Aluminum alloys are mainly used as structural materials in aircraft, such as skins, frames, propellers, fuel tanks, panels and landing gear struts.
Aluminum alloy castings for Aeronautics and Astronautics
In the modern aircraft structure, 1500~2000 kinds of aluminum castings are used. According to the different operating conditions and parts of the aircraft, three basic aluminum alloys are used mainly: high strength aluminum alloy, heat-resistant aluminum alloy, and corrosion resistant aluminum alloy.
1. High strength aluminum alloy is mainly used for aircraft fuselage components, engine compartment, seat, control system, etc.
2. Heat resistant aluminum alloy parts are mainly used for engine room near the motor, air exchange system, etc.
3. Corrosion resistant aluminum alloy has high performance index, its strength, plasticity, impact toughness, fatigue property and weldability are very good, mainly with corrosion resistance, so it can be used for water aircraft.
Large extruded profiles for aerospace include: integral reinforced bar panels, I-beam, wing girders, comb shaped profiles, hollow beam profiles, etc. It is mainly used for aircraft, spacecraft and other aerospace structural components, as well as helicopters special-shaped hollow rotor girder and aircraft runway.
Aluminum alloy thick plate is an important structural material in modern aerospace industry. It is widely used in aircraft frame, integral panel, landing gear, skin and so on.
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