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Issue 12, 2011

Tuning elastomer friction by hexagonal surface patterning

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Abstract

Frictional behavior of hexagonal elastomeric surface texture mimicking the pattern evolved in attachment pads of bush crickets has been investigated as a function of aspect ratio and area density of the texture elements. We show that this texture not only stabilizes the sliding behavior of elastomer surface, but also allows tuning its friction force from as low as 50% to nearly 100% of that of unmodified surface by adjusting the aspect ratio of the texture elements. Changing the texture area density does not affect the friction force, which allows choosing this parameter independently to support different normal loads. Both effects are explained using an in situscanning electron microscopy of steady-sliding surfaces.

Graphical abstract: Tuning elastomer friction by hexagonal surface patterning

Article information


Submitted
06 Jan 2011
Accepted
13 Apr 2011
First published
10 May 2011

Soft Matter, 2011,7, 5553-5557
Article type
Paper

Tuning elastomer friction by hexagonal surface patterning

B. Murarash, Y. Itovich and M. Varenberg, Soft Matter, 2011, 7, 5553 DOI: 10.1039/C1SM00015B

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