Dysprosium metal | Dy ingots | CAS 7429-91-6 | Rare earth material

Short Description:

Dysprosium is used in controlling rods in reactors of the nuclear power plants as they have the capability to absorb neutrons.

We can supply high purity 99.9%.

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Product Detail

Product Tags

Product Description

Brief introduction
Product name: Dysprosium
Formula: Dy
CAS No.: 7429-91-6
Molecular Weight: 162.5
Density: 8.550 gm/cm3
Melting point: 1412°C
Shape: Silvery lump pieces, ingots, rod, foil, wire, etc.
Package: 50kg/drum or as you required

Specification

Product Code	6663D	6663	6665	6667
Grade	99.99%	99.99%	99.9%	99%
CHEMICAL COMPOSITION
Dy/TREM (% min.)	99.99	99.99	99.9	99
TREM (% min.)	99.9	99.5	99	99
Rare Earth Impurities	ppm max.	ppm max.	% max.	% max.
Gd/TREM Tb/TREM Ho/TREM Er/TREM Tm/TREM Yb/TREM Lu/TREM Y/TREM	20 30 30 10 10 10 10 10	20 30 30 10 10 10 10 10	0.05 0.05 0.05 0.05 0.03 0.03 0.03 0.03	0.1 0.1 0.1 0.1 0.05 0.05 0.05 0.1
Non-Rare Earth Impurities	ppm max.	ppm max.	% max.	% max.
Fe Si Ca Al Mg W O C Cl	300 50 100 100 50 500 500 100 50	1000 100 500 100 100 500 1500 150 100	0.12 0.01 0.1 0.03 0.01 0.1 0.2 0.03 0.01	0.15 0.01 0.1 0.05 0.05 0.1 0.3 0.03 0.02

Application

1. High-Performance Magnets:
- Enhancing Magnetic Strength and Heat Resistance: Dysprosium is commonly used as an additive in the production of high-performance permanent magnets, particularly Neodymium-Iron-Boron (NdFeB) magnets. By incorporating Dysprosium, these magnets gain enhanced resistance to demagnetization at high temperatures, making them suitable for use in applications that demand both strong magnetic fields and thermal stability. These magnets are widely used in electric vehicles, wind turbines, and advanced electronics, where consistent performance under extreme conditions is critical.

2. Nuclear Reactor Control Rods:
- Neutron Absorption: Dysprosium has a high neutron absorption cross-section, making it an ideal material for control rods in nuclear reactors. These control rods are crucial for regulating the fission process by absorbing excess neutrons, thus controlling the rate of the nuclear reaction. Dysprosium’s ability to absorb neutrons effectively helps maintain the stability and safety of nuclear reactors, particularly in power generation and research reactors.

3. Thermal Neutron Shielding:
- Radiation Protection: In addition to its use in control rods, Dysprosium is also employed in thermal neutron shielding materials. These materials are used to protect personnel and sensitive equipment from neutron radiation in nuclear facilities and medical environments. Dysprosium’s high neutron absorption capability makes it an excellent choice for shielding applications, ensuring safety in environments where radiation exposure is a concern.

4. Magnetostrictive Materials:
- Advanced Actuators and Sensors: Dysprosium is used in the development of magnetostrictive materials, such as Terfenol-D, which exhibit significant changes in shape or dimension when exposed to a magnetic field. These materials are used in advanced actuators, sensors, and sonar systems, where precise control and responsiveness are required. The addition of Dysprosium enhances the material’s performance, making it more effective in applications that demand high sensitivity and reliability.