Fig. 1 Scanning electron microscope dimple pindensity before experiment (a) 10%, (b) 12.5%, (c) 15%, and (d) 20%.
Fig. 2 Hexagonal array observed under scanning electron microscope (SEM).
Fig. 3 Schematic of experimental apparatus.
Fig. 4 Stribeck’s curve.
Fig. 5 Friction coefficient as a function of density at 0.06m/s.
Fig. 6 Friction coefficient as a function of density at 0.22m/s.
Fig. 7 Friction coefficient as a function of density at 0.34m/s.
Fig. 8 Friction coefficient as a function of duty number at 2N.
Fig. 9 Friction coefficient as a function of duty number at 6N.
Fig. 10 Friction coefficient as a function of duty number at 10N.
Fig. 11 SEM image of dimpled pin (a) dimple condition before test and (b) dimple condition after test.
Table 1. Summary of Test Conditions
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