Hafnium Pellets

Hafnium Pellets are compacted metallic forms of hafnium designed for applications requiring consistent composition, geometry, and performance under demanding environments. Characterized by their high melting point, remarkable corrosion resistance, and ability to absorb impurities, they are essential in industries such as aerospace, energy, and high-performance manufacturing. The pelletized shape provides uniform feed for processes like vacuum deposition, alloying, and advanced metallurgy. Specific technologies benefiting from hafnium pellets include preparation of low-oxygen, high-purity hafnium metal powders used for thin-film deposition and microelectronics, vacuum distillation routes that yield high-purity hafnium for specialized alloys, and compacted hafnium-based systems applied in powder metallurgy for ultra-high temperature components. In research, hafnium pellets enable precise studies into hafnium’s reactivity, structural role in alloys, and processing–property relationships in advanced oxides and hydrides. By combining purity, reproducibility, and stability, Hafnium Pellets deliver substantial value in both scientific exploration and industrial innovation, advancing next-generation materials for extreme operating conditions.

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Tolerance

Properties

Reference & Citations

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Tolerances

Pellets

Maximum Lump Size		Nominal

Material Properties for Metals

Atomic Properties

Element	Value
Atomic number	72
Crystal structure	Hexagonal close packed
Electronic structure	Xe 4f¹⁴ 5d² 6s²
Valences shown	4
Atomic weight( amu )	178.49
Thermal neutron absorption cross-section( Barns )	103
Photo-electric work function( eV )	3.9
Natural isotope distribution( Mass No./% )	179/ 13.8
Natural isotope distribution( Mass No./% )	176/ 5.2
Natural isotope distribution( Mass No./% )	180/ 35.2
Natural isotope distribution( Mass No./% )	174/ 0.2
Natural isotope distribution( Mass No./% )	177/ 18.5
Natural isotope distribution( Mass No./% )	178/ 27.1
Atomic radius - Goldschmidt( nm )	0.159
Ionisation potential( No./eV )	3/ 23.3
Ionisation potential( No./eV )	1/ 7.0
Ionisation potential( No./eV )	2/ 14.9
Ionisation potential( No./eV )	4/ 33.3

Mechanical Properties

Element	Value
Material condition	Hard
Material condition	Soft
Poisson's ratio	0.26
Poisson's ratio	0.26
Bulk modulus( GPa )	109
Bulk modulus( GPa )	109
Tensile modulus( GPa )	141
Tensile modulus( GPa )	141
Hardness - Vickers( kgf mm⁻² )	150-180
Tensile strength( MPa )	445
Tensile strength( MPa )	745
Yield strength( MPa )	365
Yield strength( MPa )	240

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	32.2@20@20°C
Superconductivity critical temperature( K )	0.128
Temperature coefficient( K⁻¹ )	0.0044@0-100°C

Physical Properties

Element	Value
Boiling point( C )	4602
Density( gcm⁻³ )	13.1@20°C

Thermal Properties

Element	Value
Melting point( C )	2227
Latent heat of evaporation( J g⁻¹ )	3700
Latent heat of fusion( J g⁻¹ )	122
Specific heat( J K⁻¹ kg⁻¹ )	146@25°C
Thermal conductivity( W m⁻¹ K⁻¹ )	23@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	6@0-100°C