7075 Aluminum Troubleshooting Guide
What is 7075 aluminum?
7075 aluminium is a high-strength aluminum alloy composed of copper, magnesium, and zinc. It has similar strength to steel and good fatigue resistance. 7075 aluminum is easily machinable, making it a popular choice for military aircraft.
What are the characteristics of 7075 aluminum?
7075 aluminium has high strength, good fatigue resistance, and good machinability. It is a heat-treatable aluminum alloy, with good plasticity after solution treatment and excellent strengthening effect after heat treatment. It has high strength below 150℃ and particularly good low-temperature strength. However, 7075 aluminum has poor weldability and tendency for stress corrosion cracking.
What is 7075-T6 alloy composed of?
7075-T6 is composed of 1.6% copper, 2.5% magnesium, and 5.6% zinc. Aircraft manufacturers commonly use it to reinforce aircraft structures. Despite its copper content, it has good machinability but poor weldability.
What are the applications of 7075 aluminum sheet?
7075 aluminum sheet is a very strong metal. It is known for its toughness, making it a common material for aerospace applications. It has excellent weight-to-strength ratio, making it an ideal choice for high-stress components. 7075 aluminum sheet is often used for aircraft parts, missile parts, regulator parts, instrument gears, fuse parts, worm gears, and keys for high-stress structural components. It is also used for commercial aircraft parts, aerospace and defense equipment applications, and as a mold material in the plastics industry.
What is the strength measurement value of 7075 aluminum?
The strength measurement value of 7075 aluminum is 83,000 psi for tensile strength, 48,000 psi for shear strength, and 73,000 psi for fatigue strength. Due to its excellent weight-to-strength ratio, it is an ideal choice for high-stress components.
What are the forming and heat treatment conditions for 7075 aluminum?
7075 aluminum can be formed in the annealed state and then requires heat treatment. If it is difficult to form this metal under annealing conditions, it can be softened by placing it at a high temperature between 200 and 250 degrees Fahrenheit. To make the alloy have high strength properties, heat treatment can be performed. When using forging, the alloy is required to be placed at a temperature between 700 and 900 degrees Fahrenheit. Subsequently, solution heat treatment should be used. This aluminum alloy can achieve different properties and shapes through controlling the heating and cooling process during forging. Forging is a forming method that heats the metal to a high temperature and then applies pressure, and can be used to manufacture high-stress components such as aircraft parts, missile parts, and automobile engine components. Through forging, 7075 aluminum alloy can obtain good mechanical properties and toughness to meet the needs of different applications.
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