| Diameter[直径] |
2mm |
| Length[长度] |
50mm |
| Production Method[生产方法] |
Cast |
| Purity[纯度] |
99.0% |
| Atomic Properties(原子属性) |
| Atomic number |
39 |
| Atomic weight ( amu ) |
88.90590 |
| Crystal structure |
Hexagonal Close Packed |
| Electronic structure |
Kr4d?5s? |
| Ionisation potential ( No./eV ) |
1 / 6.38 |
| Ionisation potential ( No./eV ) |
6 / 93 |
| Ionisation potential ( No./eV ) |
3 / 20.5 |
| Ionisation potential ( No./eV ) |
2 / 12.2 |
| Ionisation potential ( No./eV ) |
5 / 77 |
| Ionisation potential ( No./eV ) |
4 / 61.8 |
| Photo-electric work function ( eV ) |
3.10 |
| Thermal neutron absorption cross-section ( Barns ) |
1.3000 |
| Valences shown |
3 |
| Physical Properties(物理性质) |
| Boiling point ( C ) |
3338 |
| Density ( g cm?? ) |
4.478 @20 |
| Mechanical Properties(机械性能) |
| Bulk modulus ( GPa ) ( Hard ) |
37.3 |
| Bulk modulus ( GPa ) ( Soft ) |
37.3 |
| Hardness - Brinell ( Hard ) |
100 - 140 |
| Hardness - Brinell ( Soft ) |
30 - 60 |
| Izod toughness ( J m?? ) ( Soft ) |
24 |
| Material condition |
Soft |
| Material condition |
Hard |
| Poisson's ratio ( Hard ) |
0.265 |
| Poisson's ratio ( Soft ) |
0.265 |
| Tensile modulus ( GPa ) ( Hard ) |
66.30 |
| Tensile modulus ( GPa ) ( Soft ) |
66.30 |
| Tensile strength ( MPa ) ( Hard ) |
455.00 |
| Tensile strength ( MPa ) ( Soft ) |
130.00 |
| Yield strength ( MPa ) ( Hard ) |
375.0 |
| Yield strength ( MPa ) ( Soft ) |
57.0 |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10?? K?? ) |
10.800 @0-400 |
| Latent heat of evaporation ( J g?? ) |
4135 |
| Latent heat of fusion ( J g?? ) |
193.00 |
| Melting point ( C ) |
1522.00 |
| Specific heat ( J K?? kg?? ) |
285.0 @25 |
| Thermal conductivity ( W m?? K?? ) |
17.20 @0-100 |
| Electrical Properties(电气特性) |
| Electrical resistivity ( μOhmcm ) |
53@20 |
| Temperature coefficient ( K?? ) |
0.00271 @0-100 |
| Thermal emf against Pt (cold 0C - hot 100C) ( mV ) |
0.55 |
