In his time, Dmitry Mendeleev said that "aluminum
metal with its light weight, high strength and low changeability in air is very
suitable for production of some specific items". Aluminum is one of the most
common and cheap metals. One can not imagine the present-day reality without
aluminum, that’s why aluminum is called “the metal of the 20th century”. It is
known for its high processibility as it can be easily subjected to forging, die
forging, rolling, drawing and extrusion.
Pure aluminum is quite a soft metal, it is used for
manufacture of electric wire, structural components, foil for food substances,
utensils and "silver" paint. This good-looking and light metal is widely used in
construction and aircraft building. It is also known that aluminium reflects the
light very well, thus it is used for fabrication of mirrors by metal spraying in
vacuum.
In aircraft building, mechanical engineering and
construction industries aluminum alloys of higher strength are used. One of the
most popular ones is aluminum – copper – magnesium alloy (duralumin or just
dural, named after the German city Duren). In the quenched condition this alloy
is characterized by especially high strength which is about 7 times higher than
that of pure aluminum. |