Purity[纯度] | 99.9% |
Temper[状态] | Annealed |
Thickness[厚度] | 2mm |
Typical Analysis(典型分析) |
Al | <20 PPM |
C | 40 PPM |
Ca | <20 PPM |
Cr | <50 PPM |
Cu | <20 PPM |
Fe | 50 PPM |
H | 5 PPM |
K | <2 PPM |
Mg | <20 PPM |
N | 10 PPM |
O | 30 PPM |
Pb | <30 PPM |
Si | <50 PPM |
Ti | <30 PPM |
W | 10 PPM |
Mechanical Properties(机械性能) |
Bulk modulus ( GPa ) ( Hard ) | 261.2 |
Bulk modulus ( GPa ) ( Soft ) | 261.2 |
Hardness - Vickers ( kgf mm⁻² ) ( Hard ) | 250 |
Hardness - Vickers ( kgf mm⁻² ) ( Soft ) | 200 |
Material condition | Hard |
Material condition | Soft |
Poisson's ratio ( Hard ) | 0.293 |
Poisson's ratio ( Soft ) | 0.293 |
Tensile modulus ( GPa ) ( Hard ) | 324.80 |
Tensile modulus ( GPa ) ( Soft ) | 324.80 |
Tensile strength ( MPa ) ( Hard ) | 620.00 - 690.00 |
Tensile strength ( MPa ) ( Soft ) | 485.00 - 550.00 |
Yield strength ( MPa ) ( Hard ) | 550.0 |
Yield strength ( MPa ) ( Soft ) | 415.0 - 450.0 |
Thermal Properties(热性能) |
Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 5.100 @0-100℃ |
Latent heat of evaporation ( J g⁻¹ ) | 6153 |
Latent heat of fusion ( J g⁻¹ ) | 290.00 |
Melting point ( C ) | 2617.00 |
Specific heat ( J K⁻¹ kg⁻¹ ) | 251.0 @25℃ |
Thermal conductivity ( W m⁻¹ K⁻¹ ) | 138.00 @0-100℃ |
Atomic Properties(原子属性) |
Atomic number | 42 |
Atomic weight ( amu ) | 95.94000 |
Crystal structure | Body Centred Cubic |
Electronic structure | Kr4d⁵5s¹ |
Ionisation potential ( No./eV ) | 2 / 16.15 |
Ionisation potential ( No./eV ) | 5 / 61.2 |
Ionisation potential ( No./eV ) | 6 / 68 |
Ionisation potential ( No./eV ) | 1 / 7.10 |
Ionisation potential ( No./eV ) | 3 / 27.2 |
Ionisation potential ( No./eV ) | 4 / 46.4 |
Natural isotope distribution ( Mass No./% ) | 95 / 15.9 |
Natural isotope distribution ( Mass No./% ) | 96 / 16.7 |
Natural isotope distribution ( Mass No./% ) | 98 / 24.1 |
Natural isotope distribution ( Mass No./% ) | 97 / 9.6 |
Natural isotope distribution ( Mass No./% ) | 92 / 14.8 |
Natural isotope distribution ( Mass No./% ) | 94 / 9.3 |
Natural isotope distribution ( Mass No./% ) | 100 / 9.6 |
Photo-electric work function ( eV ) | 4.20 |
Thermal neutron absorption cross-section ( Barns ) | 2.6500 |
Valences shown | 2 , 3, 4, 5, 6 |
Electrical Properties(电气特性) |
Electrical resistivity ( μOhmcm ) | 5.7@20℃ |
Superconductivity critical temperature ( K ) | 0.9150 |
Temperature coefficient ( K⁻¹ ) | 0.00435 @0-100℃ |
Thermal emf against Pt (cold 0C - hot 100C) ( mV ) | 1.45 |
Physical Properties(物理性质) |
Boiling point ( C ) | 4612 |
Density ( g cm⁻³ ) | 10.220 @20℃ |