Galvanization
Galvanization
Galvanization (pronounced: gal-vuh-ni-zay-shun) is a process of applying a protective zinc coating to steel or iron, to prevent rusting. The most common method is hot-dip galvanizing, in which the parts are submerged in a bath of molten zinc.
Etymology
The term galvanization is derived from the name of Italian scientist Luigi Galvani, who discovered the electrochemical process that occurs between metals during an experiment in the 19th century.
Process
Galvanization involves the use of chemical reactions to coat a layer of zinc onto the surface of a metal. This is typically done through a process known as hot-dip galvanizing, where the metal is submerged in a bath of molten zinc. The zinc then reacts with the metal to form a tightly-bonded alloy coating which protects the base metal from corrosion.
Related Terms
- Corrosion: The process of deterioration in metals caused by oxidation or chemical actions.
- Zinc: A chemical element used in the galvanization process to prevent rusting.
- Metal: A solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity.
- Chemical Reaction: A process that leads to the transformation of one set of chemical substances to another.
See Also
External links
- Medical encyclopedia article on Galvanization
- Wikipedia's article - Galvanization
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