Definition: mixtures composed of two or more elements, at least one of which is metal.
Examples:
- Brass is an alloy of copper and zinc. It is harder than copper and is more easily cast and it is also used in coinage.
- Steel is the most important alloy today. The principal elements in most steel, in addition to iron, carbon, are, boron, chromium, manganese, molybdenum, nickel, tungsten, and vanadium. Steel has a wide range of useful purposes, such as corrosion resistance, ductility, hardness, and toughness.
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