钴,单晶, Co, 10mm 直径, 2mm厚, 4N
| 品牌: | Goodfellow | | 纯度含量: | 99.99% | | 产地: | 英国 |
产品介绍
Although this crystal is normally held in stock ready for immediate shipment it is an example of crystals which may be grown to order with a delivery forecast of 20-30 weeks. When requesting a quotation please specify the material, dimensions, orientation, type and concentration of dopants, surface finish and quantity required. 产品参数 | Diameter[直径] | 10mm | | Orientation[定向/导向] | (0001) | | Polish[抛光] | Unpolished | | Purity[纯度] | 99.99% | | Quantity[数量] | 1 Piece | | Thickness[厚度] | 2mm | | Electrical Properties(电气特性) | | Electrical resistivity ( μOhmcm ) | 6.34@20℃ | | Temperature coefficient ( K⁻¹ ) | 0.00660 @0-100℃ | | Thermal emf against Pt (cold 0C - hot 100C) ( mV ) | -1.33 | | Mechanical Properties(机械性能) | | Bulk modulus ( GPa ) ( Hard ) | 181.5 | | Bulk modulus ( GPa ) ( Soft ) | 181.5 | | Hardness - Vickers ( kgf mm⁻² ) ( Hard ) | 320 | | Hardness - Vickers ( kgf mm⁻² ) ( Soft ) | 170 | | Material condition | Hard | | Material condition | Soft | | Poisson's ratio ( Hard ) | 0.320 | | Poisson's ratio ( Soft ) | 0.320 | | Tensile modulus ( GPa ) ( Hard ) | 211.00 | | Tensile modulus ( GPa ) ( Soft ) | 211.00 | | Tensile strength ( MPa ) ( Hard ) | 1135.00 | | Tensile strength ( MPa ) ( Soft ) | 760.00 | | Yield strength ( MPa ) ( Soft ) | 345.0 - 485.0 | | Atomic Properties(原子属性) | | Atomic number | 27 | | Atomic weight ( amu ) | 58.93320 | | Crystal structure | Hexagonal Close Packed | | Electronic structure | Ar3d⁷4s² | | Ionisation potential ( No./eV ) | 2 / 17.06 | | Ionisation potential ( No./eV ) | 4 / 51.3 | | Ionisation potential ( No./eV ) | 3 / 33.5 | | Ionisation potential ( No./eV ) | 1 / 79.5 | | Ionisation potential ( No./eV ) | 1 / 7.86 | | Ionisation potential ( No./eV ) | 6 / 102 | | Photo-electric work function ( eV ) | 5.00 | | Thermal neutron absorption cross-section ( Barns ) | 37.5000 | | Valences shown | 2 , 3 | | Physical Properties(物理性质) | | Boiling point ( C ) | 2870 | | Density ( g cm⁻³ ) | 8.900 @20℃ | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 12.500 @0-100℃ | | Latent heat of evaporation ( J g⁻¹ ) | 6490 | | Latent heat of fusion ( J g⁻¹ ) | 263.00 | | Melting point ( C ) | 1495.00 | | Specific heat ( J K⁻¹ kg⁻¹ ) | 456.0 @25℃ | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 100.00 @0-100℃ |
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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