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The static friction response of non-glabrous skin as a function of surface energy and environmental conditions

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Title: The static friction response of non-glabrous skin as a function of surface energy and environmental conditions
Authors: Klaassen, M
De Vries, EG
Masen, MA
Item Type: Journal Article
Abstract: The (local) environmental conditions have a significant effect on the interaction between skin and products. Plasticisation of the stratum corneum occurs at high humidity, causing this layer to soften and change its surface free energy. In this work we study the effects of the micro-climate on the frictional behaviour of skin in contact with materials with varying wettability. Friction measurements are performed under a range of micro-climate conditions using four different materials with a smooth surface finish. All measurements are performed twice on a single subject in order to minimise variation in skin properties. Results show that materials with a higher wettability show a larger increase in friction coefficient when exposed to warm, moist conditions. The friction force is modelled using the skin micro-relief, the elastic properties of the different skin layers, the surface chemistry of both skin and counter surface, and the environment, as input parameters.
Issue Date: 28-May-2017
Date of Acceptance: 4-May-2017
URI: http://hdl.handle.net/10044/1/52823
DOI: https://dx.doi.org/10.1016/j.biotri.2017.05.004
ISSN: 2352-5738
Publisher: Elsevier
Start Page: 124
End Page: 131
Journal / Book Title: Biotribology
Volume: 11
Copyright Statement: © 2017 Elsevier Ltd. All rights reserved. This manuscript is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/
Sponsor/Funder: Netherlands Organisation for Scientific Research
Funder's Grant Number: STW 12673
Publication Status: Published
Appears in Collections:Mechanical Engineering
Faculty of Engineering