Volume 116, Number 6, December 2016
|Number of page(s)||6|
|Section||Condensed Matter: Structural, Mechanical and Thermal Properties|
|Published online||08 February 2017|
Rubber friction directional asymmetry
1 Department of Mechanical and Industrial Engineering, Norwegian University of Science and Technology Richard Birkelandsvei 2B, N-7491 Trondheim, Norway
2 PGI, FZ-Jülich - D-52425 Jülich, Germany
3 ITMO University - Kronverskiy pr. 49, 197101, Saint Petersburg, Russia
4 Bridgestone Americas Tire Operations - 10 E Firestone Blvd., Akron, OH 44317, USA
5 Bridgestone Technical Center Europe - Via del Fosso del Salceto 13/15, I-00128 Roma, Italy
6 Multiscale Consulting - Wolfshovener Straße 2, D-52428 Jülich, Germany
Received: 3 December 2016
Accepted: 13 January 2017
In rubber friction studies it is usually assumed that the friction force does not depend on the sliding direction, unless the substrate has anisotropic properties, like a steel surface grinded in one direction. Here we will present experimental results for rubber friction, where we observe a strong asymmetry between forward and backward sliding, where forward and backward refer to the run-in direction of the rubber block. The observed effect could be very important in tire applications, where directional properties of the rubber friction could be induced during braking.
PACS: 68.35.Ct – Interface structure and roughness / 47.56.+r – Flows through porous media
© EPLA, 2016
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