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Influence of surface energy on the interactions between hard coatings and lubricants
Podgornik, Bojan (Avtor), Zajec, Boštjan (Avtor), Strnad, Simona (Avtor), Stana-Kleinschek, Karin (Avtor)

URLURL - Predstavitvena datoteka, za dostop obiščite http://dx.doi.org/10.1016/j.wear.2006.11.008 Povezava se odpre v novem oknu

Izvleček
Generally, hard coatings improve the tribological properties of contact surfaces under dry sliding, while under lubricated conditions their inertness hinders the possibility of boundary film formation. For steel surfaces, the mechanisms of boundary film formation are well known. However, this is not thecase for coated surfaces, where the end result might be high friction and wear. It is well known that surface structure has a crucial influence on the adsorption properties of the surface, while there is almost no information on the influence of surface energy on the formation of an adsorbed boundary film. The aim of the present research was to investigate and understand interactions between hard coatings and lubricants, and to define correlations between the surface properties of the liquid and solid phase and their tribological behaviour. For this purpose surfaces of DLC coatings and lubricants were characterized using the tensiometric method, and tribologically tested under boundary lubricated conditions. The results of theinvestigation do not show any direct correlation between surface energy, wettability of the surface and tribological performance of the lubricated surface. However, they indicate that the surface properties of the solid and liquid phase influence solid surface wettability and its tribological performance.

Jezik:Angleški jezik
Ključne besede:trde prevleke, tribološke lastnosti, stiki površin, maziva, robni pogoji, trenje, preskušanje, surface energy, wettability, friction, DLC coatings
Vrsta gradiva:Delo ni kategorizirano (r6)
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FS - Fakulteta za strojništvo
Leto izida:2007
Št. strani:str. 1199-1204
Številčenje:Letn. 262, št. 9/10
UDK:621.8
ISSN pri članku:0043-1648
COBISS.SI-ID:9930523 Povezava se odpre v novem oknu
Število ogledov:601
Število prenosov:297
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Naslov:Wear
Skrajšan naslov:Wear
Založnik:Elsevier
ISSN:0043-1648
COBISS.SI-ID:5374213 Povezava se odpre v novem oknu

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