Metal Alloys definition
What is alloy？An alloy is a mixture of chemical elements of which formed by the melting of two or more elements. After cooling, the alloy crystallizes into a solid solution, mixture, or intermetallic compound. The composition of alloys cannot be separated by physical means. Alloys are uniform and can maintain their metallic properties even if their composition may contain quasi metals or non metals.
List of Examples of Alloys
brass: copper, zinc. Cu content is about 65% in the softest brasses and 35% in the hardest brasses. May also contain Pb, Si, Sn, Fe, Al, and Mn.
bronze: copper, tin.Sn content is about 12%. Other elements such as Al, As, Mn, Ni, P, Si, and Zn may be added to improve strength or ductility.
steel：iron, carbon.C content is usually lower than 2%.
Stainless steel:iron, chromium, carbon. Cr content is at least 12%; Ni may also be added to inhibit corrosion.
Aluminum alloy:aluminum, copper,manganese, magnesium.Al content is 95%, Cu 4%, Mg 0.5%, and Mn 0.5%.May also contain Si. The alloy is stronger than pure Al for structural use in cars, aircraft, etc.
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