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Study on the Atomic-Scale Mechanism of Static Friction

[+] Author Affiliations
Lingyun Ding, Zhongliang Gong, Ping Huang

South China University of Technology, Guangzhou, China

Paper No. IJTC2008-71127, pp. 33-35; 3 pages
doi:10.1115/IJTC2008-71127
From:
  • STLE/ASME 2008 International Joint Tribology Conference
  • STLE/ASME 2008 International Joint Tribology Conference
  • Miami, Florida, USA, October 20–22, 2008
  • Conference Sponsors: Tribology Division
  • ISBN: 0-7918-4336-9 | eISBN: 978-0-7918-3837-2
  • Copyright © 2008 by ASME

abstract

A new model named as the coupled-oscillator model, is proposed to study the atomic-scale static friction. The Maugis-Dugdal model is used to approximately substitute the Lennard-Jones potential of the interfacial friction in new model. Then, the formulas for static friction force and coefficient calculation are deduced. A comparison between the theoretical result and the experimental value obtained by an atomic force microscope is presented to show the model and the formulas practically feasible.

Copyright © 2008 by ASME
Topics: Stiction , Mechanisms

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