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7075 aluminum alloy forged bar high-strength for aerospace
The 7075 aluminum alloy is a high-strength material that is widely used in the aerospace industry, due to its high strength-to-weight ratio, good corrosion resistance, and other beneficial properties. It is an attractive option for many applications due to its advanced physical and mechanical properties, as well as its overall versatility.
Characteristics
The 7075 high-strength aluminum forging rod has several features that set it apart from other materials. These include:
1. High strength: The 7075 aluminum alloy is one of the strongest aluminum alloys available, with excellent tensile strength and yield strength, making it suitable for use in high-stress applications.
2. Good corrosion resistance: The 7075 aluminum alloy has good corrosion resistance, which helps it maintain its strength and integrity in harsh environments.
3. Good workability: The 7075 aluminum alloy is easy to work with using standard metalworking techniques, including forging, rolling, and extrusion.
4. Good fatigue resistance: The 7075 aluminum alloy has excellent fatigue resistance, which allows it to withstand repeated stress, making it ideal for high-performance applications.
Chemical Composition
The 7075 aluminum alloy is composed of various materials that contribute to its impressive mechanical properties. The primary chemical composition of the 7075 aluminum alloy is:
- Aluminum (Al) – 90.6%
- Zinc (Zn) – 5.6%
- Magnesium (Mg) – 2.5%
- Copper (Cu) – 1.6%
- Silicon (Si) – 0.4%
- Chromium (Cr) – 0.2%
- Titanium (Ti) – 0.1%
- Iron (Fe) – 0.1%
These materials work together to create the exceptional mechanical and physical properties of the 7075 aluminum alloy, such as its high strength, hardness, and corrosion and fatigue resistance.
Mechanical Properties
The 7075 aluminum alloy is known for its high strength, which is why it is frequently used in aerospace and other high-performance applications. Some of the key mechanical properties of the 7075 aluminum alloy include:
- Tensile strength – up to 830 MPa (120,000 psi)
- Yield strength – up to 690 MPa (100,000 psi)
- Elastic modulus – 71 GPa (10,300 ksi)
- Fatigue strength – up to 305 MPa (44,200 psi)
- Hardness – up to 150 (HB)
Other excellent properties of the 7075 aluminum alloy include its ability to resist corrosion, wear, and high temperatures, which make it ideal for applications that require high strength and durability.
Applications
The 7075 high-strength aluminum forging rod has a wide range of applications due to its exceptional mechanical and physical properties. Its high strength-to-weight ratio makes it perfect for applications that require strength, stiffness, and lightness, such as:
1. Aerospace industry: The 7075 aluminum alloy is widely used in the aerospace industry for aircraft structural parts, such as wings, fuselages, and landing gear.
2. Automotive industry: The 7075 aluminum alloy is used in high-performance racing cars, particularly in the suspension and brake systems.
3. Military equipment: The 7075 aluminum alloy is used in military equipment, including high-performance aircraft and missiles.
4. Tool manufacturing: The 7075 aluminum alloy is used to manufacture high-strength tools, including drills, milling cutters, and other cutting tools.
5. Marine industry: The 7075 aluminum alloy is used in marine applications, including boat hulls, masts, and other structural parts.
Conclusion
In conclusion, the 7075 high-strength aluminum forging rod is an impressive material that boasts exceptional strength, lightness, corrosion resistance, and other beneficial properties. It has a wide range of applications in the aerospace, automotive, military, and marine industries, thanks to its high strength-to-weight ratio, durability, and versatility. Overall, the 7075 aluminum alloy is a top choice for many applications that require high-performance materials, and its popularity is set to grow in the years to come.
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