Slow deterioration of metal parts where the metal is worn away by an electro-chemical reaction called oxidation that is formed when combining exposed metal, oxygen, and electrolyte (eg acids, salts, moisture).

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The stone chip rust doesn't go away

Last year, I had a big stone chip with growing rust. I did thoroughly sand it, applied primer and painted it. It was not supposed to look good, I just wanted to prevent the rust expansion. After a ...
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Hybrid car battery compartment

Why are the battery mounting arms in the luggage compartment not painted and protected from corrosion? Some are painted and some are not. Is it possible to paint them with an anti-corrosion ...