Dry Sliding Friction and Wear Studies of Fly Ash Reinforced AA-6351 Metal Matrix Composites

Table 10

Results of the confirmation experiment.

Initial design parameters		Optimal design parameters
		Predicted	Experimental
Level	A1B1C1	A2B3C1	A2B3C1
Grey relational grade	0.630	0.870	0.893
Improvement in grade	—	0.240	0.263