Research Article
Optimization of Electroless Ni-P-W Coatings for Minimum Friction and Wear Using Grey-Taguchi Method
Table 4
Experimental values of coefficient of friction and wear depth.
| | Exp. no. | COF | Wear (μm) |
| | 1 | 0.4785 | 6.2982 | | 2 | 0.46276 | 7.1545 | | 3 | 0.48203 | 8.055 | | 4 | 0.39932 | 7.258 | | 5 | 0.44238 | 8.0496 | | 6 | 0.44215 | 9.0692 | | 7 | 0.52605 | 14.164 | | 8 | 0.54982 | 16.7608 | | 9 | 0.55751 | 22.0726 | | 10 | 0.52421 | 10.3106 | | 11 | 0.55811 | 11.789 | | 12 | 0.53767 | 14.6806 | | 13 | 0.48066 | 6.9654 | | 14 | 0.51542 | 11.114 | | 15 | 0.56446 | 15.4086 | | 16 | 0.40976 | 14.8242 | | 17 | 0.45888 | 17.8212 | | 18 | 0.44027 | 20.0548 | | 19 | 0.40823 | 19.9342 | | 20 | 0.46926 | 24.2414 | | 21 | 0.50418 | 24.8034 | | 22 | 0.47685 | 11.6952 | | 23 | 0.51858 | 14.6608 | | 24 | 0.47967 | 16.5214 | | 25 | 0.42368 | 16.7828 | | 26 | 0.52806 | 20.4608 | | 27 | 0.46618 | 24.7724 |
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