org/licenses/by/4.0/deed.sl
Opis:To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.
Začetek licenciranja:10.04.2021
Vezano na:Published online

Sekundarni jezik

Jezik:Slovenski jezik
Ključne besede:dithiofosfat, diamantu podoben ogljik, jekla, tribofilmi, tribokemija, nanotrenje, debelina, topografija

Projekti

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

Financer:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:J2-7115
Naslov:Nanoinženiring kontaktnih površin in mejnih filmov za doseganje zelenih tehnologij mazanja

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