Aluminum
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Price
$$$$$
Strength
Lightweight, high-strength-to-weight, electrical and thermal conductivity.
Weakness
Low strength compared to some other metals, susceptibility to fatigue failure, lower melting point.
Common Application
Aerospace like aircraft structurers, wings, fuselages. Automotive like engine blocks, cylinder heads, wheels.
Aluminum 2024-T3
Aluminum 2024-T3 is known for its excellent fatigue resistance and good machinability. The "T3" designation indicates that the alloy has been solution heat treated and artificially aged, resulting in improved mechanical properties. Aluminum 2024-T3 also exhibits good corrosion resistance, although it may be susceptible to stress corrosion cracking in certain environments.
| Tensile Strength | Elongation at Break | Hardness | Desnsity |
|---|---|---|---|
| 345 MPa | 18% | 120 HB | 2.78 g/cm³ |
Aluminum 6061
Aluminum 6061 is a highly versatile alloy renowned for its excellent mechanical properties, weldability, and corrosion resistance. It boasts a high strength-to-weight ratio, making it suitable for structural applications where strength is paramount. This alloy is easily machinable and formable, allowing for the creation of intricate shapes through various manufacturing processes. With its good resistance to corrosion, it finds applications in outdoor and marine environments.
| Tensile Strength | Elongation at Break | Hardness | Desnsity |
|---|---|---|---|
| 310 MPa | 17% | 98 HB | 2.7 g/cm³ |
Aluminum 7075
Aluminum 7075 is a high-strength alloy with excellent mechanical properties, including high strength-to-weight ratio and good fatigue resistance. The "T6" temper designation signifies that the alloy has been solution heat treated and artificially aged to achieve maximum strength. Aluminum 7075 offers excellent machinability and is highly resistant to corrosion, making it suitable for various structural components and machined parts.
| Tensile Strength | Elongation at Break | Hardness | Desnsity |
|---|---|---|---|
| 503 MPa | 11% | 150 HB | 2.81 g/cm³ |
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How does the cost of aluminum compare to other materials?
Generally, aluminum is considered to be competitively priced compared to other materials like steel and titanium. Additionally, aluminum's recyclability can contribute to long-term cost savings and sustainability.
Is aluminum suitable for outdoor applications?
Yes, aluminum is suitable for outdoor applications due to its excellent corrosion resistance. When exposed to air, aluminum naturally forms a thin oxide layer that protects it from rust and corrosion. This makes it highly durable and resistant to degradation caused by environmental factors such as moisture, sunlight, and temperature fluctuations.
How does the strength of aluminum compare to steel?
In general, aluminum is less dense and lighter than steel. However, steel is generally stronger than aluminum, especially in terms of tensile strength and stiffness.
