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frederick william generally believed in pure aluminum but the metal was discovered two years ago by hans christian huygens , a danish chemist and physicist . In ancient Rome and Greece, the metal was used as a dye stabilizer in dyeing and as a blood thinner for wounds and is still used as a blood - releasing medicine .In 1761, Vuitton Demorovo proposed that alum be called alumin.
aluminum is an abundant element in the earth 's crust but this element is extremely rare in its free mode and once more precious and valuable than gold. Therefore, it has recently been considered as an industrial metal . at first , this metal was discovered It was very difficult to separate from the stones And because all of the earth's aluminum was in combination, it was the most difficult metal to produce. Aluminum was more valuable than gold for some time But after inventing an easy way to extract it in 1889, its price dropped and fell. recycling of this metal from scrap ( through recycling ) has become an important part of the aluminium industry . recycling aluminum is nothing new but from the nineteenth century there was a common way to do that. However , until the late 1960 s it was a little bit of interest Until the recycling of aluminum beverage cans finally focused on the recycling of the metal. aluminum recovery sources include cars , windows , doors , home appliances , containers and other products .
Aluminum is a chemical element that has the symbol Al and the atomic number 13 in the periodic table. Aluminium , which is a silver and flexible element mainly found as bauxite ore And in terms of its resistance to oxidation, as well as its weight and strength, it is remarkable. Aluminium is used in the industry to produce millions of different products And in the world of economics, it is a very important element. the components of the structures made up of aluminum are important in the aviation industry and other transport stages . The presence of this element is also very important in structures where weight, stability and strength are required.
aluminium is a soft , light metal , but strong . With a silvery-gray appearance and a thin layer of oxidation formed by contact with air on its surface preventing further corrosion. Aluminum weighs about one-third as much as steel or copper . malleable , flexible , and easy to bend. It is also highly durable and resistant to rusting . In addition, this non-magnetic, non-sparking element is the second malleable metal and the sixth flexible metal.
in terms of quality and value , aluminum is the most effective metal after iron and almost all sectors of the industry . The aluminum is soft , soft and weak ,But it can form alloys with small amounts of copper, magnesium, manganese, silicon and other elements which have a diversity of useful qualities . These alloys make important components of aircraft and rockets . When aluminum is evaporated in a vacuum, it forms a coating that reflects both visible light and radiant heat.These coatings form a thin layer of protective aluminum oxide Which, like silver coatings, do not lose their properties. another example of using this metal is astronomical telescopes .
1.Transportation ( cars , planes , trucks , ships , railways , etc.).
2.packaging (Cans, foil).
3.Construction (Doors, windows, wall coverings, etc.).
4.Consumer durable goods ( household electric appliances , kitchen utensils).
5.electric transmission lines (Due to its light weight, although its electrical conductivity is only 60% of the electrical conductivity of copper).
6.Aluminum oxide machines (alumina) are found naturally in the form of corundum, sandpaper, ruby and sapphire Which is used in the glass industry. Lasers and artificial sapphires are used in lasers to produce uniform light.
7.aluminium is oxidized to a lot of energy As a result, it is used in fueling rocket propellants and thermostats.
During World Wars I and II, aluminum was produced in significant quantities and used as a lightweight and suitable material in the construction of warplanes. the aluminium industry achieved remarkable progress at the time . After World War II, countries such as Canada and the United States, which now own large aluminum industries and have a large scope of this industry, realized the importance of using aluminum in other industries, including construction. aluminium has achieved remarkable progress in construction industries over the last 50 years because of its special properties . If its consumption has had an upward trend from 1960 to 1998.
Today, about 35% of the aluminum produced in the world is used in the construction industry.aluminium is used in different forms in the building . Extruded, rolled and cast aluminum for door and window frames, ceilings, false floors, facades, fittings, wall hangings, heating and ventilation systems, curtains and awnings, awnings, partitions & panels, prefabricated buildings, greenhouses and It becomes.
The most important reason that aluminum with this size and size in construction industries are as follows : lightweight and lightweight aluminum equipment is a very important factor in building engineering applications . It is a metal aluminum with a weight of about one - third of the weight of steel . This light weight as well as its high ductility make aluminum a suitable metal for door and window construction. aluminium items in the building have a high life span And do not require maintenance. The aluminum causes the potential risks caused by the earthquake . Also, the static load on the building is reduced, and as a result, the required materials are reduced and less pressure is applied to the foundation of the building And the foundation foundation can be designed with less material .
The ratio of strength to the high weight of aluminum is the properties that are especially important in the construction industry . Aluminum has a density of about 7.2 grams per cubic centimeter That is about one-third the density of steel.
The strength of aluminum alloys can also be increased to the strength of steel by selecting the appropriate alloy and sometimes by applying special heat treatment thus , it is possible to obtain high strength and toughness And used in the construction of supports and forms of windows and doors.
Ahan Pouya with more than a decade of best-selling experience, adheres to professional and ethical principles in the field of selling and buying at inside and outside the borders of Iran, helping you in the steel industry.
