| Area Density[面积密度] | 611μg.cm⁻² |
| Diameter[直径] | 10mm - 25mm |
| Purity[纯度] | 99.8% |
| Support[载体] | Permanent Mylar® 3.5μm |
| Thickness[厚度] | 1μm |
| Typical Analysis(典型分析) |
| Ag | 1 PPM |
| Al | 2 PPM |
| Ca | <1 PPM |
| Cr | 15 PPM |
| Cu | <1 PPM |
| Fe | 70 PPM |
| Mg | <1 PPM |
| Mn | 1 PPM |
| Si | 300 PPM |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 8.300 @0-100℃ |
| Latent heat of evaporation ( J g⁻¹ ) | 8975 |
| Latent heat of fusion ( J g⁻¹ ) | 345.00 |
| Melting point ( C ) | 1890.00 |
| Specific heat ( J K⁻¹ kg⁻¹ ) | 486.0 @25℃ |
| Thermal conductivity ( W m⁻¹ K⁻¹ ) | 30.70 @0-100℃ |
| Atomic Properties(原子属性) |
| Atomic number | 23 |
| Atomic weight ( amu ) | 50.94150 |
| Crystal structure | Body Centred Cubic |
| Electronic structure | Ar3d³4s² |
| Ionisation potential ( No./eV ) | 3 / 29.3 |
| Ionisation potential ( No./eV ) | 2 / 14.6 |
| Ionisation potential ( No./eV ) | 5 / 65.2 |
| Ionisation potential ( No./eV ) | 6 / 128 |
| Ionisation potential ( No./eV ) | 1 / 6.74 |
| Ionisation potential ( No./eV ) | 4 / 46.7 |
| Natural isotope distribution ( Mass No./% ) | 51 / 99.75 |
| Natural isotope distribution ( Mass No./% ) | 50 / 0.25 |
| Photo-electric work function ( eV ) | 4.30 |
| Thermal neutron absorption cross-section ( Barns ) | 5.0600 |
| Valences shown | 2 ,3,4,5 |
| Mechanical Properties(机械性能) |
| Bulk modulus ( GPa ) ( Hard ) | 158.0 |
| Bulk modulus ( GPa ) ( Soft ) | 158.0 |
| Hardness - Vickers ( kgf mm⁻² ) ( Hard ) | 150 |
| Hardness - Vickers ( kgf mm⁻² ) ( Soft ) | 80 |
| Izod toughness ( J m⁻¹ ) ( Soft ) | 10 - 136 |
| Material condition | Hard |
| Material condition | Soft |
| Poisson's ratio ( Hard ) | 0.365 |
| Poisson's ratio ( Soft ) | 0.365 |
| Tensile modulus ( GPa ) ( Hard ) | 127.60 |
| Tensile modulus ( GPa ) ( Soft ) | 127.60 |
| Tensile strength ( MPa ) ( Hard ) | 530.00 - 730.00 |
| Tensile strength ( MPa ) ( Soft ) | 260.00 - 585.00 |
| Yield strength ( MPa ) ( Hard ) | 515.0 - 690.0 |
| Yield strength ( MPa ) ( Soft ) | 170.0 - 450.0 |
| Electrical Properties(电气特性) |
| Electrical resistivity ( μOhmcm ) | 19.6@20℃ |
| Superconductivity critical temperature ( K ) | 5.4000 |
| Temperature coefficient ( K⁻¹ ) | 0.00390 @0-100℃ |
| Thermal emf against Pt (cold 0C - hot 100C) ( mV ) | 0.63 |
| Physical Properties(物理性质) |
| Boiling point ( C ) | 3380 |
| Density ( g cm⁻³ ) | 6.100 @20℃ |
