Table 1 The corresponding data derived from the GC testing.

From: Galvanic corrosion protection of Al-alloy in contact with carbon fibre reinforced polymer through plasma electrolytic oxidation treatment

Samples

Current density at 120 min (μA/cm2)

Electrode potential at 120 min (V)

Current density reduced up to 120 min (%)

Al 7075 T6

58.2

− 0.69

–

TFSAA

51.5

− 0.56

12

PEO-300

36.6

− 0.58

59

PEO-500

9.7

− 0.55

83

PEO-600

6.1

− 0.42

90

PEO-700

6.2

− 0.36

90

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