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Morphological and Tribological Characterization of Rough Surfaces by Atomic Force Microscopy

  • Renato Buzio
  • Ugo Valbusa
Part of the NanoScience and Technology book series (NANO)

19.4 Conclusions

The most striking and impressive feature of AFM is probably related to its flexibility, with particular emphasis on detailed morphological, contact mechanics, friction and adhesion studies routinely performed under different environments. These capabilities have led the AFM to extend our fundamental knowledge on friction phenomena.

Considerable progress has been made on friction laws and it appears well-established that the phenomenological Amontons—Dejaguin equation can safely be extended down to the nanoscale, describing both single-asperity and multi-asperity contacts. Therefore, a new challenging subject regards the characterization of the shear stress τ and its dependence on the physically relevant dissipation channels and sliding parameters. On the theoretical side, models have been developed treating the role of multiscale surface roughness, thus it is now possible to predict some of the most significant properties of solid bodies in contact.

Keywords

Fractal Dimension Friction Force Contact Spot Real Contact Area American Physical Society 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Renato Buzio
    • 1
  • Ugo Valbusa
    • 2
  1. 1.National Institute for Physics of Matter INFMGenovaItaly
  2. 2.National Institute for Physics of Matter INFM and Dipartimento di Fisica dell’Università degli Studi di GenovaGenovaItaly

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