Optimization of Electroless Ni-P-W Coatings for Minimum Friction and Wear Using Grey-Taguchi Method

Table 7

Response table for grey relational grade.

Level	Load	Speed	Time
1	0.6464	0.5698	0.6659
2	0.5453	0.6246	0.5263
3	0.4966	0.4939	0.4961
Delta	0.1498	0.1307	0.1699
Rank	2	3	1

Total mean grey relational grade = 0.562767.