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. Author manuscript; available in PMC: 2017 Jun 8.
Published in final edited form as: Mater Sci Eng B Solid State Mater Adv Technol. 2016 Feb 26;208:39–46. doi: 10.1016/j.mseb.2016.02.005

Table 5.

Summary of DC polarization results for AZ31 substrate and PEO coated samples.

Samples ECorr (V) ICorr (A/cm2) βAnodic βCathodic Vb (V) Corrosion rate (MPY)
AZ31 −1.55 8.06 × 10−6 0.9211 0.2136 −1.33 1.85 × 10−4
AZ31-1 −1.55 3.98 × 10−8 0.3837 0.24 −1.23 9.12 × 10−7
AZ31-2 −1.66 1.04 × 10−6 1.0208 0.2743 −1.37 2.38 × 10−5
AZ31-3 −1.56 8.44 × 10−8 0.1489 0.1534 −1.47 1.93 × 10−6