Figure 10

Frictional noise and vibration characteristics of the three rubber ring-discs at room temperature.

(a) Critical velocities of the frictional vibration of the three rubber materials under different applied loads; (b) frictional noise of three rubber materials at 0.3, 0.9 MPa and 0.22 m/s; frequency-domain spectrum after filtering of three rubber materials at (c) 0.3, (d) 0.9 MPa and 0.22 m/s.