Dysprosium Dy 99.9% Element 66 nugget bars 1gr-10kg
Dysprosium – a reactive rare-earth metal that forms an oxide layer when exposed to air, the highest magnetic strength at low temperatures (alongside holmium). Used in nuclear reactors (control rods), laser materials, information media, and capacitors. Available from Auremo.
Weight tolerance can be up to +/-2%
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Dysprosium is a chemical element of the yttrium subgroup, a rare-earth metal. It has a silvery color characterized by a matte sheen. Dysprosium slowly oxidizes in air, does not dissolve in water. Its properties differ only slightly from those of other lanthanides. Dysprosium is contained in small quantities in phosphors, magnetic alloys, and special glasses.
Dysprosium is a base metal and is very reactive. In air, this metal forms an oxide layer; in water and in dilute acids it dissolves with the evolution of hydrogen. Dysprosium and holmium have the highest magnetic strengths of all elements at low temperatures.
Together with vanadium, dysprosium is used to produce laser materials. Due to the high neutron thermal absorption cross-section, nickel oxide dysprosium cermet is used in nuclear reactions as control rods. Dysprosium combined with cadmium is used as a source of infrared radiation, which is used to study various chemical reactions. Since dysprosium is very susceptible to magnetization, it is used for various information media, especially CDs.
Properties of dysprosium:
- reactive metal
- in air, it forms an oxide layer
Main application of dysprosium:
- control rods in nuclear reactors
- shielding material in nuclear technology
- materials testing technology
- capacitors
In our online shop Auremo, you will find many rare metals at a low price. Many years of experience allow us to deliver the goods to you as quickly as possible.
Mechanical properties (room temperature):
| Young's modulus GPa | Bulk modulus GPa | Shear modulus GPa |
| 61 | 41 | 25 |
Physical properties (room temperature):
| Density g/cm3 | Melting point °C | Boiling point °C | Thermal conductivity W/mK | Electrical conductivity MS/m |
| 8.5 | 1407 | 2567 | 11 | 1.08 |


















