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  2. 7075 aluminium alloy - Wikipedia

    en.wikipedia.org/wiki/7075_aluminium_alloy

    The retrogression and reage (RRA) temper is a multistage heat treatment temper. Starting with a sheet in the T6 temper, it involves overaging past peak hardness (T6 temper) to near the T7 temper. A subsequent reaging at 120 °C for 24 hours returns the hardness and strength to or very nearly to T6 temper levels. [9]

  3. 6061 aluminium alloy - Wikipedia

    en.wikipedia.org/wiki/6061_aluminium_alloy

    6061-T6 aluminium standard heat treating process T6 temper 6061 has been treated to provide the maximum precipitation hardening (and therefore maximum yield strength) for a 6061 aluminium alloy. It has an ultimate tensile strength of at least 290 MPa (42 ksi) and yield strength of at least 240 MPa (35 ksi).

  4. Strain hardening exponent - Wikipedia

    en.wikipedia.org/wiki/Strain_hardening_exponent

    Aluminum 1100–O (annealed) 0.20: 180 2024 aluminum alloy (heat treated—T3) 0.16: 690 5052-O 0.13 210 Aluminum 6061–O (annealed) 0.20: 205 Aluminum 6061–T6: 0.05: 410 Aluminum 7075–O (annealed) 0.17: 400 Brass, Naval (annealed) 0.49: 895 Brass 70–30 (annealed) 0.49: 900 Brass 85–15 (cold-rolled) 0.34: 580 Cobalt-base alloy (heat ...

  5. Hardnesses of the elements (data page) - Wikipedia

    en.wikipedia.org/wiki/Hardnesses_of_the_elements...

    Mohs hardness [1] Vickers hardness ... aluminium: 2.75: 160–350: 160–550: 184 14: Si: ... Vickers hardness test; Brinell scale This page was last ...

  6. 2014 aluminium alloy - Wikipedia

    en.wikipedia.org/wiki/2014_aluminium_alloy

    It is easily machined in certain tempers, and among the strongest available aluminium alloys, as well as having high hardness. However, it is difficult to weld, as it is subject to cracking. [2] 2014 is the second most popular of the 2000-series aluminium alloys, after 2024 aluminium alloy. It is commonly extruded and forged.

  7. 6063 aluminium alloy - Wikipedia

    en.wikipedia.org/wiki/6063_aluminium_alloy

    6063 is the most common alloy used for aluminium extrusion. ... T6 temper 6063 has an ultimate tensile strength of at least 190 MPa (28,000 psi) and yield strength of ...

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  9. 7034 aluminium alloy - Wikipedia

    en.wikipedia.org/wiki/7034_aluminium_alloy

    7034 aluminium alloy is a wrought type. It having a very high ultimate tensile strength of 750 MPa. ... Brinell Hardness 210 Ultimate Tensile Strength 750 MPa Yield ...

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