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An experimental study on the relation between surface texture and tactile friction

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Author: Kuilenburg, J. van · Masen, M.A. · Groenendijk, M.N.W. · Bana, V. · Heide, E. van der
Type:article
Date:2012
Source:Tribology International, 48, 15-21
Identifier: 446869
Keywords: Materials · Laser texturing · Skin friction · Surface texture · Touch · Industrial Innovation · Mechatronics, Mechanics & Materials · MPC - Materials Performance Centre · TS - Technical Sciences

Abstract

The main obstacle to calculate the 'feel' of a product from its surface properties is the ill-defined surface topography that is encountered after the most surface finishing processes. In this work this obstacle was avoided by producing well-defined surface topographies by laser texturing. The friction of textures having surface features with varying radii and spacings was investigated by measuring friction against the fingerpad. Within the range of conditions tested the coefficient of friction decreased with increasing normal load. The relation between the surface texture parameters and the coefficient of friction is influenced by the scale-dependent elastic behaviour of the skin top layer. © 2012 Elsevier Ltd. All rights reserved.