Terbium Powder

Formula: Tb

Form: Powder

Material: Terbium

CAS Number: 7440-27-9

Commodity: Metals

Purity: 99.9%

Max Particle Size: 500μm

Weight: 1g

Hazard Pictogram: GHS02

Terbium Powder is a highly pure erbium metal powder produced by Goodfellow. Erbium is a silvery-white rare earth metal that’s soft, malleable and ductile. This powder can be used in various metallurgical applications and research due to its high purity. Terbium Powder is also ideal for investigating erbium's unique magnetic, electrical and optical properties for its potential uses in phosphors, fiber optics, lasers and more.

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Technical Data Sheet Safety Data Sheet Tolerance Properties

Flammable

each

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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Terbium Powder

Tolerances

Material Properties for Metals