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General
Aluminium: Properties And Benefits
About 200 years ago, there was little or no knowledge about Aluminium. Aluminium is a silver-like white metal that can be found in our homes, automobiles, airplanes, trains, shelves on our refrigerators, our mobile devices, and even in intricate modern interior and exterior designs.
Aluminium is durable, light, and super functional. One amazing fact about this metal is that it is among the most widespread metals on earth after silicon and oxygen, making up approximately 8% of the earth’s core mass.
The common form of Aluminium is Aluminium sulfates. It is used to purify water, used in cosmetology, medicine, cooking, and other vital areas.
Physical Properties Of Aluminium
- Strength Of Aluminium.
Naturally, pure Aluminium does not have high tensile strength but if added with alloying elements like silicon, manganese, magnesium, and copper can increase the strength thereby producing an alloy with different properties that are crafted for specific applications.
Its tensile strength increases with low temperature while saving its toughness.
- Corrosion Resistance.
When aluminium is exposed to air, a layer of Aluminium oxide forms instantaneously on the surface of the Aluminium. This layer formed has amazing corrosion resistance. It is less resistant to alkalis and most acids.
- Reflectiveness.
Aluminium is a great reflector of radiant energy, especially from UV to infrared. Its reflectivity makes it ideal as an insulating material that protects sun rays, especially in summer, and heat loss in winter. It is mostly used in light fixtures.
- Density.
Its density is approximately one-third of copper or steel making it the lightest metal that is commercially available.
- Thermal Conductivity.
Its effect is three times higher than steel. This makes Aluminium a vital material for heating and cooling applications e.g. heat exchangers. Also, it is non-toxic which is why it is used in kitchenware and cooking utensils.
Mechanical Properties Of Aluminium
1) Cold working, alloying, and heat treating can be utilized to work with all the properties of Aluminium.
2) Aluminium can be deformed without failure. It is formed by extruding, machining, rolling, drawing, and other processes.
Benefits Of Aluminium
- Impermeable And Odourless. Aluminium foil has a thickness of 0.007mm which is impermeable and odourless. It is often used for packaging sensitive food and pharmaceutical products.
- Recyclability.
It is 100% recyclable contrary to what people think. During its recycling stages, all its original properties are retained. It is also cost-effective to use during production, especially when priming the metal out of the ground.
- Light Weight.
Aluminium is lightweight and is cheaper and easier to transport than other metals.
It can also be used for projects like artwork, kitchen fitting, vehicle cladding, and other applications.
On A Final Note;
Aluminium is one of the most renewable and eco-friendly materials out there when you want to replace it. They are stable and lightweight, and also a major building material that can be used for interior architectural projects.
