Corrosion Inhibition of Cu-Ni (90/10) Alloy in Seawater and Sulphide-Polluted Seawater Environments by 1,2,3-Benzotriazole

Table 12

Corrosion parameters of Cu-Ni (90/10) alloy obtained by potentiodynamic polarization studies in seawater in the presence of 3.33 mM BTAH at different immersion periods. (Temperature: 30°C).

Immersion period (h)	𝐸corr (mV)	𝑖corr (𝜇A cm^−2)	𝛽𝑐 (mV dec^−1)	𝛽𝑎 (mV dec^−1)	IE (%)
1	−207.7	0.128	−96.1	97.6	99.45
12	−210.0	0.070	−74.7	108.0	98.59
24	−195.2	0.067	−81.1	147.0	98.42
48	−117.4	0.042	−70.4	83.7	99.30