Aluminium 7116 alloy is heat treatable wrought alloy. It has 4.2 to 5.2 weight percentage of Zinc. It also contains magnesium, copper as small additions.
Chemical composition ElementWeight Percentage (%)Aluminum91.5 - 94.5Zinc4.2 - 5.2Magnesium0.80 - 1.4Copper0.50 - 1.1Iron≤ 0.30Silicon≤ 0.15Titanium≤ 0.050Vanadium≤ 0.050Manganese≤ 0.050Gallium≤ 0.030Other (each)≤ 0.050Other (total)≤ 0.15
Properties Properties MetricDensity2.78 g/cm3Young's Modulus69 MPaElongation at Break7.8%Fatigue Strength160 MPaPoisson's Ratio0.33Ultimate Tensile Strength370 MPaYield Strength330 MPaSpecific Heat Capacity880 J/kg-KThermal Conductivity150 W/m-K
Applications 7116 Aluminium alloy is primarily used in the aviation industry.
References
External links 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