International Journal of Physics and Astronomy

Classifications, Characterization and Applications of Metallic Alloys
El Said Gouda

Abstract
An alloy is a homogeneous mixture of two or more metallic elements. Their structures features may be one or more of the following phases: solid solution, intermediate phases, and phase mixture depending on the types of the metals presented in the alloy. In regard to the composition, metallic alloys are classified as either ferrous or nonferrous. In regard to the base metal, alloys could be classified as: copper alloys, aluminum alloys, Magnesium alloys and Titanium alloys. In regard to the distinctive characteristic, alloys could be classified as; shape memory alloys, shielding blocks alloys, fusible alloys, and joining alloys. In regard to the joining alloys, alloys could be classified as welding, brazing and soldering. In regard to the soldering alloys, alloys could be classified as lead-tin solders and Lead-free solders.

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