Seizure of PEEK and Its Composite at High Sliding Velocity in Oil Lubrication

Abstract

Seizure behaviors of PEEK materials were studied using a block-on-ring wear tester under severe lubricated conditions. The blocks were unfilled-PEEK and its composite filled with 30wt.% of carbon fiber. For the comparison, a white metal (WJ2) was also tested. The ring was a forging steel (SF540A). Two kinds of seizure tests under an increasing load and under a constant load were conducted. In the increasing load test, the load was increased up to 1177N at an increasing rate of 1N/s. In the constant load test, the load was kept constant for 30 minute. The ring temperature was measured at 1mm below the surface and its influence on the friction behavior was studied and discussed.