材料 >> 金属材料
钬,块, Ho, 25mm Max. Lump Size, 2N
品牌: Goodfellow
纯度含量: 99.0%
产地: 英国
索取资料及报价
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| 品牌: |
Goodfellow |
| 纯度含量: |
99.0% |
| 产地: |
英国 |
半岛bd体育手机客户端 介绍
| 订货号 |
包装规格 |
| Weight |
| 423-611-29 |
50 g |
| 951-404-14 |
100 g |
半岛bd体育手机客户端 参数
| Maximum Lump Size[] |
25mm |
| Purity[纯度] |
99.0% |
| Weight[重量] |
50 g - 100 g |
| Electrical Properties(电气特性) |
| Electrical resistivity ( μOhmcm ) |
94@20℃ |
| Temperature coefficient ( K?? ) |
0.00171 @0-100℃ |
| Physical Properties(物理性质) |
| Boiling point ( C ) |
2695 |
| Density ( g cm?? ) |
8.803 @20℃ |
| Atomic Properties(原子属性) |
| Atomic number |
67 |
| Atomic weight ( amu ) |
164.93040 |
| Crystal structure |
Hexagonal Close Packed |
| Electronic structure |
Xe4f??6s? |
| Ionisation potential ( No./eV ) |
2 / 11.80 |
| Ionisation potential ( No./eV ) |
1 / 6.02 |
| Thermal neutron absorption cross-section ( Barns ) |
65.0000 |
| Valences shown |
3 |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10?? K?? ) |
9.500 @0-400℃ |
| Latent heat of evaporation ( J g?? ) |
1695 |
| Latent heat of fusion ( J g?? ) |
104.00 |
| Melting point ( C ) |
1474.00 |
| Specific heat ( J K?? kg?? ) |
165.0 @25℃ |
| Thermal conductivity ( W m?? K?? ) |
16.20 @0-100℃ |
| Mechanical Properties(机械性能) |
| Bulk modulus ( GPa ) ( Polycrystalline ) |
40.5 |
| Hardness - Vickers ( kgf mm?? ) ( Polycrystalline ) |
60 |
| Material condition |
Polycrystalline |
| Poisson's ratio ( Polycrystalline ) |
0.225 |
| Tensile modulus ( GPa ) ( Polycrystalline ) |
66.90 |
| Tensile strength ( MPa ) ( Polycrystalline ) |
262.00 |
| Yield strength ( MPa ) ( Polycrystalline ) |
221.0 |
易燃
与火焰接触后点燃的化学品，或与水接触后逸出高度易燃气体的化学品。
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