Abstract
A preliminary investigation of the molecular weight of polytetrafluoroethylene (PTFE) wear debris was undertaken. It was found that the molecular weight of PTFE wear debris generated from thrust washers was drastically reduced compared with that of the thrust washer. A consistent difference in the molecular weight of the wear debris was observed in samples obtained at high and at low pressure velocities. A fluorocarbon composite material yielded wear debris of molecular weight even lower than that of unfilled PTFE wearing below its limiting pressure-velocity.
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