Title: Rubber friction on ice: experiments and modeling
Language: English
Authors: Pichler, Bernhard
Lahayne, Olaf
Reihsner, Roland
Eberhardsteiner, Josef 
Suh, Jongbeom 
Kim, Dongsub 
Nam, Seungkuk 
Paek, Hanseung 
Lorenz, Boris 
Persson, Bo N.J. 
Category: Research Article
Issue Date: 2016
Journal: Tribology Letters
ISSN: 1573-2711
Rubber friction on ice is studied both experimentally and theoretically. The friction tests involve three different rubber tread compounds and four ice surfaces exhibiting different roughness characteristics. Tests are carried out at four different ambient air temperatures ranging from −5 to −13∘C, under three different nominal pressures ranging from 0.15 to 0.45MPa, and at the sliding speed 0.65 m/s. The viscoelastic properties of all the rubber compounds are characterized using dynamic mechanical analysis. The surface topography of all ice surfaces is measured optically. This provides access to standard roughness quantities and to the surface roughness power spectra. As for modeling, we consider two important contributions to rubber friction on ice: (1) a contribution from the viscoelasticity of the rubber activated by ice asperities scratching the rubber surface and (2) an adhesive contribution from shearing the area of real contact between rubber and ice. At first, a macroscopic empirical formula for the friction coefficient is fitted to our test results, yielding a satisfactory correlation. In order to get insight into microscopic features of rubber friction on ice, we also apply the Persson rubber friction and contact mechanics theory. We discuss the role of temperature-dependent plastic smoothing of the ice surfaces and of frictional heating-induced formation of a meltwater film between rubber and ice. The elaborate model exhibits very satisfactory predictive capabilities. The study shows the importance of combining advanced testing and state-of-the-art modeling regarding rubber friction on ice.
Keywords: Linear friction tester; Surface roughness power spectra; Dynamic mechanical analysis; Persson rubber friction and contact mechanics theory
DOI: 10.1007/s11249-016-0665-z
Library ID: AC11360087
URN: urn:nbn:at:at-ubtuw:3-1656
Organisation: E202 - Institut für Mechanik der Werkstoffe und Strukturen 
Publication Type: Article
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