Flexible DLC Film Coated Rubber: Friction And
The Effect Of Viscoelastic Deformation Of Rubber
Substrate
Author(s)
Y. T. Pei, D. Martinez-Martinez & J. Th. M. De Hosson
Abstract
This paper focuses on the frictional behavior of flexible diamond-like carbon
(DLC) films coated hydrogenated nitrile butadiene rubber. By making use of the
substantial thermal mismatch between DLC film and rubber substrate, the DLC
film splits during deposition into micro-segments that contribute to flexibility.
The size of film micro-segments can be tuned by controlling the temperature
variation of rubber substrate during deposition. The influence of the size of DLC
film micro-segments on the frictional performance is studied. The effect of
viscoelasticity of the rubber substrate on the frictional behavior of DLC film
coated system is scrutinized with tribo-tests and theoretical analysis. The
importance of adhesive and hysteresis contributions to friction is revealed, and
an overarching model is presented.
Keywords: DLC film, flexibility, viscoelastic deformation, rubber substrate,
tribology.
Keywords
Keywords: DLC film, flexibility, viscoelastic deformation, rubber substrate,
tribology.
Related Book
Other papers in this volume
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