材料 >> 金属材料
钐,块, Sm, 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 | | 409-307-70 | 10g | | 745-047-07 | 20g | | 573-432-04 | 50g |
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参数 | Maximum Lump Size[] | 25mm | | Purity[纯度] | 99.9% | | Weight[重量] | 10g - 50g | | Typical Analysis(典型分析) | | Ca | 200 PPM | | Fe | 50 PPM | | Gd | 100 PPM | | Mg | 50 PPM | | Si | 10 PPM | | Y | 100 PPM | | Mechanical Properties(机械性能) | | Bulk modulus ( GPa ) ( Polycrystalline ) | 29.9 | | Material condition | Polycrystalline | | Poisson's ratio ( Polycrystalline ) | 0.310 | | Tensile modulus ( GPa ) ( Polycrystalline ) | 34.10 | | Tensile strength ( MPa ) ( Polycrystalline ) | 124.00 | | Yield strength ( MPa ) ( Polycrystalline ) | 110.0 | | Atomic Properties(原子属性) | | Atomic number | 62 | | Atomic weight ( amu ) | 150.36000 | | Crystal structure | Rhombohedral | | Electronic structure | Xe4f⁶6s² | | Ionisation potential ( No./eV ) | 1 / 5.63 | | Ionisation potential ( No./eV ) | 2 / 11.07 | | Natural isotope distribution ( Mass No./% ) | 149 / 13.9 | | Natural isotope distribution ( Mass No./% ) | 144 / 3.1 | | Natural isotope distribution ( Mass No./% ) | 148 / 11.3 | | Natural isotope distribution ( Mass No./% ) | 152 / 26.6 | | Natural isotope distribution ( Mass No./% ) | 147 / 15.1 | | Natural isotope distribution ( Mass No./% ) | 150 / 7.4 | | Natural isotope distribution ( Mass No./% ) | 154 / 22.6 | | Photo-electric work function ( eV ) | 2.70 | | Thermal neutron absorption cross-section ( Barns ) | 5820.0000 | | Valences shown | 2 ,3 | | Thermal Properties(热性能) | | Latent heat of evaporation ( J g⁻¹ ) | 1280 | | Latent heat of fusion ( J g⁻¹ ) | 72.40 | | Melting point ( C ) | 1077.00 | | Specific heat ( J K⁻¹ kg⁻¹ ) | 180.0 @25℃ | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 13.30 @0-100℃ | | Physical Properties(物理性质) | | Boiling point ( C ) | 1791 | | Density ( g cm⁻³ ) | 7.536 @20℃ | | Electrical Properties(电气特性) | | Electrical resistivity ( μOhmcm ) | 92@20℃ | | Temperature coefficient ( K⁻¹ ) | 0.00148 @0-100℃ |
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