Based on corrosion experiments at the laboratory, polarization curves for two types of commercial aluminium alloys were
Posted: Sun Jul 03, 2022 12:15 pm
Based on corrosion experiments at the laboratory, polarization curves for two types of commercial aluminium alloys were obtained as shown in Figure Q3. These curves are crucial in determining the kinetics of corrosion. E (VSCE) 0.0 -0.2 -0.4 -0.6 -0.8 -1.0 -1.2 4 Alloy A Alloy B -1.4 -1.6 1.E-09 1.E-08 1.E-07 1.E-06 1.E-05 1.E-04 1.E-03 log i (A.cm²) Rajah S3/Figure Q3 a) Identify the important elements of corrosion kinetics based on the polarization curves. (3 markah/marks) b) If you were to choose one of the alloys to be used as the material for a vessel in seawater. which would it be? Justify your answer. (8 markah/marks)