材料 >> 金属材料
硅,块, Si, 25mm Max. Lump Size
品牌: Goodfellow纯度含量: 100.0%产地: 英国
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品牌: | Goodfellow | 纯度含量: | 100.0% | 产地: | 英国 |
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介绍 Broken ingot. 订货号 | 包装规格 | Weight | 157-034-77 | 50g | 629-342-06 | 100g | 667-750-56 | 200g |
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参数 Maximum Lump Size[] | 25mm | Purity[纯度] | 100.0% | Structure[结构] | Polycrystalline | Weight[重量] | 50g - 200g | Typical Analysis(典型分析) | Al | <1 PPM | Ba | <2 PPM | Be | <1 PPM | Bi | <2 PPM | Ca | <1 PPM | Cd | <2 PPM | Physical Properties(物理性质) | Boiling point ( C ) | 2355 | Density ( g cm⁻³ ) | 2.340 @20℃ | Mechanical Properties(机械性能) | Bulk modulus ( GPa ) ( Polycrystalline ) | 100.0 | Hardness - Mohs ( Polycrystalline ) | 7.00 | Material condition | Polycrystalline | Poisson's ratio ( Polycrystalline ) | 0.420 | Tensile modulus ( GPa ) ( Polycrystalline ) | 113.00 | Atomic Properties(原子属性) | Atomic number | 14 | Atomic weight ( amu ) | 28.08550 | Crystal structure | Diamond | Electronic structure | Ne3s²3p² | Ionisation potential ( No./eV ) | 5 / 167 | Ionisation potential ( No./eV ) | 1 / 8.15 | Ionisation potential ( No./eV ) | 2 / 16.3 | Ionisation potential ( No./eV ) | 3 / 33.5 | Ionisation potential ( No./eV ) | 4 / 45.1 | Ionisation potential ( No./eV ) | 6 / 205 | Natural isotope distribution ( Mass No./% ) | 30 / 3.10 | Natural isotope distribution ( Mass No./% ) | 29 / 4.67 | Natural isotope distribution ( Mass No./% ) | 28 / 92.23 | Photo-electric work function ( eV ) | 4.20 | Thermal neutron absorption cross-section ( Barns ) | 0.1600 | Valences shown | 4 | Electrical Properties(电气特性) | Electrical resistivity ( μOhmcm ) | 23x10¹⁰@20℃ | Thermal emf against Pt (cold 0C - hot 100C) ( mV ) | -41.56 | Thermal Properties(热性能) | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 4.700 - 7.600 @0-100℃ | Latent heat of evaporation ( J g⁻¹ ) | 13700 | Latent heat of fusion ( J g⁻¹ ) | 1650.00 | Melting point ( C ) | 1410.00 | Specific heat ( J K⁻¹ kg⁻¹ ) | 703.0 @25℃ | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 80.00 - 150.00 @0-100℃ |
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