Rubber friction directional asymmetry. (8th February 2017)

• Record Type: Journal Article
• Authors: Tiwari, A.; Dorogin, L.; Steenwyk, B.; Warhadpande, A.; Motamedi, M.; Fortunato, G.; Ciaravola, V.; Persson, B. N. J.
• Is Part Of: Europhysics letters. Volume 116:Number 6(2016:Dec.)
• Publication Date: 2017-02-08
• Subjects: 68.35.Ct -- 47.56.+r; Physics -- Periodicals; Electronic journals; 530.05
• DOI: 10.1209/0295-5075/116/66002
• Languages: English
• ISSNs: 0295-5075

Abstract

Abstract: 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.