钨,粉末, W, 100μm最大粒度, 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 | | Weight | | 033-713-52 | 50g | | 214-196-81 | 100g | | 774-611-84 | 200g | | 826-482-11 | 500g | | 310-274-63 | 1000g |
产品参数 | Maximum Particle Size[最大粒度] | 100μm | | Purity[纯度] | 99.9% | | Weight[重量] | 50g - 1000g | | Mechanical Properties(机械性能) | | Bulk modulus ( GPa ) ( Hard ) | 311.0 | | Bulk modulus ( GPa ) ( Soft ) | 311.0 | | Hardness - Vickers ( kgf mm⁻² ) ( Hard ) | 500 | | Hardness - Vickers ( kgf mm⁻² ) ( Soft ) | 360 | | Material condition | Soft | | Material condition | Hard | | Poisson's ratio ( Hard ) | 0.280 | | Poisson's ratio ( Soft ) | 0.280 | | Tensile modulus ( GPa ) ( Hard ) | 411.00 | | Tensile modulus ( GPa ) ( Soft ) | 411.00 | | Tensile strength ( MPa ) ( Hard ) | 1920.00 | | Tensile strength ( MPa ) ( Soft ) | 550.00 - 620.00 | | Yield strength ( MPa ) ( Soft ) | 550.0 | | Atomic Properties(原子属性) | | Atomic number | 74 | | Atomic weight ( amu ) | 183.85000 | | Crystal structure | Body Centred Cubic | | Electronic structure | Xe4f¹⁴5d⁴6s² | | Ionisation potential ( No./eV ) | 1 / 7.98 | | Ionisation potential ( No./eV ) | 2 / 17.7 | | Natural isotope distribution ( Mass No./% ) | 183 / 14.3 | | Natural isotope distribution ( Mass No./% ) | 182 / 26.3 | | Natural isotope distribution ( Mass No./% ) | 186 / 28.6 | | Natural isotope distribution ( Mass No./% ) | 180 / 0.1 | | Natural isotope distribution ( Mass No./% ) | 184 / 30.7 | | Photo-electric work function ( eV ) | 4.55 | | Thermal neutron absorption cross-section ( Barns ) | 18.5000 | | Valences shown | 2 ,3,4,5,6 | | Electrical Properties(电气特性) | | Electrical resistivity ( μOhmcm ) | 5.4@20℃ | | Superconductivity critical temperature ( K ) | 0.0154 | | Temperature coefficient ( K⁻¹ ) | 0.00480 @0-100℃ | | Thermal emf against Pt (cold 0C - hot 100C) ( mV ) | 1.12 | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 4.500 @0-100℃ | | Latent heat of evaporation ( J g⁻¹ ) | 4009 | | Latent heat of fusion ( J g⁻¹ ) | 192.00 | | Melting point ( C ) | 3410.00 | | Specific heat ( J K⁻¹ kg⁻¹ ) | 133.0 @25℃ | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 173.00 @0-100℃ | | Physical Properties(物理性质) | | Boiling point ( C ) | 5660 | | Density ( g cm⁻³ ) | 19.300 @20℃ |
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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Goodfellow（顾特服）
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