The frictional behaviour of rubber is explored in this paper. Two principal factors, adhesion and hysteresis, are commonly considered to make the greatest contribution to rubber friction. Gabriel et al. (submitted) also highlighted the contribution from an additional geometric factor. The geometrical influence for a range of different indenters on rubber friction is investigated further here using finite element analysis. The frictional force resulting from the dynamic contact between a rigid cylinder and rubber can be considered in several ways: the first defined as rolling where the cylinder roles over the surface, which is believed to have a significant hysteresis term; the second where a cylinder is rotated in a fixed position relative to the sheet, where the geometry does not change and hence the adhesion term would be the dominant contribution. The third situation requires a locked cylinder to be dragged without rotation over a rubber surface. In this case there will be a contribution from adhesion and hysteresis. The detailed relationship between these terms is explored here for a rubber with a high glass transition temperature and hence large viscoelasticity at room temperature.


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    Title :

    The mechanics of sliding friction between a rigid indenter and a rubber surface


    Contributors:


    Publication date :

    2009


    Size :

    5 Seiten, 7 Bilder, 1 Tabelle, 14 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English







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