Tribological Performance of 3D Braided Glass Fibers Reinforced Light-curing Dimethacrylate Resin Composites

摘要

3D braided glass fiber reinforced visible-light-cured resin composites (denoted as G_(3D)/EEPE) were prepared by impregnation plus light-cured technique, and their tribological properties were studied in this work. It was found that the coefficient of friction and the specific wear rate of the G_(3D)/EEPE composites decreased with increasing V_f. Beyond a V_f of 32%, however, a slight increase in the specific wear rate of the G_(3D)/EEPE composites was found. The decreased friction coefficient and increased specific wear rate were observed in the G_(3D)/EEPE composites with increasing normal load regardless of velocity. The silane coupling treatment effectively improved the wear resistance of the G_(3D)/EEPE composites. Though the G_(3D)/EEPE composites showed lower friction coefficient and specific wear rate at lubricated condition than at dry contact, the similar adhesive wear mechanism was observed under two conditions.