2024 7075 Aerospace Aluminum for Fuselage Frames
Due to their superior strength-to-weight ratio, 2024 and 7075 aluminum alloys are often used in the design of aircraft fuselage frames. The fuselage frame is one of the main structures of an aircraft and must withstand external aerodynamic loads as well as internal weight loads, necessitating high strength, good fatigue resistance, and appropriate corrosion resistance.
- 2024 aluminum alloy is frequently used in load-bearing areas of the frame, particularly where higher fatigue strength is needed, such as frame joints and wing ribs.
- 7075 aluminum alloy is suitable for high-strength fuselage structural components due to its higher tensile strength and good corrosion resistance, especially in areas where weight control is critical.
2024 and 7075 aluminum alloys are commonly used high-strength aluminum materials in the aerospace industry, widely applied in aircraft structures, particularly in critical areas like fuselage frames.
2024 Aerospace Aluminum for Fuselage Frames
Features of Aircraft Fuselage Frame Aluminum 2024
- High Strength: 2024 aluminum alloy has extremely high strength, especially after aging treatment, making it one of the most favored aluminum alloys in the aerospace industry.
- Good Fatigue Performance: 2024 aluminum performs excellently under high loads and repeated stresses, making it suitable for long-term use in dynamic stress environments.
- Poor Corrosion Resistance: Compared to 7075 aluminum alloy, 2024 aluminum has slightly poorer corrosion resistance, thus usually requiring external protective coatings.
Applications of Aerospace Aluminum 2024
- Due to its high strength and good fatigue resistance, 2024 aluminum alloy is commonly used in aircraft fuselage frames, structural reinforcements, wing ribs, wing beams, and other load-bearing structures.
- It is suitable for applications requiring lightweight yet strong load-bearing capabilities.
7075 Aerospace Aluminum for Fuselage Frames
Features of Aircraft Fuselage Frame Aluminum 7075
- Ultra High Strength: 7075 aluminum alloy is one of the highest strength aluminum alloys, with tensile strengths reaching 560 MPa or more, approaching that of some steels.
- Good Corrosion Resistance: Although the corrosion resistance of 7075 aluminum alloy is better than that of 2024, it is still not as good as some specially designed corrosion-resistant aluminum alloys.
- Good Workability: 7075 aluminum exhibits excellent workability during processing, making it suitable for heat treatment strengthening and widely used in manufacturing high-strength parts.
Applications of Aerospace Aluminum 7075
- 7075 aluminum alloy is widely used in structural components of aircraft, such as fuselage frames, landing gear, and wing beams, particularly suitable for parts requiring high strength with strict weight requirements.
- Due to its high strength and relatively lightweight, 7075 aluminum alloy is also commonly used in racing, sporting equipment, and other high-performance applications.
Chemical Composition of Aircraft Fuselage Frame Aluminum 2024 and 7075
Main Components: 2024 aluminum alloy primarily contains copper, typically with 3.8%-4.9% copper, 0.5%-1.2% magnesium, and 0.3%-0.9% manganese.
Main Components: 7075 aluminum alloy primarily contains zinc, with 5.1%-6.1% zinc, 2.1%-2.9% magnesium, 1.2%-2.0% copper, and a small amount of chromium.
Chemical Composition of Aluminum 2024
| Chemical Composition % | 2024 Alloy | 2A12 Alloy |
| Si | 0.5 | 0.50 |
| Fe Cu | 0.5 | 0.50 |
| 3.8 - 4.9 | 3.8 - 4.9 | |
| Mn | 0.3-0.9 | 0.3-0.9 |
| Mg | 1.2-1.8 | 1.2-1.8 |
| Cr | 0.10 | - |
| Ni | 0.10 | |
| Zn | 0.25 | 0.30 |
| Ti | 0.15 | 0.15 |
| Zr | - | - |
| Al | Remainder | Remainder |
Chemical Composition of Aluminum 7075
| Element | Composition(%) |
| Si | 0.40 |
| Fe | 0.50 |
| Cu | 1.2-2.0 |
| Mn | 0.30 |
| Mg | 2.1-2.9 |
| Cr | 0.18-0.28 |
| Zn | 5.1-6.1 |
| Ti | 0.20 |
| Other | 0.20 |
| Al | Remainder |
Alloys 2024 and 7075 are commonly used high-strength aluminum materials in the aerospace field, particularly suitable for structural components such as aircraft fuselage frames.
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