Functional behaviour of tyres on snow is important for vehicles. We made friction tests of rubber tread blocks, of different geometries and rubber formulations, on compacted artificial snow in a cold room using a linear tribometer. These tests show excellent agreement with outdoor vehicle tests. The friction coefficient for rubber decreases with increasing velocity because of a water layer formed by frictional heating. As glass transition temperature of the rubber decreases increases, which correlates with the increased compliance of the rubber. At higher velocities siped tread-blocks show higher friction than blocks without sipes because of ploughing.


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    Title :

    Investigation of rubber friction on snow for tyres


    Contributors:

    Published in:

    Publication date :

    2013


    Size :

    10 Seiten, 14 Bilder, 4 Tabellen, 18 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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