The Bronze age itself is named after the Substitutional alloy consisting of tin in a metallic solution of copper. Substitutional alloys played an important role in the development of human society and culture as we know it today. The combination also has a low melting point allowing it to be easily cast into many different shapes and sizes.(1) There are many other aspects of substitutional alloys that could be explored in depth, but the basic concept is the idea that each individual metal in an alloy give the final product its chemical and physical properties. An example could be Brass Door fixtures, they are strong and resist corrosion better then pure zinc or copper, the two major metals that constitute a brass alloy. Alloys allow metal mixtures that have increased resistance to oxidation, increased strength, conductivity, and melting point Essentially any property can be manipulated by adjusting alloy concentrations. Pure metals are useful but their applications are often limited to each individual metal's properties. The structure of the metal alloy is not limited to these two structures, but combined they represent a large portion of the common alloys.Īs the similarities between the electron structure of the metals involved in the alloy increase, the metallic characteristics of the alloy decrease. Two of the possible structures include Face Center Cubic (left), and Cubic Center Cubic (right). Depending on the specific type of substitutional alloy they can have multiple crystal structures. \): Examples of Substitutional Metal Alloys.
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