Table 2 Contact angles (θ) and surface free energies (γs) of all samples.

From: Surface characterization, wettability and antimicrobial ability of anodic oxide TiO2 layers on Ti45Nb alloy

Sample

Contact angle

(degree)

Surface free energy

(mJ.m−2)

0 V

61.4

46.99

25 V

50.8

53.30

50 V

48.5

54.63

75 V

43.8

57.29

100 V

38.8

60.02

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