Corrosion of Metals

Definition

Corrosion is the gradual destruction or alteration of materials by chemical reactions with their environment. In metals, corrosion often appears as rusting.

Related terms

Oxidation:

A chemical reaction that involves the moving of electrons from one atom to another. It's an essential part of corrosion.

Rust:

The reddish-brown flaky coating formed on iron or steel by oxidation, especially in the presence of moisture.

Galvanization: The process of applying a protective zinc coating to steel or iron, to prevent rusting.