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Evaluate the Effects of Various Surface Roughness on the Tribological Characteristics under Dry and Lubricated Conditions for Al Si Alloy

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Figure

Figure 1. Pin-on-disc wear testing machine.
Figure 2. The SEM images of microscopic structures of Al-Si casting alloy.
Figure 4. Variation of surface roughness R0.05 µm and volumetric wear rate with normal load of 10 N at 200 rpm under dry and lubricated conditions.a = 6, 8 and 12 ±
Figure 5. The friction coefficient decreases as the load increases Coefficient  of  Friction,  µ 0.24
+2

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