Definition
A process of applying a thin protective coating of zinc to a steel or iron part by electroplating. The part is submerged in a solution containing zinc ions, and an electric current causes the zinc to deposit evenly onto the part's surface, protecting the underlying metal from corrosion.
Plain English
Coating a steel part with a thin layer of zinc using electricity, so the part won't rust.
Context Anchor
Seen in aircraft maintenance and materials discussions, especially when describing corrosion protection on steel parts, brackets, fasteners, or sheet metal.
Derivation
From 'electro-' (using electricity) plus 'galvanizing' (coating with zinc). 'Galvanizing' comes from Luigi Galvani, the 18th-century Italian scientist whose work on electricity gave his name to several electrical processes. So the word literally means 'using electricity to apply a zinc coating.'
Why Pilots Care
Protects steel components like fasteners and landing gear from corrosion, extending part life and maintaining structural safety.
Intuition Check
Electrogalvanizing does not mean the part is being made into an electrical component. It means electricity is used during manufacturing to apply the protective zinc coating.
Example Sentence 1
The small steel brackets in the airframe were electrogalvanized to protect them from moisture and corrosion.
Example Sentence 2
Electrogalvanized parts on the airframe showed no signs of rust after years of service.