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Erschienen in:
2008 | OriginalPaper | Buchkapitel
Mechanisms of Dry Friction, Their Scaling and Linear Properties
Erschienen in: Multiscale Dissipative Mechanisms and Hierarchical Surfaces
Verlag: Springer Berlin Heidelberg
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Various mechanisms of dry sliding friction of two solids is discussed, including adhesion and adhesion hysteresis, deformation, plastic yield, fracture, the ratchet, cobblestone and third-body mechanisms. It is discussed how all these diverse mechanisms lead to the linear Amontons-Coulomb’s empirical law of friction. Various explanations of the linearity of friction are discussed (real area of contact and slope-controlled friction, etc.) and the concept of a “small parameter” responsible for the linearity is suggested.