Fig. 5: Optical microscopy images of the AA2024 T3 alloy sample after 24 h immersion in the reference NaCl solution. | npj Materials Degradation

Fig. 5: Optical microscopy images of the AA2024 T3 alloy sample after 24 h immersion in the reference NaCl solution.

From: Corrosion inhibition mechanisms of 2-mercaptobenzothiazole on AA2024 T3 aluminium alloy

Fig. 5

(a) Corrosion attack on the entire exposed area, (b) Region analysed by ToF-SIMS, (c) Pits formed on the surface, (d) and (e) Intergranular attack surrounded by small pits, and (f) Galvanic attack site with intergranular attack in the anode surrounded by a protected cathode.

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