All foils are mounted on a permanent support which cannot be removed without damaging the foil.
| 订货号 |
包装规格 |
| 839-327-68 |
25 mm x 25 mm |
半岛bd体育手机客户端 参数
| Production Method[生产方法] |
Hot Pressed |
| Purity[纯度] |
99.95% |
| Thickness[厚度] |
2mm |
| Mechanical Properties(机械性能) |
| Bulk modulus ( GPa ) ( Polycrystalline ) |
118.0 |
| Hardness - Mohs ( Polycrystalline ) |
5.00 |
| Material condition |
Polycrystalline |
| Poisson's ratio ( Polycrystalline ) |
0.240 |
| Tensile modulus ( GPa ) ( Polycrystalline ) |
191.00 |
| Atomic Properties(原子属性) |
| Atomic number |
25 |
| Atomic weight ( amu ) |
54.93800 |
| Crystal structure |
Body Centred Cubic |
| Electronic structure |
Ar3d?4s? |
| Ionisation potential ( No./eV ) |
2 / 15.64 |
| Ionisation potential ( No./eV ) |
3 / 33.67 |
| Ionisation potential ( No./eV ) |
4 / 51.2 |
| Ionisation potential ( No./eV ) |
6 / 95 |
| Ionisation potential ( No./eV ) |
5 / 72.4 |
| Ionisation potential ( No./eV ) |
1 / 7.43 |
| Photo-electric work function ( eV ) |
3.80 |
| Thermal neutron absorption cross-section ( Barns ) |
13.3000 |
| Valences shown |
1 , 2, 3, 4, 6, 7 |
| Physical Properties(物理性质) |
| Boiling point ( C ) |
1962 |
| Density ( g cm?? ) |
7.400 @20℃ |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10?? K?? ) |
23.000 @0-100℃ |
| Latent heat of evaporation ( J g?? ) |
4207 |
| Latent heat of fusion ( J g?? ) |
267.00 |
| Melting point ( C ) |
1244.00 |
| Specific heat ( J K?? kg?? ) |
477.0 @25℃ |
| Thermal conductivity ( W m?? K?? ) |
7.81 @0-100℃ |
| Electrical Properties(电气特性) |
| Electrical resistivity ( μOhmcm ) |
160@20℃ |
其他参数
公差
| 长度 |
<100mm |
±1mm |
| ≥100mm |
+2% / -1% |
| 直径 |
<100mm |
±1mm |
| ≥100mm |
+2% / -1% |
| 厚度 |
<0.01mm |
±25% |
| ≤0.05mm |
±15% |
| >0.05mm |
±10% |
| 长度 1 |
<100mm |
±1mm |
| ≥100mm |
+2% / -1% |
| 长度 2 |
<100mm |
±1mm |
| ≥100mm |
+2% / -1% |
