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
External links
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