Effect of surface roughness for tribological behaviour of engeenering polymers

Tribological behaviour – friction, wear and lubrication – of machine elements highly depend on the operating state and also the original topography of working pair. Counterparts of engeenering polimer elements many times are much more harder than the polimer ones, so their topography heigly influence the tribological behaviour. In this study friction and wear experiments and surface roughness measurements were performed. Investigations extended to wear in the course of the non-lubricated PA6-steel, PET-steel and POMC-steel material pairs. Steel surfaces was grinded with and without spark-out process. The main goal was to analyse the effect of steel surface in frictional and wear behaviour of polimers.