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Complex Micromodel Analysis of Wearing Contact Interfaces

[+] Author Affiliations
Friedrich Franek, Andreas Pauschitz, Georg Vorlaufer, Thomas Dick, Robin Jisa

AC2 T Research GmbH, Vienna, Austria

Vladislav E. Lazarev

South Ural State University, Chelyabinsk, Russia

Paper No. WTC2005-63540, pp. 301-302; 2 pages
doi:10.1115/WTC2005-63540
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

The behavior of tribological systems with hybrid lubrication using solid lubricants on graphite basis and/or liquid lubricant can be optimized. This can be achieved by a detailed knowledge of the transfer mechanisms induced by the tribological stress and consequential material and surface design adaptations. Our first approach is a finite element model containing a representative model of the real asperity geometry and distribution. With this model we can estimate the temperature and pressure distribution in the contact zone. The model is based on an assembly of volumes which limit the surfaces taking part in heat exchange and load transfer. Each surface has a set of equations for heat exchange and mechanical loading in the contact. Similarly, transport mechanisms concerning the liquid lubricant, solid lubricant particles and the dissemination of wear particles are considered.

Copyright © 2005 by ASME

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