Aluminium Alloy Plate In Aircraft & Aerospace Application
Chemical Composition | |||||||||
| Alloy | Si | Fe | Cu | Mn | Mg | Cr | Zn | Zr | Ti |
| 7075 | 0.40 | 0.50 | 1.2-2.0 | 0.30 | 2.1-2.9 | 0.18-0.28 | 5.1-6.1 | 0.05 | 0.20 |
2.Features
7XXX Series Alloys – (heat treatable – with ultimate tensile strength of 32 to 88 ksi) These are the aluminum / zinc alloys (zinc additions ranging from 0.8 to 12.0%) and comprise some of the highest strength aluminum alloys. These alloys are often used in high performance applications such as aircraft, aerospace, and competitive sporting equipment.
3.Application
The airframe of a typical modern commercial transport aircraft is 80 percent aluminum by weight. Aluminum alloys are the overwhelming choice for the fuselage, wing, and supporting structures of commercial airliners and military cargo/transport aircraft.
Aluminum was used as the primary propellant for the space shuttle’s solid rocket booster motor because it has a high volumetric energy density and is difficult to ignite accidentally.