Friction Performance Optimization of Chemically Deposited Ni-P-W Coating Using Taguchi Method

Table 4

Experimental results.

SL. no.	COF	S/N ratio
1	0.465	6.6509
2	0.553	5.1455
3	0.562	5.0053
4	0.558	5.0673
5	0.515	5.7639
6	0.452	6.8972
7	0.551	5.1770
8	0.527	5.5638
9	0.635	3.9445
10	0.753	2.4641
11	0.549	5.2086
12	0.518	5.7134
13	0.468	6.5951
14	0.543	5.3040
15	0.652	3.7150
16	0.559	5.0518
17	0.438	7.1705
18	0.456	6.8207
19	0.552	5.1612
20	0.559	5.0518
21	0.437	7.1904
22	0.485	6.2852
23	0.801	1.9273
24	0.82	1.7237
25	0.532	5.4818
26	0.851	1.4014
27	0.722	2.8293