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 separation crystallization containing flaoro salts. They then reduced the hafnium with metallic sodium to make pure hafnium. Herviz made a tiny sample of pure hafnium.
Uses of hafnium-metal
Hafnium, which emits electrons quickly, is very useful. For high voltage discharge tubes, electrodes are made from alloys of hafnium or tungsten. These electrodes are used extensively in the manufacturing of tungsten as well as Xray cathodes. A key material for the nuclear energy industry is pure hafnium. This metal has 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 an reactor and control rods. 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-re-entry vehicle slingshots, or can be used to produce tool steel or resistance materials. Hafnium may be added to heat resistant alloys like tantalum and molybdenum.
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