钽,箔, Ta, 0.0005mm厚, 3N
| 品牌: | Goodfellow | | 纯度含量: | 99.9% | | 产地: | 英国 |
产品介绍
| 订货号 | 包装规格 | | Sizes | | 192-544-72 | 25mm x 25mm |
产品参数 | Purity[纯度] | 99.9% | | Thickness[厚度] | 0.0005mm | | Typical Analysis(典型分析) | | Al | 5 PPM | | Ca | 2 PPM | | Co | 1 PPM | | Cr | 5 PPM | | Cu | 2 PPM | | Fe | 30 PPM | | Mg | 5 PPM | | Mn | 2 PPM | | Mo | 100 PPM | | Na | 10 PPM | | Nb | <500 PPM | | Ni | 3 PPM | | Si | 10 PPM | | Sn | 2 PPM | | Ti | 20 PPM | | V | 5 PPM | | W | 100 PPM | | Zr | 10 PPM | | Mechanical Properties(机械性能) | | Bulk modulus ( GPa ) ( Hard ) | 196.3 | | Bulk modulus ( GPa ) ( Soft ) | 196.3 | | Hardness - Vickers ( kgf mm⁻² ) ( Hard ) | 200 | | Hardness - Vickers ( kgf mm⁻² ) ( Soft ) | 90 | | Material condition | Hard | | Material condition | Soft | | Poisson's ratio ( Hard ) | 0.342 | | Poisson's ratio ( Soft ) | 0.342 | | Tensile modulus ( GPa ) ( Hard ) | 185.70 | | Tensile modulus ( GPa ) ( Soft ) | 185.70 | | Tensile strength ( MPa ) ( Hard ) | 760.00 | | Tensile strength ( MPa ) ( Soft ) | 172.00 - 207.00 | | Yield strength ( MPa ) ( Hard ) | 705.0 | | Yield strength ( MPa ) ( Soft ) | 310.0 - 380.0 | | Atomic Properties(原子属性) | | Atomic number | 73 | | Atomic weight ( amu ) | 180.94790 | | Crystal structure | Body Centred Cubic | | Electronic structure | Xe4f¹⁴5d³6s² | | Ionisation potential ( No./eV ) | 1 / 7.88 | | Ionisation potential ( No./eV ) | 2 / 16.2 | | Natural isotope distribution ( Mass No./% ) | 180 / 0.012 | | Natural isotope distribution ( Mass No./% ) | 181 / 99.988 | | Photo-electric work function ( eV ) | 4.10 | | Thermal neutron absorption cross-section ( Barns ) | 22.0000 | | Valences shown | 2 ,3,4,5 | | Electrical Properties(电气特性) | | Electrical resistivity ( μOhmcm ) | 13.5@20℃ | | Superconductivity critical temperature ( K ) | 4.4700 | | Temperature coefficient ( K⁻¹ ) | 0.00350 @0-100℃ | | Thermal emf against Pt (cold 0C - hot 100C) ( mV ) | 0.33 | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 6.500 @0-100℃ | | Latent heat of evaporation ( J g⁻¹ ) | 4165 | | Latent heat of fusion ( J g⁻¹ ) | 174.00 | | Melting point ( C ) | 2996.00 | | Specific heat ( J K⁻¹ kg⁻¹ ) | 140.0 @25℃ | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 57.50 @0-100 | | Physical Properties(物理性质) | | Boiling point ( C ) | 5425 | | Density ( g cm⁻³ ) | 16.600 @20℃ |
其他参数 公差 | 长度 | <100mm | ±1mm |
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| ≥100mm | +2% / -1% | | 直径 | <100mm | ±1mm |
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| ≥100mm | +2% / -1% | | 厚度 | <0.01mm | ±25% |
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| ≤0.05mm | ±15% | | >0.05mm | ±10% | | 长度 1 | <100mm | ±1mm |
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| ≥100mm | +2% / -1% | | 长度 2 | <100mm | ±1mm |
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| ≥100mm | +2% / -1% |
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