Research Article

Improvement in Tribological Performance of Ni-P-TiO2 Composite Coatings Using Taguchi Technique with Grey Relational Analysis

Table 5

Mean response table for grey relational grade.

Level

10.6663520.691510.743603
20.6774510.6456510.599077
30.4990.5056420.500123
Delta0.1784510.1858680.24348
Rank321

Total mean grey relational grade = 0.614268.