Effect of surface topography on mixed lubrication film formation during start up under rolling/sliding conditions
作者： I. Krupka , P. Svoboda , M. Hartl
DOI: 10.1016/J.TRIBOINT.2009.12.017
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摘要: Abstract The start up operation of mixed lubricated contacts represents one the transient conditions that bring risk surface damage because asperities interactions. This paper focuses on effects both artificially produced and real roughness features lubrication film formation during non-conformal operated under rolling/sliding conditions. Chromatic interferograms captured enabled detailed changes in caused by to be observed. observation dents ball helped better understand behaviour topography. It was found presence shallow can help separate rubbing surfaces more efficiently than it could suggested from results obtained with smooth surfaces. Lubricant emitted appears spread easily within contact local decrease pressure vicinity features. Conversely, high restricts migration lubricant pits much more. properly designed topography reduce interactions operational
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