What is Alloy ?
An alloy is a metal composed of more than one element. Engineering alloys include the cast-irons and steels, aluminum alloys, magnesium alloys, titanium alloys, nickel alloys, zinc alloys and copper alloys. For example, brass is an alloy of copper and zinc. An alloy is a metallic substance that is made from the mixture of multiple metals or, sometimes, a metal with some other element such as carbon.
Alloys have been around for about nine millennia, but like most other domains in science and technology, the bulk of progress in alloy technology has occurred in the last few decades. In an alloy, the constituent elements are not meant to combine into larger molecules through chemical reactions, but are merely mixed together. When there are different ratios between two or more metals, the alloys produced have slightly different properties. Alloy is a metal made by combining 2 or more metallic elements, especially to give strength or resistance to corroding.
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