A model for micro-slip between flat surfaces based on deformation of ellipsoidal elastic bodies

Micro-slip is a phenomenon that occurs between contacting surfaces when a frictional load, less than that necessary to produce macro-slip, is applied to the contacting surfaces. A model is presented for micro-slip between a flat smooth surface and a flat rough surface. The rough surface is covered w...

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Bibliographic Details
Published in:Tribology international 1997-08, Vol.30 (8), p.599-603
Main Authors: Olofsson, Ulf, Hagman, Lars
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Mechanical contact (friction...)
Physics
Solid mechanics
Structural and continuum mechanics
Tribology and mechanical contacts
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Summary:Micro-slip is a phenomenon that occurs between contacting surfaces when a frictional load, less than that necessary to produce macro-slip, is applied to the contacting surfaces. A model is presented for micro-slip between a flat smooth surface and a flat rough surface. The rough surface is covered with uniformly distributed ellipsoidal elastic bodies. The results from two test cases show that anisotropy of the contacting surfaces influences the tangential stiffness at zero displacement, the length of the micro-slip zone and the energy dissipated in the contact.
ISSN:0301-679X
1879-2464
DOI:10.1016/S0301-679X(97)00028-5