| Production Method[生产方法] |
Hot Pressed |
| Purity[纯度] |
99.6% |
| Thickness[厚度] |
3mm |
| Typical Analysis(典型分析) |
| C |
5900 PPM |
| Fe |
6100 PPM |
| H |
20 PPM |
| N |
200 PPM |
| O |
1500 PPM |
| Physical Properties(物理性质) |
| Boiling point ( C ) |
3700 |
| Density ( g cm?? ) |
2.340 - 2.370 @20℃ |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10?? K?? ) |
8.300 @0-100℃ |
| Latent heat of evaporation ( J g?? ) |
35000 |
| Latent heat of fusion ( J g?? ) |
2090.00 |
| Melting point ( C ) |
2180.00 |
| Specific heat ( J K?? kg?? ) |
1030.0 @25℃ |
| Atomic Properties(原子属性) |
| Atomic number |
5 |
| Atomic weight ( amu ) |
10.81000 |
| Crystal structure |
Tetragonal |
| Electronic structure |
He2s?2p? |
| Ionisation potential ( No./eV ) |
4 / 259 |
| Ionisation potential ( No./eV ) |
2 / 25.2 |
| Ionisation potential ( No./eV ) |
1 / 8.30 |
| Ionisation potential ( No./eV ) |
5 / 340 |
| Ionisation potential ( No./eV ) |
3 37.9 |
| Natural isotope distribution ( Mass No./% ) |
11 / 80.2 |
| Natural isotope distribution ( Mass No./% ) |
10 / 19.8 |
| Photo-electric work function ( eV ) |
4.50 |
| Thermal neutron absorption cross-section ( Barns ) |
672.0000 |
| Valences shown |
3 |
| Mechanical Properties(机械性能) |
| Hardness - Mohs ( Arc melted ) |
9.50 |
| Material condition |
Arc Melted |
| Tensile modulus ( GPa ) ( Arc melted ) |
441.00 |
| Tensile strength ( MPa ) ( Arc melted ) |
1580.00 - 2410.00 |
| Electrical Properties(电气特性) |
| Electrical resistivity ( μOhmcm ) |
1.8x10??@27℃ |
