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    Aluminum Alloys application

    • Author:Durham Technology
    • Release on :2018-11-30
    Aluminium alloys (or aluminum alloys) are alloys in which aluminium (Al) is the predominant metal. The typical alloying elements are copper, magnesium, manganese, silicon, tin and zinc. There are two principal classifications, namely casting alloys and wrought alloys, both of which are further subdivided into the categories heat-treatable and non-heat-treatable. Aluminium alloys are widely used in engineering structures and components where light weight or corrosion resistance is required.


    Aluminium alloys features and advantages


    1.       Light and soft. The density of aluminum is 2171 g/cm3, which is about one-third of the density of steel.


    2.       Good strength. Pure aluminum has a tensile strength of approximately 80 MN/m2, which is one-fifth that of mild steel. However, after heat treatment strengthening and alloying strengthening, the corresponding strength values of low carbon steel can be achieved.


    3.       Good corrosion resistance. One of the characteristics of aluminum alloy is that a dense oxide film is formed on the surface when it contacts air, and this film can prevent corrosion, so the corrosion resistance is good. If the "alumina film treatment method" is applied to it, corrosion can be completely prevented.


    4.       Good processing performance. Rail vehicle profiles have good extrusion properties, and secondary machining and bending are easier.


    5.       Easy to process, after adding certain alloying elements, cast aluminum alloy with good casting properties or deformed aluminum alloy with good processing flexibility.


    While steel is used for applications where strength is essential, aluminum provides important benefits that cannot be achieved with steel. Aluminum is lighter in weight, provides excellent corrosion resistance and delivers the strength required for engineering structures and components. This is why we chose aviation grade aluminum alloy as our night vision goggle main material.