Diameter[直径] | 26 mm |
Purity[纯度] | 99.6% |
Temper[状态] | Annealed |
Thickness[厚度] | 4mm |
Typical Analysis(典型分析) |
Al | 500 PPM |
Co | 2 PPM |
Cr | 500 PPM |
Cu | 200 PPM |
Fe | 300 PPM |
Mg | 20 PPM |
Mn | 500 PPM |
Ni | 500 PPM |
Si | 200 PPM |
Sn | 200 PPM |
Ta | 10 PPM |
V | 500 PPM |
Atomic Properties(原子属性) |
Atomic number | 22 |
Atomic weight ( amu ) | 47.88000 |
Crystal structure | Hexagonal Close Packed |
Electronic structure | Ar3d²4s² |
Ionisation potential ( No./eV ) | 3 / 27.5 |
Ionisation potential ( No./eV ) | 4 / 43.3 |
Ionisation potential ( No./eV ) | 5 / 99.2 |
Ionisation potential ( No./eV ) | 1 / 6.82 |
Ionisation potential ( No./eV ) | 2 / 13.6 |
Ionisation potential ( No./eV ) | 6 / 119 |
Natural isotope distribution ( Mass No./% ) | 50 / 5.3 |
Natural isotope distribution ( Mass No./% ) | 49 / 5.5 |
Natural isotope distribution ( Mass No./% ) | 46 / 8.0 |
Natural isotope distribution ( Mass No./% ) | 48 / 73.7 |
Natural isotope distribution ( Mass No./% ) | 47 / 7.5 |
Photo-electric work function ( eV ) | 4.10 |
Thermal neutron absorption cross-section ( Barns ) | 6.1000 |
Valences shown | 2 ,3,4 |
Thermal Properties(热性能) |
Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 8.900 @0-100℃ |
Latent heat of evaporation ( J g⁻¹ ) | 8893 |
Latent heat of fusion ( J g⁻¹ ) | 365.00 |
Melting point ( C ) | 1660.00 |
Specific heat ( J K⁻¹ kg⁻¹ ) | 523.0 @25℃ |
Thermal conductivity ( W m⁻¹ K⁻¹ ) | 21.90 @0-100℃ |
Mechanical Properties(机械性能) |
Bulk modulus ( GPa ) ( Polycrystalline ) | 108.4 |
Hardness - Vickers ( kgf mm⁻² ) ( Annealed ) | 60 |
Izod toughness ( J m⁻¹ ) ( Annealed ) | 61 |
Material condition | Polycrystalline |
Material condition | Annealed |
Poisson's ratio ( Polycrystalline ) | 0.361 |
Tensile modulus ( GPa ) ( Polycrystalline ) | 120.20 |
Tensile strength ( MPa ) ( Annealed ) | 230.00 - 460.00 |
Yield strength ( MPa ) ( Annealed ) | 140.0 - 250.0 |
Physical Properties(物理性质) |
Boiling point ( C ) | 3287 |
Density ( g cm⁻³ ) | 4.500 @20℃ |
Electrical Properties(电气特性) |
Electrical resistivity ( μOhmcm ) | 54@20℃ |
Superconductivity critical temperature ( K ) | 0.4000 |
Temperature coefficient ( K⁻¹ ) | 0.00380 @0-100℃ |