Alloys are metal mixtures with other elements, the precise combination of which is governed by the properties required.
What do you mean by an alloy?
An alloy is a substance formed from the combination of two or more metals. Alloys can also be formed from combinations of metals and other elements. In simpler words, an alloy can be defined as a homogeneous mixture of two or more metals or a metal and a nonmetal.
The brass is an alloy of copper and zinc. The combination of these metals makes the brass solid and robust. The door buttons and high-quality locks all make of brass.