Pure Al does form a passive layer, but apparently not 2024 Al alloy as used on a... | Hacker News

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yuubi on Jan 31, 2014 | parent | context | favorite | on: Boeing #12

Pure Al does form a passive layer, but apparently not 2024 Al alloy as used on aircraft (trades more strength for corrosion susceptibility).

https://en.wikipedia.org/wiki/2024_aluminium_alloy

Some corrosion pics still at http://connielinguscorrosion.blogspot.com/ .

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