Wojciechowski, L., Kubiak, Krzysztof and Mathia, T.G. (2017) Impact of morphological furrows as lubricant reservoir on creation of oleophilic and oleophobic behaviour of metallic surfaces in scuffing. Tribology International, 116. pp. 320-328. ISSN 0301-679X

This paper analyses the key role of the surface morphology in the creation of oleophilic or oleophobic behaviour (via oil capacity) of metallic surfaces and its hypothetical influence on the initiation of the catastrophic mechanism of scuffing. Taking into consideration the fact that the commonly used roughness parameters do not correlate with the scuffing performance, the application of the morphological furrows to analysis of the susceptibility of metallic surfaces to this type of surface failure was proposed and elucidated. Furrows characteristic was based on the analysis of their three typical parameters (max. and mean depth and max. density, in the initial and scuffed surface state) in the mechanical and physicochemical aspects of the surface and lubricant relationship. Improved strategy offering the discriminating methodology of scuffing transition was presented and discussed. Obtained results enabled the identification furrows' parameters predisposed to scuffing prediction and therefore worthy to consideration for use in manufacturing of frictional operating metallic parts exposed to catastrophic failures.

Kubiak2017b.pdf - Accepted Version

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