| Area Density[面积密度] |
60.8μg.cm?? |
| Diameter[直径] |
10mm - 25mm |
| Purity[纯度] |
99.8% |
| Support[载体] |
Permanent Mylar? 3.5μm |
| Thickness[厚度] |
0.1μm |
| 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?? K?? ) |
8.300 @0-100℃ |
| Latent heat of evaporation ( J g?? ) |
8975 |
| Latent heat of fusion ( J g?? ) |
345.00 |
| Melting point ( C ) |
1890.00 |
| Specific heat ( J K?? kg?? ) |
486.0 @25℃ |
| Thermal conductivity ( W m?? K?? ) |
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 |
Ar3d?4s? |
| 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?? ) ( Hard ) |
150 |
| Hardness - Vickers ( kgf mm?? ) ( Soft ) |
80 |
| Izod toughness ( J m?? ) ( 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?? ) |
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?? ) |
6.100 @20℃ |
