Abstract
The mechanisms of the sliding friction of rubber-like materials are studied on a microscale level, by scrutinising phenomena occurring inside contact area between a moving hard transparent spherical asperity and the smooth, flat surface of a soft elastomer sample. We study experimentally the behaviour of the detachment fold or Schallamach waves (Shallamach, A. Wear 197117, 301–312) when the rubber temperature varies between 20 and 42°C. Our analysis is based on the space-time evolution diagrams, composed by superimposition of contact area cross-sections, recorded one after the other. We aimed to demonstrate how the application of this method does permit us to obtain the results in real time.
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