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
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| 品牌: | Goodfellow | | 纯度含量: | 99.9% | | 产地: | 英国 |
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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 |
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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 | Xe4f⁷5d¹6s² | | 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⁻² ) ( 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 ( x10⁻⁶ K⁻¹ ) | 6.400 @0-100℃ | | Latent heat of evaporation ( J g⁻¹ ) | 1920 | | Latent heat of fusion ( J g⁻¹ ) | 98.70 | | Melting point ( C ) | 1313.00 | | Specific heat ( J K⁻¹ kg⁻¹ ) | 230.0 @25℃ | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 10.50 @0-100℃ | | Physical Properties(物理性质) | | Boiling point ( C ) | 3266 | | Density ( g cm⁻³ ) | 7.895 @25℃ | | Electrical Properties(电气特性) | | Electrical resistivity ( μOhmcm ) | 134@20℃ | | Temperature coefficient ( K⁻¹ ) | 0.00176 @0-100℃ |
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