Process Optimization and Wear Behavior of Red Mud Reinforced Aluminum Composites

Table 3

Response table for grey relational grade.

Symbol	Parameters	Average grey relational grade			Max-Min
		Level 1	Level 2	Level 3
A	Applied load	0.8335	0.7786	0.7426	0.0190
B	Sliding velocity	0.7035	0.8437	0.8075	0.0168
C	wt.% of red mud	0.7015	0.8145	0.8387	0.0373
D	Counterpart material hardness	0.8075	0.7266	0.8206	0.0297