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Contact Mechanics of Laser-Textured Surfaces

Correlating Contact Area and Friction

Abstract

We study numerically the contact mechanics of a flat and a curved solid. Each solid bears laser-induced, periodic grooves on its rubbing surface. Our surface topographies produce a similar load and resolution dependence of the true contact area as nominally flat, but randomly rough, self-affine surfaces. However, the contact area of laser-textured solids depends on their relative orientation. The estimated true contact areas correlate with kinetic friction measurements.

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Acknowledgments

N.P. and M.H.M. are grateful for computing time on JUROPA at the FZ Jülich Supercomputing Centre. MHM acknowledges support from the German Research Foundation (DFG) through grant Mu 1694/5-1.

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Correspondence to Martin H. Müser.

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Prodanov, N., Gachot, C., Rosenkranz, A. et al. Contact Mechanics of Laser-Textured Surfaces. Tribol Lett 50, 41–48 (2013). https://doi.org/10.1007/s11249-012-0064-z

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Keywords

  • Contact mechanics
  • Friction
  • Material treatment effects