Journal
CORROSION SCIENCE
Volume 140, Issue -, Pages 286-296Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2018.05.036
Keywords
Aluminium; Alloy; Pitting corrosion; Intergranular corrosion
Funding
- University of Newcastle
- Australian Research Council
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New longer-term observations of corrosion and pitting of 6060-grade aluminium alloy showed that the most intensive pitting and corrosion occurred in the marine immersion zone. After 2 years exposure the corrosion morphology included shallow and deep pits, intergranular corrosion and crystallographic attack. The deepest pits showed complex morphologies, spatially and with depth. This is considered the result of localized anoxic conditions formed under accumulated corrosion products. Less severe corrosion was observed in the splash and tidal zones. For these the pit morphologies were less complex.
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