Particle Entrapment in Hybrid Lubricated Point Contacts

This study proposes an innovative approach for the study of particle entrapment in rolling element bearings (REBs). Two couples of contacting materials were considered, the classical steel-steel and silicon nitride-steel used in hybrid bearings. Numerical simulations, as well as experiments, combine...

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Bibliographic Details
Published in:Tribology transactions 2016-07, Vol.59 (4), p.768-779
Main Authors: Strubel, V., Fillot, N., Ville, F., Cavoret, J., Vergne, P., Mondelin, A., Maheo, Y.
Format: Article
Language:English
Subjects:
Bearing steels
Bearings
Contaminants
contamination
Couples
Elastohydrodynamic lubrication
Engineering Sciences
Entrapment
Hybrid bearings
hybrid rolling element bearings
Mathematical models
modeling
Other
Particle entrapment
Point contact
Rolling
Silicon nitride
Simulation
steel-ceramic contact
Tribology
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Summary:This study proposes an innovative approach for the study of particle entrapment in rolling element bearings (REBs). Two couples of contacting materials were considered, the classical steel-steel and silicon nitride-steel used in hybrid bearings. Numerical simulations, as well as experiments, combine theoretical trajectories for incoming contaminant particles and effective entrapment ratios observed within a twin-disc machine. Linking both approaches allows the highlighting of some key parameters leading to particle entrapment under pure rolling conditions in elastohydrodynamic point contacts.
ISSN:1040-2004
1547-397X
DOI:10.1080/10402004.2015.1106631