Tribological Performance Optimization of Al-7.5% SiCp Composites Using the Taguchi Method and Grey Relational Analysis

Table 5

Response table for grey relational grade.

Level	Load	Speed	Time
1	0.654	0.583	0.7004
2	0.5672	0.530	0.5492
3	0.5389	0.647	0.5105
Rank	3	2	1
Delta	0.1151	0.117	0.1899

Total mean grey relational grade = 0.5867.