These targets are normally available for immediate shipment from stock. Other sizes are available to special order.
| 订货号 | 包装规格 |
| Disc |
| 651-065-14 | 25.4mm |
产品参数
| Diameter[直径] | 25.4mm |
| Purity[纯度] | 99.9% |
| Thickness[厚度] | 1mm |
| Typical Analysis(典型分析) |
| Ag | 1 PPM |
| Al | 5 PPM |
| Ba | 10 PPM |
| Ca | 30 PPM |
| Cu | 1 PPM |
| Fe | 30 PPM |
| Mg | 1 PPM |
| Na | 20 PPM |
| Pb | 30 PPM |
| Pd | 20 PPM |
| Pt | 20 PPM |
| Rh | 200 PPM |
| Ru | 5 PPM |
| Si | 20 PPM |
| Atomic Properties(原子属性) |
| Atomic number | 77 |
| Atomic weight ( amu ) | 192.22000 |
| Crystal structure | Face Centred Cubic |
| Electronic structure | Xe4f¹⁴5d⁷6s² |
| Natural isotope distribution ( Mass No./% ) | 191 / 37.3 |
| Natural isotope distribution ( Mass No./% ) | 193 / 62.7 |
| Photo-electric work function ( eV ) | 4.60 |
| Thermal neutron absorption cross-section ( Barns ) | 425.0000 |
| Valences shown | 3 , 4 |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 6.800 @0-100℃ |
| Latent heat of evaporation ( J g⁻¹ ) | 3186 |
| Latent heat of fusion ( J g⁻¹ ) | 135.00 |
| Melting point ( C ) | 2410.00 |
| Specific heat ( J K⁻¹ kg⁻¹ ) | 133.0 @25℃ |
| Thermal conductivity ( W m⁻¹ K⁻¹ ) | 147.00 @0-100℃ |
| Mechanical Properties(机械性能) |
| Bulk modulus ( GPa ) ( Hard ) | 371.0 |
| Bulk modulus ( GPa ) ( Soft ) | 371.0 |
| Hardness - Vickers ( kgf mm⁻² ) ( Hard ) | 650 |
| Hardness - Vickers ( kgf mm⁻² ) ( Soft ) | 200 - 300 |
| Material condition | Soft |
| Material condition | Hard |
| Poisson's ratio ( Hard ) | 0.260 |
| Poisson's ratio ( Soft ) | 0.260 |
| Tensile modulus ( GPa ) ( Hard ) | 528.00 |
| Tensile modulus ( GPa ) ( Soft ) | 528.00 |
| Tensile strength ( MPa ) ( Hard ) | 1200.00 |
| Tensile strength ( MPa ) ( Soft ) | 550.00 - 1100.00 |
| Physical Properties(物理性质) |
| Boiling point ( C ) | 4130 |
| Density ( g cm⁻³ ) | 22.400 @20℃ |
| Electrical Properties(电气特性) |
| Electrical resistivity ( μOhmcm ) | 5.1@20℃ |
| Superconductivity critical temperature ( K ) | 0.1100 |
| Temperature coefficient ( K⁻¹ ) | 0.00450 @0-100℃ |
| Thermal emf against Pt (cold 0C - hot 100C) ( mV ) | 0.65 |
其他参数
公差
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