Tribo Performance of T-bfrp Composite Subjected to Dry/Wet Contact Conditions - Natural Polymers, Biopolymers, Biomaterials, and Their Composites, Blends, and IPNs - page 312

Figure 10. Roughness average profiles of the virgin counterface and after testing at 30 N applied load,
(a) Virgin counterface, Ra = 0.052 µm; (b) DRY: AP-O, Ra = 0.079 µm; (c) WET: AP-O, Ra = 0.068 µm.
3.36 km sliding distance and 2.8 m/s sliding velocity under dry/wet conditions
Figure 11. Roughness averages (Ra) of the counterface before and after the test under dry/wet contact
conditions