铋,单晶, Bi, 12mm 直径, 2mm厚, 5N
品牌: | Goodfellow | 纯度含量: | 99.999% | 产地: | 英国 |
产品介绍
产品参数 Diameter[直径] | 12mm | Orientation[定向/导向] | (111) | Polish[抛光] | Unpolished | Purity[纯度] | 99.999% | Quantity[数量] | 1 Piece | Thickness[厚度] | 2mm | Electrical Properties(电气特性) | Electrical resistivity ( μOhmcm ) | 117@20℃ | Temperature coefficient ( K⁻¹ ) | 0.00460 @0-100℃ | Thermal emf against Pt (cold 0C - hot 100C) ( mV ) | -7.34 | Mechanical Properties(机械性能) | Bulk modulus ( GPa ) ( Polycrystalline ) | 31.3 | Hardness - Vickers ( kgf mm⁻² ) ( Polycrystalline ) | 16 - 19 | Material condition | Polycrystalline | Poisson's ratio ( Polycrystalline ) | 0.330 | Tensile modulus ( GPa ) ( Polycrystalline ) | 34.00 | Thermal Properties(热性能) | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 13.400 @0-100℃ | Latent heat of evaporation ( J g⁻¹ ) | 857 | Latent heat of fusion ( J g⁻¹ ) | 52.00 | Melting point ( C ) | 271.30 | Specific heat ( J K⁻¹ kg⁻¹ ) | 124.0 @25℃ | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 7.90 @0-100℃ | Atomic Properties(原子属性) | Atomic number | 83 | Atomic weight ( amu ) | 208.98040 | Crystal structure | Rhombohedral | Electronic structure | Xe4f¹⁴5d¹⁰6s²6p³ | Ionisation potential ( No./eV ) | 5 / 56.0 | Ionisation potential ( No./eV ) | 1 / 7.29 | Ionisation potential ( No./eV ) | 3 / 25.6 | Ionisation potential ( No./eV ) | 4 / 45.3 | Ionisation potential ( No./eV ) | 6 / 88.3 | Ionisation potential ( No./eV ) | 2 / 16.7 | Photo-electric work function ( eV ) | 4.40 | Thermal neutron absorption cross-section ( Barns ) | 0.0340 | Valences shown | 3 , 5 | Physical Properties(物理性质) | Boiling point ( C ) | 1560 | Density ( g cm⁻³ ) | 9.800 @20℃ |
其他参数 公差 导向 | | ±3° |
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直径 | 仅有名义尺寸 |
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长度 | 仅有名义尺寸 |
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厚度 | 仅有名义尺寸 |
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