An Improved Surface Characterization of Textured Surfaces on Mixed Lubrication Regimes

Paper #:
  • 2010-01-1525

Published:
  • 2010-05-05
Citation:
Profito, F., Tomanik, E., and Zachariadis, D., "An Improved Surface Characterization of Textured Surfaces on Mixed Lubrication Regimes," SAE Technical Paper 2010-01-1525, 2010, https://doi.org/10.4271/2010-01-1525.
Pages:
12
Abstract:
Numerical characterization of surfaces with deep dimples, e.g. Laser Textured Surfaces, poses questions relative to the standard filtering techniques used to separate roughness, waviness and form effects. Usual roughness filters would produce a reference plane several micrometers “below” the surface. If this surface plane will be used as reference for mixed lubrication modeling, no hydro dynamic pressures and excessive high contact pressures may be calculated.The conventional roughness filters, Gaussian and Rk, and 4 other filters were applied in an artificially dimpled surface in order to demonstrate and especially to discuss how the Greenwood contact parameters were affected. Depending on the filter used, the estimation of the minimum surface separation for asperity contact varied two magnitude orders. The high surface separation predicted using the parameters calculated by the usual filters would result that no hydrodynamic support would be predicted by the mixed lubrication models. For input on models of mixed lubrication, the mode based filters appeared to be recommended.
Access
Now
SAE MOBILUS Subscriber? You may already have access.
Buy
Select
Price
List
Download
$28.00
Mail
$28.00
Members save up to 42% off list price.
Share
HTML for Linking to Page
Page URL

Related Items

Technical Paper / Journal Article
2011-05-17
Article
2017-07-26
Technical Paper / Journal Article
2011-05-17
Training / Education
2009-12-15
Training / Education
2011-04-12