The elements of the Strategic Metals

Chrome

Chromium is used as a constituent in alloys, in order to give them unique properties. The best known application is the chromium plating. This will be harder and more wear-resistant surfaces.
Special features:
Reflective Gloss
Density 7,14 g / cm ³
Melting point at 1857 ° C

Gallium

Gallium is, If economically feasible, used as a substitute for the toxic mercury. Gallium plays in the high-tech industries play an important role. Thus, it is in light emitting diodes, Transistors, Solar cells, computers, TVs and optical devices used.
Special features:
Dissolving aluminum
Density 5,9 g / cm ³ (Density anomaly: in the liquid state higher density than in the solid)
Melting point at 30 ° C

Hafnium

Hafnium is used as an ingredient in alloys, in order to give them unique properties. Moreover, it is used in control rods of nuclear technology to control chain reactions. Also in laser technology and the semiconductor industry is hafnium used.
Special features:
Very resistant to corrosion- and acid-resistant
Density 13,31 g / cm ³
Melting point at 2233 ° C

Indium

Indium is used as an ingredient in alloys, in order to give them unique properties. Indium is used in nuclear reactors, the semiconductor industry, Nanotechnology, devices in the consumer electronics (TV, Mobile, Smartphone, Touchscreens) and the solar industry. Indium is, If economically feasible, used as a substitute for the toxic lead.
Special features:
Crackling sound when bent
Density 7,31 g / cm ³
Melting point at 157 ° C

Molybdenum

Molybdenum is used as an ingredient in alloys, in order to give them unique properties. Moreover, it is in electrical resistors, Incandescent filaments and electrodes used.
Special features:
Solemnity, tough and hard
Density 10,28 g / cm ³
Melting point at 2623 ° C

Niobium

Niobium is used as an ingredient in alloys, in order to give them unique properties. Is mainly niobium in steels and high strength steels and superalloys for turbine engines and used.
Special features:
From 250 ° C niobium reacts with O, N, H and C
Density 8,57 g / cm ³
Melting point at 2477 ° C

Tantalum

Tantalum is used as an ingredient in alloys, in order to give them unique properties. Tantalum is used mainly in medical and in superalloys for turbine engines and.
Special features:
From 250 °C reagiert Tantal mit O, N, H and C
Density 16,65 g / cm ³
Melting point at 3017 ° C

Titan

Titanium is used as an ingredient in alloys, in order to give them unique properties. Titanium is mainly in aircraft, space, the U-boats, the plant, in medical technology and used in the jewelry industry.
Special features:
Very easy, still strong and corrosion resistant
Density 4,50 g / cm ³
Melting point at 1668 ° C

Vanadium

Vanadium is used as an ingredient in alloys, in order to give them unique properties. Vanadium is mainly in the tool industry and in nuclear technology used.
Special features:
Vanadium powder may ignite spontaneously
Density 6,11 g / cm ³
Melting point at 1910 ° C

Tungsten

Tungsten is used as a constituent in alloys, in order to give them unique properties. Is mainly tungsten in the manufacture of incandescent filaments and electrodes, the arms industry and used as a radiation shield.
Special features:
After carbon, high melting point
Weight similar to gold
Density 19,25 g / cm ³
Melting point at 3422 ° C

Zirconium

Zirconium is used as an ingredient in alloys, in order to give them unique properties. Zirconium is primarily in the nuclear industry and the chemical industry uses.
Special features:
Zirconium powder can ignite spontaneously and is not erasable with water
Density 6,51 g / cm ³
Melting point at 1857 ° C

The exhibited pictures were provided courtesy of Seltenerdmetallen24.de available.

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