7050 aluminium alloy
Aluminium 7050 alloy is a heat treatable alloy. It has high toughness, high strength. It has high stress corrosion cracking resistance. [1] It has electric conductivity of value having 40 percent of copper. [2] 7050 aluminium is known as a commercial aerospace alloy.[3]
Chemical Composition[edit]
Element [1] | Content (%) |
---|---|
Aluminum, Al | 89 |
Copper, Cu | 2.3 |
Magnesium, Mg | 2.3 |
Zinc, Zn | 6.2 |
Zirconium, Zr | 0.12 |
Physical Properties[edit]
Properties [1] | Metric |
---|---|
Density | 2.6-2.8 g/cm3 |
Melting point | 494°C |
Tensile strength | 515 MPa |
Yield strength | 455 MPa |
Fatigue strength | 240 MPa |
Elastic modulus | 70-80 GPa |
Poisson's ratio | 0.33 |
Elongation | 11% |
Thermal conductivity | 180 W/mK |
Designations[edit]
It can be written as: [1]
- AMS 4108
- AMS 4201
- ASTM B247
- ASTM B316
- QQ A-430
Welding[edit]
Welding should be avoided, because it weakens aluminum alloy. [2]
Applications[edit]
- Aircraft and other structures[1]
- Fuselage frames[2]
- Bulkheads[2]
- Wing skins[3]
- Military aircraft applications [3]
References[edit]
External links[edit]
- For more properties, visit: http://asm.matweb.com/search/SpecificMaterial.asp?bassnum=MA7050T765
- Aluminum 7050 properties for different thickness https://www.aircraftmaterials.com/data/aluminium/7050.html
- Characterization on Aluminum Alloy 7050 Metal Matrix Composite Reinforced with Graphene Nanoparticles, "S.Venkatesana", "M. Anthony", "Xaviorb"