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Mechanical behaviour and constitutive models of ZDDP tribofilms on DLC coatings using nano-indentation data and finite element modelling
ID Bartolomé, Luis (Avtor), ID Oblak, Eva (Avtor), ID Kalin, Mitjan (Avtor)

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Izvleček
The mechanical behaviour of zinc dialkyldithiophosphate (ZDDP) tribofilms on diamond-like carbon (DLC) coatings has been studied by combining the nano-indentation experimental data and finite-element modelling. Different constitutive models, whose analysis was performed using a global algorithm that consists of forward and inverse algorithms, were chosen to establish which of them more accurately predicts the actual mechanical behaviour of the ZDDP tribofilms. A non-homogeneous, dual structure, which was also verified by the local stiffness using the AFM force-modulation mode, was found. Based on the proposed algorithm, the mechanical properties of the ZDDP tribofilms were found, e.g. the elastic modulus E=26 GPa and the yield stress Y=1.55 GPa for the harder component and approximately E=1.65 GPa and Y=0.144 GPa for the softer component.

Jezik:Angleški jezik
Ključne besede:DLC coatings, ZDDP, finite-element method, AFM
Vrsta gradiva:Članek v reviji
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FS - Fakulteta za strojništvo
Status publikacije:Objavljeno
Različica publikacije:Recenzirani rokopis
Leto izida:2016
Št. strani:Str. 19-26
Številčenje:Vol. 95
PID:20.500.12556/RUL-106737 Povezava se odpre v novem oknu
UDK:539.92:531.43:621.89(045)
ISSN pri članku:0301-679X
DOI:10.1016/j.triboint.2015.10.036 Povezava se odpre v novem oknu
COBISS.SI-ID:14342939 Povezava se odpre v novem oknu
Datum objave v RUL:14.03.2019
Število ogledov:1166
Število prenosov:637
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Gradivo je del revije

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

Sekundarni jezik

Jezik:Slovenski jezik
Ključne besede:DLC prevleke, metoda končnih elementov, mazanje, tribologija

Projekti

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

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