Abstract
The friction coefficient between tire tread rubber and road surface is an important property for tire performances and the prediction of the friction coefficient is also important．In this study, the general purpose finite element analysis software “Abaqus” is used to obtain the hysteresis friction behavior between periodic rigid surfaces and rubber models in which hyperelastic and viscoelastic properties are taken into account．A multi-scale analysis is used to calculate the friction coefficients of each scale．The contact load between a road surface and a rubber model is determined by the average contact pressure calculated by a larger scale model analysis．As the model scale is smaller, the deformation of the rubber model and the friction coefficient become larger. The maximum friction coefficient is about 0.8 in λ = 1×10-4 mm scale model.
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