7116 aluminium alloy

Wrought aluminium zinc 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

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

External links

https://www.researchgate.net/publication/238402678_Machinability_of_7116_Structural_Aluminum_Alloy
https://www.tandfonline.com/doi/abs/10.1080/AMP-200060603
https://www.tandfonline.com/doi/full/10.1080/AMP-200060603?scroll=top&needAccess=true

Aluminium alloys

Introduction