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Discovery and Application of Hafnium Elements with High Melting Points

Hafnium Metal is First Extracted

D. Koster and Hervez, a Swedish chemist and physicist from the Netherlands, found hafnium among zircons in Greenland and Norway. The element was named Hafnium by the Latin name of Copenhagen. Hervis and Koster, in 1925, separated titanium and zirconium using the method of crystallization containing fluorosalts. They then reduced the hafnium with metallic sodium to make pure hafnium. Herviz made a tiny sample of pure hafnium.

Hafnium is a metal that can be used in many applications

Hafnium has many uses. It emits electrons quickly, making it a good filament for incandescent lamps. For high-voltage discharge tubes electrodes, the most common materials are alloys made of hafnium or tungsten. Commonly used in the X-ray cathode or tungsten manufacturing sectors. A key material for the nuclear energy industry is pure hafnium. This metal has great plasticity and high resistance to corrosion. A neutron absorber that can capture neutrons from hafnium is the ideal choice. It can be used to protect the reactor and as control rod. Rocket boosters can be powered by Hafnium Powder ACTS. In the electrical sector, it is possible to make anodes from Xray tubes. Hafnium alloys can serve as front guards to rocket nozzles, glider-reentry vehicles and can also be used in the manufacture of tool steels and resistance materials. Hafnium may be added to heat resistant alloys like tantalum and molybdenum.

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