2024 aluminum is an age-hardening, high-strength aluminum alloy that is alloyed with copper as its primary alloying element. It is useful in a variety of applications, including:
- Aircraft structures
- Screw machine products
- Rivets
- Veterinary and orthopedic braces and equipment
- Truck wheels
- Scientific instruments
Mechanical Properties
The mechanical properties of aluminum 2024 vary depending on the temper of the material. The following are some of the typical properties of this aluminum bar in the T3 temper:
- Ultimate tensile strength: 469 MPa (68,000 psi)
- Yield strength: 324 MPa (47,000 psi)
- Elongation: 10%
Machinability
It is machinable, but it is not as easy to machine as some other aluminum alloys. It is recommended to use oil lubricants for all machining operations.
Formability
It can be formed by conventional methods, but hot forming should not be considered. The aluminum 2024 is weldable, but it but many do not recommend it because it can degrade the corrosion resistance of the alloy.
Corrosion Resistance
The corrosion resistance of 2024 aluminum is not as good as some other aluminum alloys. Experts suggest to anodize the surface of this aluminum to improve its corrosion resistance.
Heat Treatment
It is an age-hardening alloy, which means that it can be strengthened by heat treatment. The following are some of the common heat treatments for this aluminum grade:
- Solution heat treatment: This heat treatment is used to dissolve the alloying elements in the aluminum matrix.
- Aging: This heat treatment is useful to precipitate the alloying elements from the aluminum matrix, which hardens the material.
Applications of Aluminum 2024
2024 aluminum is popular in a variety of applications, including:
- Aircraft structures: aluminum 2024 is helpful in a variety of aircraft structures, including fuselages, wings, and landing gear.
- Screw machine products: It is useful to make rivets that are used to join aircraft structures.
- Veterinary and orthopedic braces and equipment: It is valuable to make veterinary and orthopedic braces and equipment because it is strong, lightweight, and corrosion-resistant.
- Truck wheels: This is useful to make truck wheels because it is strong, lightweight, and durable.
- Scientific instruments: It is helpful to make scientific instruments because it is strong, lightweight, and corrosion-resistant.
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