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PERIODIC TABLE
Dysprosium
Atomic No. 66
Dy
Dysprosium
About Dysprosium
Dysprosium is a lanthanide with atomic number 66 whose compounds predominantly contain dysprosium in the +3 oxidation state. Dysprosium additions help selected neodymium based permanent magnets resist demagnetization, particularly at elevated operating temperatures. Dysprosium fluoride can serve as a source of dysprosium during grain boundary diffusion treatments that improve magnet coercivity while concentrating the addition near grain surfaces.
Properties
- Atomic Number
- 66
- Atomic Symbol
- Dy
- Atomic Mass
- 162.5
- CAS No.
- 7429-91-6
- Density
- 8.551 g/cm³
- Series
- lanthanoid
- Melting Point
- 1,412°C
- Boiling Point
- 2,567°C
- Thermal Conductivity
- 0.11 W/cm °C
- Heat of Fusion
- 11.1 kJ/mol
- Heat of Vaporization
- 280 kJ/mol
- Electronegativity
- 1.22 pauling
- Crystal Structure
- Hexagonal
- Electrical Conductivity
- 1.1×106 S/m
Dysprosium Products
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