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High‐performance polymer‐based frictional materials have become increasingly important to improve the mechanical output properties of ultrasonic motors. This study discussed the friction and wear behavior of 2 dominating frictional materials of polymer composites for ultrasonic motors, polyimide (PI), and polytetrafluoroethylene (PTFE) filled by aramid fibers (AF) and molybdenum disulfide (MoS2)....
This paper investigates both experimentally and theoretically the effect of lubricant on the interface stresses under high temperature. A statistical formula was developed to predict the Stribeck curves by considering asperity-lubricant interactions at the contact interface. This enables us to decouple the interface friction stresses contributed by lubricant and asperity solid-solid contact sliding...
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