2024
DOI: 10.1002/maco.202313977
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An assessment of pitting corrosion in anodized aluminum alloys: It might not be what it seems

João Victor de Sousa Araujo,
Mariana Xavier Milagre,
Xiaorong Zhou
et al.

Abstract: In this study, special attention was given to the characterization of pits on the anodized aluminum alloy (Al–Zn–Mg–Cu) with an anodic aluminum oxide formed in tartaric sulfuric acid. Anodic polarization in 0.1 mol L−1 NaCl solution was used to initiate pitting corrosion in the anodized alloy. Pit characteristics, such as morphology and depth, were evaluated by using optical microscopy and optical profilometry, and scanning electron microscopy. The methodology adopted in this study revealed severe under‐film p… Show more

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