What are the uses of metal aluminum?

Aeronautical materials, thermite reaction, aluminum POTS, etc.

Aluminum can be substituted from other oxides by thermite. Its alloys are light and tough, and are used as structural materials for aircraft, rockets and automobiles. Pure aluminum is used in large quantities in cables. It is widely used to make household utensils.

The density of aluminum is very small, only 2.7g /cm, although it is soft, but can be made into a variety of aluminum alloy, such as duralumin, super duralumin, rust resistant aluminum, cast aluminum and so on. These aluminum alloys are widely used in aircraft, automobiles, trains, ships and other manufacturing industries. In addition, space rockets, space shuttle, artificial satellites also use a lot of aluminum and aluminum alloys.

Aluminum's electrical conductivity is second only to silver and copper. Although its conductivity is only 2/3 of copper's, its density is only 1/3 of copper's. Therefore, the quality of aluminum wire is only half that of copper wire when it delivers the same amount of electricity.

The oxide film on the surface of aluminum not only has the ability of corrosion resistance, but also has a certain degree of insulation, so aluminum in the electrical manufacturing industry, wire and cable industry and radio industry has a wide range of uses.

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