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Formula: Tb
Form: Powder
Material: Terbium
CAS Number: 7440-27-9
Commodity: Metals
Purity:
99.9%
Max Particle Size:
500μm
Weight:
1g
Terbium Powder exhibits strong paramagnetic properties, excellent magneto-optical performance, and the ability to form stable alloys with other rare earths. In finely divided form, it offers a high surface area that enhances reactivity, making it suitable for incorporation into magnetostrictive materials, specialized phosphors, and high-performance alloys. Industries use terbium powder in the production of Terfenol-D actuators for precision sonar systems, in green phosphors for high-efficiency displays, and in control rods for certain reactor technologies. In research, terbium powder supports studies into advanced magneto-optical devices, energy-efficient lighting materials, and new rare-earth composite systems. Its combination of magnetic versatility, optical efficiency, and alloying capability ensures it remains a valuable resource in cutting-edge industrial and scientific applications.
Tolerances
Powder
| Mean Particle Size | Nominal | |
|---|---|---|
| Minimum Particle Size | Nominal | |
| Maximum Particle Size | Nominal | |
| Maximum Particle Size | Nominal | |
| Particle Size D10 | Nominal | |
| Particle Size D50 | Nominal | |
| Particle Size D90 | Nominal |
Material Properties for Metals
Atomic Properties
| Element | Value |
|---|---|
| Atomic number | 65 |
| Crystal structure | Hexagonal close packed |
| Electronic structure | Xe 4f⁹ 6s² |
| Valences shown | 3,4 |
| Atomic weight( amu ) | 158.9254 |
| Thermal neutron absorption cross-section( Barns ) | 30 |
| Photo-electric work function( eV ) | 3 |
| Atomic radius - Goldschmidt( nm ) | 0.177 |
| Ionisation potential( No./eV ) | 2/ 11.52 |
| Ionisation potential( No./eV ) | 1/ 5.85 |
Mechanical Properties
| Element | Value |
|---|---|
| Material condition | Polycrystalline |
| Poisson's ratio | 0.265 |
| Bulk modulus( GPa ) | 40.8 |
| Tensile modulus( GPa ) | 57.5 |
| Hardness - Vickers( kgf mm⁻² ) | 60 |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 116@20@20°C |
Physical Properties
| Element | Value |
|---|---|
| Boiling point( C ) | 3123 |
| Density( gcm⁻³ ) | 8.272@20°C |
Thermal Properties
| Element | Value |
|---|---|
| Melting point( C ) | 1356 |
| Latent heat of evaporation( J g⁻¹ ) | 1840 |
| Latent heat of fusion( J g⁻¹ ) | 103 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 183@25°C |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 11.1@0-100°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 7@0-100°C |
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