Molecular rolling friction: the cogwheel model
classification
❄️ cond-mat.soft
keywords
rollingcogwheelfrictionmodelbehavingcircularconditionseffective
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With the help of a two-dimensional model we study rolling lubrication by circular (2D fullerenes) molecules for a wide range of parameters. The conditions under which microscopic rolling friction may be effective are identified and related to the relative ingraining between substrate and molecule, the latter behaving as a nanosized cogwheel.
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