7075 aluminum forgings are widely used in aircraft belly sheets due to their excellent mechanical properties, high strength, and light weight. The use of such forgings ensures the durability and reliability of the aircraft, making it an integral part of the aerospace industry.
The main reason for using aluminum forgings in aircraft belly sheets is their high strength-to-weight ratio, which makes them ideal for use in situations where weight is a crucial concern. This is because the 7075 aluminum alloy has a tensile strength of 83,000 psi and a yield strength of 73,000 psi, giving it exceptional mechanical strength and resilience, even in harsh conditions.
Moreover, 7075 aluminum forgings are non-corrosive and have excellent resistance to damage from environmental forces such as moisture, heat, and vibration. This makes them perfect for use in aircraft belly sheets, which are exposed to high stress and harsh environmental conditions.
The forging process used to create these aluminum forgings involves heating the metal to a temperature ranging from 700 to 900 degrees Celsius and then pressing it into the desired shape using a die. The forging process aligns the metal grain, resulting in superior mechanical properties such as high tensile strength, toughness, and fatigue resistance.
7075 aluminum forgings are also known for their machinability and weldability, making them easy to shape and work with. They can be fabricated into complex shapes using a variety of methods, including CNC machining, stamping, and cold forming.
In addition to aircraft belly sheets, 7075 aluminum forgings are used in other critical aerospace components such as landing gear, wings, and fuselage parts. This is because they provide the necessary strength and durability required to keep the aircraft in the air.
In summary, 7075 aluminum forgings are essential components of aerospace engineering. The use of these forgings in aircraft belly sheets has revolutionized aviation, allowing airlines to build more efficient, stronger, and lighter aircraft. By continuing to innovate and refine the use of these forgings, we can expect even safer and more effective aircraft in the future.