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Prediction of Wear Rate Dispersion in Mixed Lubrication

[+] Author Affiliations
F. Robbe-Valloire, R. Progri, B. Paffoni, R. Gras

ISMEP, Saint-Ouen, France

Paper No. WTC2005-63212, pp. 453-454; 2 pages
doi:10.1115/WTC2005-63212
From:
  • World Tribology Congress III
  • World Tribology Congress III, Volume 1
  • Washington, D.C., USA, September 12–16, 2005
  • Conference Sponsors: Tribology Division
  • ISBN: 0-7918-4201-0 | eISBN: 0-7918-3767-X
  • Copyright © 2005 by ASME

abstract

Mixed lubrication is usually related to the partition of contacts, and these latter may be divided into two categories. The first includes all asperities working in thin lubricated film (physico-chemical film) conditions. This situation corresponds to local boundary lubrication and is characterised by a local friction coefficient around 0.1. The second category contains all other asperity types. Due to the existence of a thick lubricant films asperities belonging to the second category exhibit a low friction coefficient. The global tribological behaviour for a given contact, however, is function of both categories, since it involves asperities from both categories.

Copyright © 2005 by ASME
Topics: Wear , Lubrication

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