7050 Aircraft Aluminum for Bulkheads
Bulkheads are an important structural component inside the aircraft, providing structural stability and helping to separate different compartments, such as the cabin, cargo hold, and cockpit. Bulkheads also effectively isolate noise and heat, enhancing passenger comfort and improving the aircraft's impact resistance, protecting both passengers and cargo.
7050 aerospace aluminum is a high-strength aluminum alloy commonly used in the aerospace industry, particularly suitable for bulkhead structures. It has excellent corrosion resistance and toughness, providing outstanding structural support and compartmentalization in high-stress environments.
The composition of 7050 aluminum alloy includes zinc, magnesium, and copper, which contribute to its outstanding performance in weight-bearing and fatigue resistance. Additionally, its mechanical properties can be further enhanced through appropriate heat treatment, ensuring the safety and stability of internal compartments in the aircraft.
Why Choose 7050 Aluminum for Aircraft Bulkheads
- 1. High Strength and Lightweight: The lightweight characteristics of 7050 aluminum alloy help reduce the overall weight of the aircraft, improving fuel efficiency and performance.
- 2. Durability: Due to its high strength and good fatigue resistance, 7050 aluminum alloy can withstand various stresses and strains encountered during flight, ensuring the structural integrity of the bulkheads.
- 3. Corrosion Resistance: The good stress corrosion resistance of 7050 aluminum alloy makes it suitable for bulkheads exposed to humid environments, thereby extending the aircraft's lifespan.
- 4. Manufacturing Flexibility: 7050 aluminum alloy can be processed through machining, welding, and forming, accommodating complex bulkhead structure designs.
Haomei Aluminum can produce AMS 4050, AMS-STD-2154, EAC MS1004, EAC MS1005 QQ-A-430, EN 3982, and 7050 aerospace aluminum plates.
The specifications of 7050 aluminum plates can be customized according to customer requirements to meet different applications. Additionally, special processing is required for products with unique shapes and processing needs to ensure product quality and performance.
Chemical composition of 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 7050 aerospace aluminium plate
| Mechanical Property | Value |
| Tensile Strength | 496 MPa |
| Proof Stress | 427 Min MPa |
| Elongation | A-9 Min % |
7050 aluminum alloy 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 in bulkhead applications, providing excellent strength and toughness.
Although 7050 can be welded, it may require special welding techniques and filler materials to maintain the integrity of the alloy. Riveting and bolted connections are also commonly used methods.
7050 aerospace aluminum is an ideal material for bulkhead structures due to its excellent mechanical properties and corrosion resistance. It not only provides the necessary strength and durability but also effectively reduces the overall weight of the aircraft, improving fuel efficiency. The 7050 aluminum alloy plays a crucial role in the design and manufacturing of modern aircraft, ensuring flight safety and passenger comfort.
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