Research Article
Potentiodynamic Polarization Behaviour of Electroless Ni-P-W Coatings
| Source | DF | SS | MS | F-ratio | % contribution |
| A | 2 | 0.00464 | 0.00232 | 0.22 | 0.71 | B | 2 | 0.03021 | 0.01511 | 1.42 | 4.61 | C | 2 | 0.16078 | 0.08039 | 7.58* | 24.51 | D | 2 | 0.11706 | 0.05853 | 5.52* | 17.85 | AB | 4 | 0.06039 | 0.0151 | 1.42 | 9.21 | AC | 4 | 0.19411 | 0.04853 | 4.57* | 29.59 | BC | 4 | 0.0251 | 0.00627 | 0.59 | 3.83 | Error | 6 | 0.06367 | 0.01061 | | 9.71 |
| Total | 26 | 0.65596 | | | 100.00 |
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ignificant at 95% confidence level ( = 5.14 and = 4.53).
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