7116 aluminium alloy

Aluminium 7116 alloy is heat treatable wrought alloy.[1] It has 4.2 to 5.2 weight percentage of Zinc. It also contains magnesium, copper as small additions.

Chemical composition

Element[1] Weight Percentage (%)
Aluminum 91.5 - 94.5
Zinc 4.2 - 5.2
Magnesium 0.80 - 1.4
Copper 0.50 - 1.1
Iron ≤ 0.30
Silicon ≤ 0.15
Titanium ≤ 0.050
Vanadium ≤ 0.050
Manganese ≤ 0.050
Gallium ≤ 0.030
Other (each) ≤ 0.050
Other (total) ≤ 0.15

Properties

Properties Metric
Density[1] 2.78 g/cm3
Young's Modulus[2] 69 MPa
Elongation at Break[2] 7.8%
Fatigue Strength[2] 160 MPa
Poisson's Ratio[2] 0.33
Ultimate Tensile Strength[2] 370 MPa
Yield Strength[2] 330 MPa
Specific Heat Capacity[2] 880 J/kg-K
Thermal Conductivity[2] 150 W/m-K

Applications

Its application is in the aviation industry[1]

References

  1. ^ a b c d "7116 aluminum alloy". 8 May 2013. Archived from the original on 2020-10-23.
  2. ^ a b c d e f g h "7116 aluminum alloy properties". Archived from the original on 2016-03-20.
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