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Anon hates aluminum (sh.itjust.works)
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[-] Sam_Bass@lemmy.world 32 points 2 years ago

Aluminum "rusts" as well. White rust. Aluminum oxide.

[-] SkaveRat@discuss.tchncs.de 30 points 2 years ago

in fact, it rusts so fast, that it's pretty much impossible to get a "clean" aluminium surface while oxygen is around

[-] Sam_Bass@lemmy.world 3 points 2 years ago
[-] EddoWagt@feddit.nl 5 points 2 years ago
[-] Sam_Bass@lemmy.world 3 points 2 years ago

Yeah. Shame we cant live in a vacuum

[-] Kolanaki@yiffit.net 14 points 2 years ago

You also need both iron oxide and aluminum powder to make thermite. It's amazing what metal can achieve when it works together.

[-] Buddahriffic@lemmy.world 14 points 2 years ago

And if you combine that with magnesium powder, you can make a historic doping agent to coat your zeppelin with!

[-] Liz@midwest.social 3 points 2 years ago

Yeah but like, in order to get significant amounts of it you gotta be in a relatively harsh environment.

[-] Olhonestjim@lemmy.world 5 points 2 years ago

You get a lot of it at sea. Not supposed to polish it off though, because the aluminum oxide acts as a barrier to further corrosion, whereas iron oxide flakes and continually exposes fresh surface.

[-] Liz@midwest.social 1 points 2 years ago

Yeah I imagine you would. Salty water loves to eat things up.

[-] Sam_Bass@lemmy.world 1 points 2 years ago

Dunno how harsh a warehouse is. We used to get oxidized stuff for our presses a lot

[-] Liz@midwest.social 3 points 2 years ago

It depends on what's in the warehouse. The only place I've seen significant aluminum corrosion was inside a vac frame hood with years of corrosive fumes in it. But, I'm sure there's a middle ground. Aluminum isn't inert, but it's better than raw iron at resisting corrosion.

[-] Sam_Bass@lemmy.world 2 points 2 years ago

Really depends on the grade of material. Aluminum has several different grades of varying hardness, ductility, resistance. Same as steel. Corrosion is the bane of most usable metals and industries are constantly researching methods to fight it

this post was submitted on 05 May 2024
812 points (100.0% liked)

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