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Multi-Scale Study of Abrasion Signature by 2D Wavelet Decomposition

[+] Author Affiliations
H. Zahouani, S. Mezghani, R. Vargiolu

UMR CNRS, Ecully Cedex, France

M. Dursapt

Ecole Nationale d’Ingénieurs de St Etienne, St Etienne, France

Paper No. WTC2005-64215, pp. 839-840; 2 pages
  • World Tribology Congress III
  • World Tribology Congress III, Volume 1
  • Washington, D.C., USA, September 12–16, 2005
  • Conference Sponsors: Tribology Division
  • ISBN: 0-7918-4201-0 | eISBN: 0-7918-3767-X
  • Copyright © 2005 by ASME


The high performance of industrial applications, requires increasingly technical functional surfaces, particulary from the point of view of topography and microtexture. To study the effect of abrasive finishing in a wide range of wavelengths of surface topography, we developed a multi-scale approach, based on the decomposition of surface topography by 2D continuous wavelet transform. This new approach made it possible to determine the multi-scale transfer function of machining by abrasion for each stage of finishing. The methodology can be extended to characterize abrasive wear in a wide range of scales.

Copyright © 2005 by ASME
Topics: Abrasion , Wavelets



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