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Deterministic Model for Rubber-Metal Contact Including the Interaction Between Asperities

[+] Author Affiliations
E. L. Deladi

Netherlands Institute for Metals Research, The Netherlands

M. B. de Rooij, D. J. Schipper

University of Twente, Enschede, The Netherlands

Paper No. WTC2005-63636, pp. 329-330; 2 pages
doi:10.1115/WTC2005-63636
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

Rubber-metal contact involves relatively large deformations and large real contact areas compared to metal-metal contact. Here, a deterministic model is proposed for the contact between rubber and metal surfaces, which takes into account the interaction between neighboring asperities. In this model, a description of the actual micro-contact is used instead of a summit which is a local maximum at the surface. Linear viscoelastic behavior, modeled by a three-element mechanical model, is assumed for the rubber. In the present model, the equations regarding the deformation due to a Hertzian pressure inside and outside the contact area have been modified for the viscoelastic case. The deterministic case is compared with the statistical one. Besides this, the deformation of the bulk material beneath the asperities is taken into account. The results reveal that the bulk deformation has a significant effect at higher nominal pressures.

Copyright © 2005 by ASME
Topics: Metals , Rubber

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