Alteration, Due To The Intervention Of Surface
Properties, Of The Rebound Of Rigid Steel Balls
On A Rubber-like Material Surface
Author(s)
M. Barquins & J.C. Charmet
Abstract
It is well-known that molecular attraction forces, of the van der Waals type for
rubber-like materials, act in the contact area between a polished and cleaned rigid
spherical indenter and the smooth and flat surface of a rubber sample; they
increase the equilibrium size of this contact area compared to the value which can
be deduced from the classical theory of elasticity. It be shown that these forces
are responsible for the existence of a kinetics of detachment in a pull-off test. In
this study, we demonstrate that these long range attractive forces also alter
drastically the rebound of a rigid ball on a rubber surface. It is shown that during
the movement of the indenter out of
Keywords
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