材料 >> 金属材料
钪,棒, Sc, 3.2mm直径, Hard Temper
品牌: Goodfellow纯度含量: 99.95%产地: 英国
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品牌: | Goodfellow | 纯度含量: | 99.95% | 产地: | 英国 |
产品介绍 订货号 | 包装规格 | Length (Round) | 028-874-43 | 50 mm | 179-222-70 | 100 mm |
产品参数 Diameter[直径] | 3.2mm | Length[长度] | 50 mm - 100 mm | Purity[纯度] | 99.95% | Temper[状态] | Hard | Typical Analysis(典型分析) | Al | 20 PPM | Ca | 100 PPM | Cr | 5 PPM | Cu | 2 PPM | Fe | 10 PPM | Mg | 1 PPM | Mn | <1 PPM | Ni | 50 PPM | Si | 2 PPM | Yb | 5 PPM | Atomic Properties(原子属性) | Atomic number | 21 | Atomic weight ( amu ) | 44.95590 | Crystal structure | Hexagonal Close Packed | Electronic structure | Ar3d¹4s² | Ionisation potential ( No./eV ) | 3 / 24.8 | Ionisation potential ( No./eV ) | 5 / 91.7 | Ionisation potential ( No./eV ) | 4 / 73.5 | Ionisation potential ( No./eV ) | 6 / 111 | Ionisation potential ( No./eV ) | 1 / 6.54 | Ionisation potential ( No./eV ) | 2 / 12.8 | Photo-electric work function ( eV ) | 3.50 | Thermal neutron absorption cross-section ( Barns ) | 25.0000 | Valences shown | 3 | Mechanical Properties(机械性能) | Bulk modulus ( GPa ) ( Hard ) | 44.2 | Bulk modulus ( GPa ) ( Soft ) | 44.2 | Hardness - Brinell ( Hard ) | 136 | Hardness - Brinell ( Soft ) | 78 | Material condition | Soft | Material condition | Hard | Poisson's ratio ( Hard ) | 0.270 | Poisson's ratio ( Soft ) | 0.270 | Tensile modulus ( GPa ) ( Hard ) | 79.30 | Tensile modulus ( GPa ) ( Soft ) | 79.30 | Electrical Properties(电气特性) | Electrical resistivity ( μOhmcm ) | 66@20℃ | Temperature coefficient ( K⁻¹ ) | 0.00282 @0-100℃ | Physical Properties(物理性质) | Boiling point ( C ) | 2831 | Density ( g cm⁻³ ) | 2.990 @20℃ | Thermal Properties(热性能) | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 12.000 @0-100℃ | Latent heat of evaporation ( J g⁻¹ ) | 7293 | Latent heat of fusion ( J g⁻¹ ) | 357.00 | Melting point ( C ) | 1541.00 | Specific heat ( J K⁻¹ kg⁻¹ ) | 557.0 @25℃ | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 15.80 @0-100℃ |
其他参数 公差 直径 | ≤10mm | ±10% |
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聚合物 | +20% / -10% | 陶瓷 | +20% / -10% | |
>10mm | ±5% | 陶瓷 | +20% / -10% | 聚合物 | +20% / -10% | |
长度 | <100mm | ±1mm |
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≥100mm | +5% / -1% |
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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