Slip status in lubricated point-contact based on layered oil slip lubrication model
2019
Abstract Obvious decrease of film thickness is found in recent experimental tests of high-speed elastohydrodynamic lubrication (EHL) point contact, which shows a close correlation with interface slip. This work investigates the effects of operation conditions and rheological properties of lubricant on slip behaviours based on a layered oil slip model. The results show that slip extent generally increases with the aggravation of sliding, the increase of applied load and the decrease of limiting shear stress; furthermore, the slip extent will also be affected by the contacting surface properties. Essentially, as internal factors, the rheological properties of lubricant may determine the slip behaviour under various operation conditions.
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