29. Physical Properties of Aluminum
Aluminum is a lightweight, corrosion-resistant metal with excellent thermal and electrical properties, making it a valuable material in modern engineering. This chapter delves into aluminum's physical and mechanical properties, its alloying principles, various fabrication techniques, and its growing applications within civil engineering. Key benefits of aluminum over traditional materials, along with its environmental advantages and limitations, are also discussed.
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What we have learnt
- Aluminum is highly versatile and offers superior corrosion resistance.
- The strength of aluminum can be significantly enhanced through alloying.
- Fabrication methods such as welding, casting, and extrusion are crucial for utilizing aluminum in construction.
Key Concepts
- -- Aluminum Alloying
- The process of combining aluminum with other elements to enhance its mechanical properties.
- -- Corrosion Resistance
- The ability of aluminum to withstand deterioration from environmental factors, which is enhanced by its natural oxide layer.
- -- Thermal Conductivity
- Aluminum's ability to conduct heat, which is important in applications like overhead power lines.
- -- Ductility
- Aluminum's capacity to deform under tensile stress, allowing it to be shaped without breaking.
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