Effect of Filler Content on the Performance of Epoxy/PTW Composites

Table 4

COF for test samples under different loads and velocities.

Material	Coefficient of friction (COF)
	Velocity 0.5 m/s			Velocity 0.75 m/s			Velocity 1 m/s
	10 N	20 N	30 N	10 N	20 N	30 N	10 N	20 N	30 N
EP0	0.620	0.510	0.420	0.620	0.505	0.380	0.590	0.475	0.480
EP5	0.670	0.530	0.500	0.620	0.495	0.427	0.590	0.545	0.493
EP10	0.690	0.540	0.493	0.660	0.510	0.453	0.690	0.540	0.493
EP15	0.720	0.545	0.498	0.690	0.545	0.480	0.780	0.590	0.496