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New Product Interpretation of work hardening of 3/16 aluminum sheet

Discussion in 'Materials' started by guojianbin, Dec 14, 2020.

  1. guojianbin

    guojianbin New Member

    3/16 aluminum sheet has high strength, high fatigue strength, high plasticity and corrosion resistance, and good plasticity when hardened by semi-cold work. It is used in manufacturing and sheet metal of fuel tanks, oil pipes, rail transit, vehicles, ships and yachts. What is the work hardening process of 3/16 aluminum sheet?

    3/16 aluminum sheet processing strengthening is also called cold work hardening, which is the cold deformation processing of metal materials below the recrystallization temperature, such as forging, rolling, drawing, stretching, etc., during cold deformation, the density of internal dislocations in the metal increases and mutual Tangle and form a cell structure, hindering the movement of dislocations.

    The greater the degree of deformation, the more serious the dislocation entanglement, the greater the deformation resistance and the higher the strength. The degree of strengthening after cold deformation varies with the degree of deformation, deformation temperature and the properties of the material itself. When the same material is cold deformed at the same temperature, the greater the degree of deformation, the higher the strength and the lower the plasticity.

    Adding certain alloying elements to pure aluminum to form infinite solid solution or finite solid solution not only can obtain high strength, but also can obtain excellent plasticity and good pressure processing performance. The most commonly used alloying elements for solid solution strengthening in general aluminum alloys are copper, magnesium, manganese, zinc, silicon, nickel and other elements. Generally, the alloying of aluminum forms a limited solid solution, such as Al-Cu, Al-Mg, Al-Zn, Al-Si, Al-Mn and other binary alloys all form a limited solid solution, and all have a large limit solubility. Greater solid solution strengthening effect.
     
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  2. The Big Squeegee

    The Big Squeegee Major Contributor

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    Mostly you will find either the 5100 or 6000 series of alloyed aluminum. The aluminum used on aircraft, is mostly 2024 T6 which contains copper and is clad in a thin layer of pure aluminum. Aluminum and copper set up a charge between them that if exposed to oxygen and moisture will corrode. The cladding protects the alloy from exposure to oxygen so if you do run into this material, do not weld or scratch the surface. It is very difficult to weld anyway.... Cast aluminum is mostly 7000 series and is very hard to work with and is brittle in comparison to other series.
     

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