Abstract
IN some circumstances, when rubber moves over a hard surface no true sliding occurs. Instead, the contact area is crossed by waves of detachment1; and it is only in these regions, where contact has temporarily been lost, that there is any relative motion of the two surfaces. The effect resembles the motion of a caterpillar on a leaf. It is now well established that when an elastometer slides over a smooth surface in these conditions, the frictional force may be accounted for in terms of the net work required to peel the rubber away from the counterface and readhere it2,3. We have now found that waves of detachment may be present when the counterface is rough, and that the same explanation of the friction force applies.
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BRIGGS, G., BRISCOE, B. Effect of roughness on rubber friction when waves of detachment are present. Nature 262, 381–382 (1976). https://doi.org/10.1038/262381a0
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DOI: https://doi.org/10.1038/262381a0
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