Influence of Nanographite on Dry Sliding Wear Behaviour of Novel Encapsulated Squeeze Cast Al-Cu-Mg Metal Matrix Composite Using Artificial Neural Network

Table 5

Signal-to-noise ratio for coefficient of friction—smaller is better.

Level	Load (N)	Velocity (m/s)	Nanographite wt%
1	6.974	8.029	6.740
2	7.741	7.349	7.654
3	5.720	5.057	6.040
Delta	2.021	2.972	1.614
Rank	2	1	3