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Traction Behaviour of Elastohydrodynamic Lubrication Films with Anomalous Shapes by Kazuyuki Yagi; Kazuki Nishida; Joichi Sugimura is a Engineering article available to read on EtoBox.

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This study describes traction behaviours of lubricant films having anomalous shapes under elastohydrodynamic lubrication conditions. The traction generated at a point contact area between a glass or sapphire disc and a steel ball was measured by changing the slide-to-roll ratio. Three alcohols, 1-dodecanol, ethylene glycol and glycerol, and two alkanes of n-tetradecane and n-hexadecane were used as lubricants. Lubricants developing anomalous film shapes exhibited a solid-like behaviour with a sharp traction peak at low slide-to-roll ratios. On the contrary, other lubricants having conventional film shapes indicated a gradual increase in traction coefficient with increasing slide-to-roll ratios. The similarity of the traction behaviour to that of traction fluids supports the solidification of the film, which developed anomalous film shapes.

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Author

Kazuyuki Yagi; Kazuki Nishida; Joichi Sugimura

Publisher

SAGE Publications

Published

2021

Language

EN

Field

Engineering (Physical Sciences)