Research Article

The Effect of Ultraviolet Wavelength on Corrosion Behavior of 7075 Aluminum Alloy in the Marine Atmospheric Environment

Table 3

The fitting results of the kinetic parameters of the polarization curve of the sample after 28 days of ultraviolet irradiation with different wavelengths.

Wavelength (nm)Ecorr (V)icorr (μA/cm2)βa (mV·dec−1)βc (mV·dec−1)

0−0.635251.75887.30648.95
185−0.651482.0767.89658.77
254−0.629152.9715.50701.39