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Contact Model of Two Rough Surfaces Based on a Visco-Elasto-Adhesive Interaction

[+] Author Affiliations
Ali Sepehri, Kambiz Farhang

Southern Illinois University Carbondale, Carbondale, IL

Paper No. IJTC2010-41089, pp. 309-311; 3 pages
  • STLE/ASME 2010 International Joint Tribology Conference
  • STLE/ASME 2010 International Joint Tribology Conference
  • San Francisco, California, USA, October 17–20, 2010
  • Conference Sponsors: Tribology Division
  • ISBN: 978-0-7918-4419-9 | eISBN: 978-0-7918-3890-7
  • Copyright © 2010 by ASME


Mathematical formulae are derived for normal contact force component between two nominally flat rough surfaces. The development of the contact model is based on the asperity level interaction in which adhesive forces between two asperities as well as elastic and rate-dependent forces are included. Statistical consideration of rough surfaces yields the mathematical formulation of total normal force due to adhesion, elastic and rate-dependent properties of the surfaces in contact.

Copyright © 2010 by ASME



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