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In this paper, the effect of load, Velocity of sliding and sliding distance on friction and wear of materials made of Polytetrafluoroethylele (PTFE) and PTFE composites under wet condition with filler materials such as 25% bronze, 25% glass fiber and 25 % carbon have studied. The experimental work has performed on pin-on-disc friction and wear test rig and analyzed with the help of Design Expert software. The results of experiments are presented in tables and graphs which shows that the addition of bronze, glass and carbon filler to the virgin PTFE decreases wear rate significantly and there is marginal increase in coefficient of friction. The highest wear resistance was found for 25% carbon filled PTFE followed by 25% glass filled PTFE, 25% bronze filled PTFE and virgin PTFE. Through this study, we can develop the best bearing material for the various industrial applications which is available easily at the minimum cost. Keywords: Design of Experiments, Friction, Pin-on-Disc, Polytetrafluoroethylene (PTFE), Wear

Wear Analysis of Polytetrafluoroethylene (PTFE) and it’s Composites under Wet Conditions