Diameter[直径] | 4mm - 15mm |
Purity[纯度] | 97.0% |
Temper[状态] | Annealed |
Thickness[厚度] | 0.14mm |
Typical Analysis(典型分析) |
Al | 30 PPM |
C | 30 PPM |
Cr | <50 PPM |
Cu | <50 PPM |
Fe | 100 PPM |
Mg | <10 PPM |
Mo | <10 PPM |
N | 10 PPM |
Nb | <50 PPM |
O | 150 PPM |
Ta | <100 PPM |
Ti | 25 PPM |
U | 0.5 PPM |
W | <50 PPM |
Zr | 2.8 Percent |
Mechanical Properties(机械性能) |
Bulk modulus ( GPa ) ( Hard ) | 109.0 |
Bulk modulus ( GPa ) ( Soft ) | 109.0 |
Hardness - Vickers ( kgf mm⁻² ) ( Soft ) | 150 - 180 |
Material condition | Hard |
Material condition | Soft |
Poisson's ratio ( Hard ) | 0.260 |
Poisson's ratio ( Soft ) | 0.260 |
Tensile modulus ( GPa ) ( Hard ) | 141.00 |
Tensile modulus ( GPa ) ( Soft ) | 141.00 |
Tensile strength ( MPa ) ( Hard ) | 745.00 |
Tensile strength ( MPa ) ( Soft ) | 445.00 |
Yield strength ( MPa ) ( Hard ) | 365.0 |
Yield strength ( MPa ) ( Soft ) | 240.0 |
Atomic Properties(原子属性) |
Atomic number | 72 |
Atomic weight ( amu ) | 178.49000 |
Crystal structure | Hexagonal Close Packed |
Electronic structure | Xe4f¹⁴5d²6s² |
Ionisation potential ( No./eV ) | 3 / 23.3 |
Ionisation potential ( No./eV ) | 1 / 7.0 |
Ionisation potential ( No./eV ) | 2 / 14.9 |
Ionisation potential ( No./eV ) | 4 / 33.3 |
Natural isotope distribution ( Mass No./% ) | 179 / 13.8 |
Natural isotope distribution ( Mass No./% ) | 176 / 5.2 |
Natural isotope distribution ( Mass No./% ) | 180 / 35.2 |
Natural isotope distribution ( Mass No./% ) | 174 / 0.2 |
Natural isotope distribution ( Mass No./% ) | 177 / 18.5 |
Natural isotope distribution ( Mass No./% ) | 178 / 27.1 |
Photo-electric work function ( eV ) | 3.90 |
Thermal neutron absorption cross-section ( Barns ) | 103.0000 |
Valences shown | 4 |
Physical Properties(物理性质) |
Boiling point ( C ) | 4602 |
Density ( g cm⁻³ ) | 13.100 @20℃ |
Thermal Properties(热性能) |
Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 6.000 @0-100℃ |
Latent heat of evaporation ( J g⁻¹ ) | 3700 |
Latent heat of fusion ( J g⁻¹ ) | 122.00 |
Melting point ( C ) | 2227.00 |
Specific heat ( J K⁻¹ kg⁻¹ ) | 146.0 @25℃ |
Thermal conductivity ( W m⁻¹ K⁻¹ ) | 23.00 @0-100℃ |
Electrical Properties(电气特性) |
Electrical resistivity ( μOhmcm ) | 32.2@20℃ |
Superconductivity critical temperature ( K ) | 0.1280 |
Temperature coefficient ( K⁻¹ ) | 0.00440 @0-100℃ |