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Aluminium Usage

Transportation Aluminium has a high strength to weight ratio thus it is always be used in transportation Its lighter weight suggests that less force is required to move the vehicle leading to greater fuel efficiency By alloying aluminium with other metals will helps to increase its strength and its corrosion resistance is an added bonus eliminating the need for heavy and expensive anti corrosion coatings High speed rail systems like the Shinkansen in Japan and the Maglev in Shanghai also use aluminium The metal allows designers to reduce the weight of the trains cutting down on friction resistance Due to being light strong and flexible aluminium is ideal for aircraft and that is why it has been known as the winged metal Aluminium makes up 75 80 of a modern aircraft and it was actually first used in aviation before aeroplanes were invented In addition all modern spacecraft contain between 50 90 of aluminium alloys in their parts The key benefit of aluminium alloys used in spacecraft is their ability to withstand high and low temperature vibration loads and radiation Furthermore they have the property of cryogenic strengthening which means that as the temperature falls their strength and flexibility only increases The common combinations of aluminium with other metals such as aluminium and titanium aluminium and nickel as well as aluminium chromium and iron Richard Bach 2016 2 1 2 2 Construction The first building in which aluminium was widely used in construction was the Empire State Building the famous New York skyscraper built in 1913 Early in the middle of the twentieth century aluminium became more popular in the construction of high rise buildings and bridges Window frames panels domes roofs and other wide span constructions and ornaments were increasingly made with aluminium

2 pages | 567 words

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