7050 Aircraft Aluminum for Trailing Edge Ribs
7050 aluminum alloy is a high-strength, heat-treatable alloy primarily composed of aluminum, zinc, magnesium, and copper. Its excellent mechanical properties make it particularly valued in the aerospace industry, making it an ideal choice for critical components such as the wing trailing edge ribs.
Trailing edge ribs are structural components located at the trailing edge of the wing. They provide shape, support, and stiffness to the wing structure, while also enhancing aerodynamic performance. Ribs play a crucial role in distributing loads and maintaining the integrity of the wing structure during flight.
Why Choose 7050 Aluminum for Wing Trailing Edge Ribs
- High Strength-to-Weight Ratio: The lightweight characteristics of 7050 aluminum reduce the overall weight of the aircraft, improving fuel efficiency and performance.
- Durability: The high strength and fatigue resistance of the 7050 alloy ensure that the trailing edge ribs can withstand the stresses and strains encountered during flight, including turbulence and aerodynamic forces.
- Stress Corrosion Resistance: Enhanced resistance to stress corrosion cracking is essential for components exposed to humid and varying environmental conditions, prolonging the aircraft's lifespan.
- Manufacturing Flexibility: 7050 can be easily machined, welded, and formed, allowing for the complex shapes required in rib design.
Haomei Aluminum can produce AMS 4050, AMS-STD-2154, EAC MS1004, EAC MS1005 QQ-A-430, EN 3982, and 7050 aerospace aluminum plates.
Properties of 7050 Aerospace Aluminum
- Fatigue Strength: 7050's excellent fatigue resistance makes it suitable for components subjected to cyclic loads.
- Corrosion Resistance: It has good resistance to stress corrosion cracking, especially in the T7451 condition, which is crucial for components exposed to harsh environmental conditions.
- Weight: 7050 is lightweight compared to steel, enhancing the aircraft's fuel efficiency.
- Machinability: It is machinable but requires careful handling to avoid cracking and distortion.
- Weldability: Generally considered difficult to weld, but special techniques and filler materials can be used for welding.
Chemical composition of Haomei 7050 aerospace aluminum alloy
| Element | Composition(%) |
| Si | 0.12% |
| Fe | 0.15% |
| Cu | 2.0-2.6% |
| Mn | 0.1% |
| Mg | 1.9-2.6% |
| Ti | 0.06% |
| Cr | 0.04% |
| Zr | 0.08-0.15% |
| Zn | 5.7-6.7% |
| Other (Each) | 0.0-0.05 |
| Aluminium (Al) | Balance |
Mechanical properties of Haomei 7050 aerospace aluminium plate
| Mechanical Property | Value |
| Tensile Strength | 496 MPa |
| Proof Stress | 427 Min MPa |
| Elongation | A-9 Min % |
Considerations for 7050 Aerospace Aluminum
Heat Treatment: 7050 aluminum is typically supplied in a solution heat-treated condition and can be further aged to achieve the desired mechanical properties. The T7451 temper is commonly used for trailing edge ribs, providing a good balance of strength and toughness.
Joining Techniques: While welding is possible, it may require special techniques and filler materials to maintain the integrity of the alloy. Riveting and bolted connections are also commonly used methods in aircraft structures.
7050 aluminum alloy, with its high strength, lightweight characteristics, and good resistance to environmental degradation, is an excellent choice for trailing edge ribs in aircraft design. It can withstand the rigorous demands of flight, making it the preferred material in the aerospace industry, contributing to the overall performance and safety of modern aircraft.
Users viewing this material also viewed the following
-
7050 T7451 Aircraft Aluminum Plate Sheet
7050 T7451 aircraft aluminum plate is a zinc alloy aluminum alloy, mainly used for structural parts that require high strength and corrosion resistance.
-
7050 T74511 T76511 T73511 Aerospace Aluminum Bars
7050 aerospace aluminum bar is a high-strength aluminum alloy, widely used in the aerospace, military, and high-performance industrial sectors.
-
7050 Aerospace Grade Aluminum Forging
7050 aluminum forgings are widely used in the manufacture of fuselage structural parts, wing beams, landing gear components, etc. due to their excellent strength, corrosion resistance and weldability.
-
7050 Aerospace Aluminum Profile Extrusion
7050 aluminum alloy profiles are suitable for producing large structural components with thick cross-sections, such as aircraft wing beams, fuselage frames, landing gear, and supporting structures.
