An alloy is made by mixing two or more chemical elements, out of which at least one element is a metal. Brasses, steel and bronze are some of the most commonly used alloys in our daily life.
Alloys will have qualities that are different from that of the metals used to make them. Generally, alloys are harder and stronger than the metals they are made of. Alloying also makes it possible to create materials with just the right combination of properties that we need for a particular purpose.
For example, by combining aluminium with copper, magnesium and other metals, you get an alloy that is light yet strong enough to be used for building aeroplanes. Similarly, steel is a very useful alloy that is used in making everything from skyscrapers to saucepans! Half of today’s utensils would not be present if not for steel.
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