Diameter[直径] | 50.8mm |
Purity[纯度] | 99.9% |
Thickness[厚度] | 2mm |
Typical Analysis(典型分析) |
B | <10 PPM |
C | 25 PPM |
Cu | <5 PPM |
Fe | 30 PPM |
H | <10 PPM |
Mo | 10 PPM |
N | 20 PPM |
Ni | <5 PPM |
O | 100 PPM |
Si | 100 PPM |
Ta | 500 PPM |
Ti | <10 PPM |
W | <100 PPM |
Zr | <10 PPM |
Mechanical Properties(机械性能) |
Bulk modulus ( GPa ) ( Hard ) | 170.3 |
Bulk modulus ( GPa ) ( Soft ) | 170.3 |
Hardness - Vickers ( kgf mm⁻² ) ( Hard ) | 160 |
Hardness - Vickers ( kgf mm⁻² ) ( Soft ) | 115 |
Izod toughness ( J m⁻¹ ) ( Soft ) | 10 - 120 |
Material condition | Hard |
Material condition | Soft |
Poisson's ratio ( Hard ) | 0.397 |
Poisson's ratio ( Soft ) | 0.397 |
Tensile modulus ( GPa ) ( Hard ) | 104.90 |
Tensile modulus ( GPa ) ( Soft ) | 104.90 |
Tensile strength ( MPa ) ( Hard ) | 585.00 |
Tensile strength ( MPa ) ( Soft ) | 330.00 |
Yield strength ( MPa ) ( Hard ) | 550.0 |
Yield strength ( MPa ) ( Soft ) | 240.0 |
Atomic Properties(原子属性) |
Atomic number | 41 |
Atomic weight ( amu ) | 92.90640 |
Crystal structure | Body Centred Cubic |
Electronic structure | Kr4d⁴5s¹ |
Ionisation potential ( No./eV ) | 3 / 25.0 |
Ionisation potential ( No./eV ) | 2 / 14.3 |
Ionisation potential ( No./eV ) | 6 / 103 |
Ionisation potential ( No./eV ) | 1 / 6.88 |
Ionisation potential ( No./eV ) | 4 / 38.3 |
Ionisation potential ( No./eV ) | 5 / 50.5 |
Photo-electric work function ( eV ) | 4.30 |
Thermal neutron absorption cross-section ( Barns ) | 1.1500 |
Valences shown | 2 , 3, 4, 5 |
Thermal Properties(热性能) |
Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 7.200 @0-100℃ |
Latent heat of evaporation ( J g⁻¹ ) | 7360 |
Latent heat of fusion ( J g⁻¹ ) | 290.00 |
Melting point ( C ) | 2468.00 |
Specific heat ( J K⁻¹ kg⁻¹ ) | 268.0 @25℃ |
Thermal conductivity ( W m⁻¹ K⁻¹ ) | 53.70 @0-100℃ |
Electrical Properties(电气特性) |
Electrical resistivity ( μOhmcm ) | 16@20℃ |
Superconductivity critical temperature ( K ) | 9.2500 |
Temperature coefficient ( K⁻¹ ) | 0.00260 @0-100℃ |
Physical Properties(物理性质) |
Boiling point ( C ) | 4742 |
Density ( g cm⁻³ ) | 8.570 @20℃ |