2024 7050 7075 Aerospace Aluminum for Horizontal Tail Fittings

In aerospace, horizontal tail surfaces are a crucial part of an aircraft, responsible for stability and control. To ensure the strength, stiffness, and reliability of horizontal tail components, a combination of 2024, 7050, and 7075 aluminum alloys is commonly used.

The application of 2024, 7050, and 7075 alloys in horizontal tail components is primarily due to their high strength and good fatigue performance. The 2024 alloy offers good mechanical properties and machinability, 7050 excels in corrosion resistance and strength, while 7075 is one of the strongest aluminum alloys, suitable for high-load applications. These characteristics ensure the reliability and control performance of the tail surfaces.

Why Choose Aluminum 2024, 7050, and 7075 for Aircraft Horizontal Tail Components

1. Aluminum 2024

Characteristics

High Strength: Aluminum 2024 is known for its excellent tensile strength, suitable for withstanding high stresses.
Good Fatigue Performance: It shows good fatigue strength under repeated loads, making it suitable for aerospace applications.
Machinability: It has good machinability, easy to shape and process, making it suitable for complex structures.

Application

In horizontal tail components, aluminum 2024 is typically used to manufacture load-bearing structures and supports, ensuring effective load resistance during flight.

2. Aluminum 7050

Characteristics

High Strength and Low Density: Aluminum 7050 excels in strength while maintaining a lightweight profile, helping to reduce the overall weight of the aircraft.
Corrosion Resistance: After surface treatment, aluminum 7050 exhibits good corrosion resistance, suitable for use in harsh environments.
Excellent Fatigue Performance: Suitable for structural components subjected to dynamic loads.

Application

Aluminum 7050 is commonly used in key components of horizontal tail surfaces, such as joints and frames, providing necessary stiffness and strength to ensure reliable performance of control surfaces.

3. Aluminum 7075

Characteristics

Ultra High Strength: Aluminum 7075 is one of the highest strength aluminum alloys on the market, suitable for applications subjected to extreme loads.
Good Fatigue Resistance: Aluminum 7075 performs excellently under repeated loads, making it suitable for long-term use in aerospace structures.
Machinability: Despite its high strength, aluminum 7075 still possesses good machinability, suitable for manufacturing complex parts.

Application

In horizontal tail components, aluminum 7075 is typically used to manufacture heavily loaded parts, such as hinges and support structures, ensuring maximum strength and stiffness during flight.

Chemical Composition of Aircraft Aluminum 2024 and 7075

Aluminum 2024 primarily contains copper as its alloying element, typically containing 3.8%-4.9% copper, 0.5%-1.2% magnesium, and 0.3%-0.9% manganese.
Aluminum 7075 primarily contains zinc as its alloying element, containing 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
Fe Cu	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

Combining aluminum alloys 2024, 7050, and 7075 allows for the optimal utilization of their respective advantages, ensuring that horizontal tail components have the necessary strength, stiffness, and durability. This alloy combination not only withstands the various stresses generated during flight but also ensures the sensitivity and reliability of the control surfaces, thereby enhancing the overall performance and safety of the aircraft.

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