Coil Width[卷材宽度] | 45mm |
Purity[纯度] | 99.2% |
Temper[状态] | Annealed |
Thickness[厚度] | 0.3mm |
Typical Analysis(典型分析) |
C | 250 PPM |
Cr | 200 PPM |
Fe | 200 PPM |
H | 10 PPM |
Hf | 2500 PPM |
N | 100 PPM |
O | 1000 PPM |
Atomic Properties(原子属性) |
Atomic number | 40 |
Atomic weight ( amu ) | 91.22000 |
Crystal structure | Hexagonal Close Packed |
Electronic structure | Kr4d²5s² |
Ionisation potential ( No./eV ) | 4 / 34.34 |
Ionisation potential ( No./eV ) | 6 / 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 |
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 |
Photo-electric work function ( eV ) | 3.80 |
Thermal neutron absorption cross-section ( Barns ) | 0.1820 |
Valences shown | 2 ,3,4 |
Mechanical Properties(机械性能) |
Bulk modulus ( GPa ) ( Polycrystalline ) | 89.8 |
Bulk modulus ( GPa ) ( Soft ) | 89.8 |
Hardness - Vickers ( kgf mm⁻² ) ( Soft ) | 85 - 100 |
Material condition | Polycrystalline |
Material condition | Soft |
Poisson's ratio ( Polycrystalline ) | 0.380 |
Poisson's ratio ( Soft ) | 0.380 |
Tensile modulus ( GPa ) ( Polycrystalline ) | 98.00 |
Tensile modulus ( GPa ) ( Soft ) | 98.00 |
Tensile strength ( MPa ) ( Soft ) | 350.00 - 390.00 |
Yield strength ( MPa ) ( Soft ) | 250.0 - 310.0 |
Electrical Properties(电气特性) |
Electrical resistivity ( μOhmcm ) | 44@20℃ |
Superconductivity critical temperature ( K ) | 0.6100 |
Temperature coefficient ( K⁻¹ ) | 0.00440 @0-100℃ |
Thermal emf against Pt (cold 0C - hot 100C) ( mV ) | 1.17 |
Physical Properties(物理性质) |
Boiling point ( C ) | 4377 |
Density ( g cm⁻³ ) | 6.490 @20℃ |
Thermal Properties(热性能) |
Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 5.900 @0-100℃ |
Latent heat of evaporation ( J g⁻¹ ) | 6360 |
Latent heat of fusion ( J g⁻¹ ) | 211.00 |
Melting point ( C ) | 1852.00 |
Specific heat ( J K⁻¹ kg⁻¹ ) | 281.0 @25℃ |
Thermal conductivity ( W m⁻¹ K⁻¹ ) | 22.70 @0-100℃ |