Surface Characterization of Stainless Steel 316L Coated with Various Nanoparticle Types
Table 3
Multiple comparisons of nanocoating thickness at different sputtering times (1, 2, and 3 hours) and for different coating materials (Nb, Ta, and V) using Tukey’s post hoc tests.
Dependent variable
Independent variable
Mean difference
Sig
Nb
1 hr
2 hr
56.273
0.001
3 hr
445.940
0.000
2 hr
3 hr
389.666
0.000
Ta
1 hr
2 hr
538.666
0.000
3 hr
990.100
0.000
2 hr
3 hr
451.433
0.000
V
1 hr
2 hr
60.636
0.000
3 hr
228.156
0.000
2
3 hr
167.520
0.000
1 hr
Nb
Ta
201.836
0.000
V
161.916
0.000
Ta
V
363.753
0.000
2 hr
Nb
Ta
684.230
0.000
V
157.553
0.000
Ta
V
841.783
0.000
3 hr
Nb
Ta
745.996
0.000
V
379.700
0.000
Ta
V
1125.696
0.000
indicates that the mean difference is significant at the 0.05 level.