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Grade: Hafnium > 0.2%
Formula: Zr
Form: Disk
Material: Zirconium
CAS Number: 7440-67-7
Commodity: Metals
Purity:
99.2%
Temper:
Annealed
Thickness:
1mm
Our range of Hafnium > 0.2% Zirconium disks offer 25 variations, with a choice of sizes and purities to meet the needs of different applications. Hafnium is a refractory metal known for its high melting point, strength at high temperatures and resistance to corrosion. The addition of a small amount of zirconium further improves the material's mechanical properties. These characteristics make Hafnium > 0.2% Zirconium disks suitable for uses such as turbine blades, rocket nozzles, and other high-temperature applications where strength and corrosion resistance are required.
Tolerances
Disk
| Thickness | >0.05mm | ±10% |
|---|---|---|
| Thickness | <0.01mm | ±25% |
| Thickness | 0.01mm - 0.05mm | ±15% |
Material Properties for Metals
Atomic Properties
| Element | Value |
|---|---|
| Atomic number | 40 |
| Crystal structure | Hexagonal close packed |
| Electronic structure | Kr 4d² 5s² |
| Valences shown | 2,3,4 |
| Atomic weight( amu ) | 91.22 |
| Thermal neutron absorption cross-section( Barns ) | 0.182 |
| Photo-electric work function( eV ) | 3.8 |
| Natural isotope distribution( Mass No./% ) | 96/ 2.8 |
| Natural isotope distribution( Mass No./% ) | 92/ 17.1 |
| Natural isotope distribution( Mass No./% ) | 91/ 11.2 |
| Natural isotope distribution( Mass No./% ) | 94/ 17.5 |
| Natural isotope distribution( Mass No./% ) | 90/ 51.4 |
| Atomic radius - Goldschmidt( nm ) | 0.16 |
| Ionisation potential( No./eV ) | 4/ 34.34 |
| Ionisation potential( No./eV ) | Jun-99 |
| Ionisation potential( No./eV ) | 2/ 13.13 |
| Ionisation potential( No./eV ) | 1/ 6.84 |
| Ionisation potential( No./eV ) | 5/ 81.5 |
| Ionisation potential( No./eV ) | 3/ 22.99 |
Mechanical Properties
| Element | Value |
|---|---|
| Material condition | Polycrystalline |
| Material condition | Soft |
| Poisson's ratio | 0.38 |
| Poisson's ratio | 0.38 |
| Bulk modulus( GPa ) | 89.8 |
| Bulk modulus( GPa ) | 89.8 |
| Tensile modulus( GPa ) | 98 |
| Tensile modulus( GPa ) | 98 |
| Hardness - Vickers( kgf mm⁻² ) | 85-100 |
| Tensile strength( MPa ) | 350-390 |
| Yield strength( MPa ) | 250-310 |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 44@20@20°C |
| Superconductivity critical temperature( K ) | 0.61 |
| Temperature coefficient( K⁻¹ ) | 0.0044@0-100°C |
| Thermal emf against Pt (cold 0C - hot 100C)( mV ) | 1.17 |
Physical Properties
| Element | Value |
|---|---|
| Boiling point( C ) | 4377 |
| Density( gcm⁻³ ) | 6.49@20°C |
Thermal Properties
| Element | Value |
|---|---|
| Melting point( C ) | 1852 |
| Latent heat of evaporation( J g⁻¹ ) | 6360 |
| Latent heat of fusion( J g⁻¹ ) | 211 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 281@25°C |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 22.7@0-100°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 5.9@0-100°C |
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