English: Oxide Dysprosium
Molecular formula: Dy2O3
Molecular weight: 373.02
Packing: 10, 25, 50 kg / bag, two layer plastic bags, woven, drums, drum or plastic drum.
White or light yellow powder, density 7.81g/cm3, melting point of 2340 degrees Celsius, the boiling point is about 4000 degrees Celsius, for ionic compounds, soluble with acid and ethanol, but not soluble in alkali, also not soluble in water.
Improve the coercivity can be used as neodymium iron boron permanent magnet additives, in the magnet added about 2-3% of dysprosium, past dy the demand for small, but with the increase of neodymium iron boron magnet demand, it becomes necessary to add elements, the grade should be in 95 to 99.9%; Used as phosphor activators and trivalent dysprosium is a promising single luminescence center three color luminescent material activated ion, which is mainly composed of a two emission band composed, a yellow light emission, another blue emission, dysprosium doped luminescent materials can as tricolor fluorescent powder. For preparation of giant magnetostrictive alloy TB dy Fe alloy (Terfenol) necessary metal raw material, can make some mechanical motion precision activities to be implemented; Used in the atomic energy industry in the determination of the neutron energy spectrum and neutron absorber; It also can be used magnetic cold with magnetic material.