Aircraft – Aluminum
Why are airplanes mostly made of aluminum?
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Hello,
Alu is light, does not rust (even if it oxidizes – but only a few atomic layers strong), is good to deform and process and it can be designed by additions as required, for example in aircraft construction as AlCuMg (aluminum, copper, magnesium) or with Mn (manganese) offset for seawater-resistant ships (fast and mine hunting boats, because Almagnet is antimagnet).
Alu is non-toxic and completely recycled. This is already noticeable in the required quantities.
The disadvantage is the high power consumption in the extraction of aluminum from bauxite, but the advantages override.
Thanks for the star!
Aluminium is a light metal that also has elastic properties and is not as expensive as titanium, for example. It is therefore the first choice in aircraft construction, in particular in the case of larger multi-engine machines as construction material as an alloy, for example with lithium.
Since it is light, stable, cheap and because an oxide layer with similar crystal structure encloses the metal and thus protects against corrosion.
Because aluminum is not so expensive, and it is lighter than steel, etc.