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 |
| 174-891-77 | 31mm |
产品参数
| Diameter[直径] | 31mm |
| Purity[纯度] | 99.99% |
| Thickness[厚度] | 5mm |
| Typical Analysis(典型分析) |
| Au | 5 PPM |
| Bi | 1 PPM |
| Cu | 20 PPM |
| Fe | 2 PPM |
| Mg | 1 PPM |
| Pb | 10 PPM |
| Electrical Properties(电气特性) |
| Electrical resistivity ( μOhmcm ) | 1.63@20℃ |
| Temperature coefficient ( K⁻¹ ) | 0.00410 @0-100℃ |
| Thermal emf against Pt (cold 0C - hot 100C) ( mV ) | 0.74 |
| Atomic Properties(原子属性) |
| Atomic number | 47 |
| Atomic weight ( amu ) | 107.86820 |
| Crystal structure | Face Centred Cubic |
| Electronic structure | Kr4d¹⁰5s¹ |
| Ionisation potential ( No./eV ) | 2 / 21.5 |
| Ionisation potential ( No./eV ) | 1 / 7.58 |
| Ionisation potential ( No./eV ) | 3 / 34.8 |
| Natural isotope distribution ( Mass No./% ) | 107 / 51.83 |
| Natural isotope distribution ( Mass No./% ) | 109 / 48.17 |
| Photo-electric work function ( eV ) | 4.70 |
| Thermal neutron absorption cross-section ( Barns ) | 63.8000 |
| Valences shown | 1 ,2 |
| Physical Properties(物理性质) |
| Boiling point ( C ) | 2212 |
| Density ( g cm⁻³ ) | 10.500 @20℃ |
| Mechanical Properties(机械性能) |
| Bulk modulus ( GPa ) ( Hard ) | 103.6 |
| Bulk modulus ( GPa ) ( Soft ) | 103.6 |
| Hardness - Vickers ( kgf mm⁻² ) ( Hard ) | 95 |
| Hardness - Vickers ( kgf mm⁻² ) ( Soft ) | 25 |
| Izod toughness ( J m⁻¹ ) ( Soft ) | 5 |
| Material condition | Hard |
| Material condition | Soft |
| Poisson's ratio ( Hard ) | 0.367 |
| Poisson's ratio ( Soft ) | 0.367 |
| Tensile modulus ( GPa ) ( Hard ) | 82.70 |
| Tensile modulus ( GPa ) ( Soft ) | 82.70 |
| Tensile strength ( MPa ) ( Hard ) | 330.00 |
| Tensile strength ( MPa ) ( Soft ) | 172.00 |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 19.100 @0-100℃ |
| Latent heat of evaporation ( J g⁻¹ ) | 2390 |
| Latent heat of fusion ( J g⁻¹ ) | 103.00 |
| Melting point ( C ) | 961.90 |
| Specific heat ( J K⁻¹ kg⁻¹ ) | 237.0 @25℃ |
| Thermal conductivity ( W m⁻¹ K⁻¹ ) | 429.00 @0-100℃ |
其他参数
公差
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