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. 2023 Apr 26;16(9):3377. doi: 10.3390/ma16093377

Table 4.

Pearson correlation coefficient r (%) for PEO coating properties and kinetic model parameters.

j h Ra Rz RPc RSm S1 S2 t-ZrO2 Ecorr Icorr Rp N j0 D τ C
d 98 55 65 70 −61 68 81 80 77 −80 −61 8 −43 −53 94 −65 11
j 100 67 76 77 −74 80 90 89 87 −89 −74 26 −57 −40 97 −74 0
h 100 99 95 −98 97 90 84 82 −84 −79 67 −98 40 80 −98 −71
Ra 100 97 −98 98 93 87 85 −87 −80 60 −95 29 87 −99 −64
Rz 100 −89 91 88 78 75 −79 −66 40 −86 23 89 −99 −63
RPc 100 −100 −95 −92 −92 92 90 −75 98 −29 −82 94 58
RSm 100 98 95 94 −95 −91 71 −95 21 87 −94 −52
S1 100 99 98 −99 −92 61 −86 −1 94 −90 −34
S2 100 100 −100 −96 67 −82 −8 89 −81 −22
t-ZrO2 100 −100 −98 70 −82 −7 87 −79 −22
Ecorr 100 96 −66 82 8 −89 82 23
Icorr 100 −83 83 −4 −74 72 25
Rp 100 −80 48 30 −51 −47
N 100 −50 −69 92 73
j0 100 −22 −31 −89
D 100 −86 −21
τ 100 68
graphic file with name materials-16-03377-i005.jpg -well-known correlations
-new uncovered correlations
-new correlations that statistically require additional studies
-indirect correlations, due to the mutual influence of parameters on each other