The atomistic mechanisms are proposed for the origin of the static and the dynamic friction forces. The mechanism for the origin of the static friction force resembles the mechanical locking mechanism in a surface roughness model. The origin of the dynamic friction force is formulated as a problem of how the given translational kinetic energy dissipates into the internal relative motions of constituent atoms of bodies during sliding. From studying that the available phase space volume of the translational motion becomes negligible small for a large system size, compared with that of the internal motions, it is concluded that the energy dissipation occurs irreversibly from the translational motion to the internal motions. A phenomenon of superlubricity, where two solid bodies move relatively with no resistance, is discussed.
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World Tribology Congress III
September 12–16, 2005
Washington, D.C., USA
Conference Sponsors:
- Tribology Division
ISBN:
0-7918-4202-9
PROCEEDINGS PAPER
Atomistics of Friction Available to Purchase
Motohisa Hirano
Motohisa Hirano
Gifu University, Gifu, Japan
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Motohisa Hirano
Gifu University, Gifu, Japan
Paper No:
WTC2005-63993, pp. 463-464; 2 pages
Published Online:
November 17, 2008
Citation
Hirano, M. "Atomistics of Friction." Proceedings of the World Tribology Congress III. World Tribology Congress III, Volume 2. Washington, D.C., USA. September 12–16, 2005. pp. 463-464. ASME. https://doi.org/10.1115/WTC2005-63993
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