材料 >> 金属材料
钆,块, Gd, 25mm Max. Lump Size, 3N
品牌: Goodfellow
纯度含量: 99.9%
产地: 英国
索取资料及报价
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| 品牌: |
Goodfellow |
| 纯度含量: |
99.9% |
| 产地: |
英国 |
半岛bd体育手机客户端 介绍
Supplied in 100g bottles only.
| 订货号 |
包装规格 |
| Weight |
| 494-025-93 |
20g |
| 751-926-66 |
50g |
| 283-049-51 |
100g |
| 385-052-36 |
150g |
半岛bd体育手机客户端 参数
| Maximum Lump Size[] |
25mm |
| Purity[纯度] |
99.9% |
| Weight[重量] |
20g - 150g |
| Atomic Properties(原子属性) |
| Atomic number |
64 |
| Atomic weight ( amu ) |
157.25000 |
| Crystal structure |
Hexagonal Close Packed |
| Electronic structure |
Xe4f?5d?6s? |
| Ionisation potential ( No./eV ) |
2 / 12.1 |
| Ionisation potential ( No./eV ) |
1 / 6.14 |
| Natural isotope distribution ( Mass No./% ) |
160 / 21.8 |
| Natural isotope distribution ( Mass No./% ) |
155 / 14.8 |
| Natural isotope distribution ( Mass No./% ) |
157 / 15.7 |
| Natural isotope distribution ( Mass No./% ) |
152 / 0.2 |
| Natural isotope distribution ( Mass No./% ) |
158 / 24.8 |
| Natural isotope distribution ( Mass No./% ) |
156 / 20.5 |
| Natural isotope distribution ( Mass No./% ) |
154 / 2.2 |
| Photo-electric work function ( eV ) |
3.10 |
| Thermal neutron absorption cross-section ( Barns ) |
49000.0000 |
| Valences shown |
3 |
| Mechanical Properties(机械性能) |
| Bulk modulus ( GPa ) ( Polycrystalline ) |
39.1 |
| Hardness - Vickers ( kgf mm?? ) ( Polycrystalline ) |
55 |
| Material condition |
Polycrystalline |
| Poisson's ratio ( Polycrystalline ) |
0.260 |
| Tensile modulus ( GPa ) ( Polycrystalline ) |
56.20 |
| Tensile strength ( MPa ) ( Polycrystalline ) |
193.00 |
| Yield strength ( MPa ) ( Polycrystalline ) |
179.0 |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10?? K?? ) |
6.400 @0-100℃ |
| Latent heat of evaporation ( J g?? ) |
1920 |
| Latent heat of fusion ( J g?? ) |
98.70 |
| Melting point ( C ) |
1313.00 |
| Specific heat ( J K?? kg?? ) |
230.0 @25℃ |
| Thermal conductivity ( W m?? K?? ) |
10.50 @0-100℃ |
| Physical Properties(物理性质) |
| Boiling point ( C ) |
3266 |
| Density ( g cm?? ) |
7.895 @25℃ |
| Electrical Properties(电气特性) |
| Electrical resistivity ( μOhmcm ) |
134@20℃ |
| Temperature coefficient ( K?? ) |
0.00176 @0-100℃ |
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