Experimental dynamic response of spherical friction-based isolation devices

This article presents a summary of the experimental dynamic
response of curved surface sliders as resulting from more than 1000
dynamic tests on about 60 different types of devices performed at
the laboratory of the EUCENTRE foundation. Two different kinds of
low-friction sliding materials have been employed in the devices,
derived from polyamide (PA), or polyethylene (PE) materials.
The rate of change of the dynamic friction coefficient as a function of
sliding velocity and contact pressure is assessed and the transition phase
between dynamic and static friction, with the consequent possible evidence
of static/stick-slip phenomena, has been carefully considered.