metal alloy

Combined metallic elements

A metal alloy is a mixture of two or more metals, or a metal combined with other elements, engineered to produce specific properties.

Steel is an alloy of iron and carbon; bronze combines copper and tin; brass mixes copper and zinc.

Alloys typically offer advantages over pure metals—greater strength, corrosion resistance, or workability: Aircraft frames use lightweight aluminum alloys.

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Large repeated-unit molecule

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