Research Article
Potentiodynamic Polarization Behaviour of Electroless Ni-P-W Coatings
Table 5
Grey relational analyses for corrosion potential and corrosion current density.
| Sl. no. | Normalized value | value | Grey coefficient |
Ecorr |
Icorr |
Ecorr |
Icorr |
Ecorr |
Icorr |
| 1 | 0.17505 | 0.00000 | 0.82495 | 1.00000 | 0.37737 | 0.33333 | 2 | 0.70380 | 0.99804 | 0.29620 | 0.00196 | 0.62799 | 0.99609 | 3 | 0.57071 | 0.99938 | 0.42929 | 0.00062 | 0.53805 | 0.99877 | 4 | 0.10062 | 0.68224 | 0.89938 | 0.31776 | 0.35730 | 0.61142 | 5 | 1.00000 | 0.99555 | 0.00000 | 0.00445 | 1.00000 | 0.99117 | 6 | 0.63558 | 0.99251 | 0.36442 | 0.00749 | 0.57842 | 0.98524 | 7 | 0.67392 | 0.99979 | 0.32608 | 0.00021 | 0.60527 | 0.99958 | 8 | 0.68850 | 0.99464 | 0.31150 | 0.00536 | 0.61614 | 0.98940 | 9 | 0.54470 | 0.97378 | 0.45530 | 0.02622 | 0.52339 | 0.95018 | 10 | 0.06572 | 0.26454 | 0.93428 | 0.73546 | 0.34861 | 0.40471 | 11 | 0.12514 | 0.95759 | 0.87486 | 0.04241 | 0.36367 | 0.92181 | 12 | 0.66436 | 0.96410 | 0.33564 | 0.03590 | 0.59834 | 0.93300 | 13 | 0.24642 | 0.97784 | 0.75358 | 0.02216 | 0.39886 | 0.95756 | 14 | 0.58172 | 0.89947 | 0.41828 | 0.10053 | 0.54450 | 0.83260 | 15 | 0.93084 | 1.00000 | 0.06916 | 0.00000 | 0.87849 | 1.00000 | 16 | 0.35919 | 0.59787 | 0.64081 | 0.40213 | 0.43829 | 0.55425 | 17 | 0.78295 | 0.98520 | 0.21705 | 0.01480 | 0.69731 | 0.97126 | 18 | 0.78533 | 0.99560 | 0.21467 | 0.00440 | 0.69963 | 0.99128 | 19 | 0.90916 | 0.99305 | 0.09084 | 0.00695 | 0.84625 | 0.98630 | 20 | 0.44128 | 0.92643 | 0.55872 | 0.07357 | 0.47227 | 0.87173 | 21 | 0.82108 | 0.74411 | 0.17892 | 0.25589 | 0.73647 | 0.66147 | 22 | 0.53675 | 0.89303 | 0.46325 | 0.10697 | 0.51908 | 0.82376 | 23 | 0.00000 | 0.77126 | 1.00000 | 0.22874 | 0.33333 | 0.68612 | 24 | 0.79843 | 0.99601 | 0.20157 | 0.00399 | 0.71268 | 0.99208 | 25 | 0.63069 | 0.88255 | 0.36931 | 0.11745 | 0.57517 | 0.80978 | 26 | 0.56234 | 0.99721 | 0.43766 | 0.00279 | 0.53324 | 0.99446 | 27 | 0.55345 | 0.93913 | 0.44655 | 0.06087 | 0.52824 | 0.89148 |
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