铱,棒, Ir, 4mm直径, As Drawn Temper, 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 | | Length (Round) | | 303-229-86 | 6mm | | 895-662-28 | 10mm | | 122-204-67 | 25mm |
产品参数 | Diameter[直径] | 4mm | | Length[长度] | 6mm - 50mm | | Purity[纯度] | 99.9% | | Temper[状态] | As Drawn | | Typical Analysis(典型分析) | | Ag | 1 PPM | | Al | 5 PPM | | Ba | 10 PPM | | Ca | 30 PPM | | Cu | 1 PPM | | Fe | 30 PPM | | Mg | 1 PPM | | Na | 20 PPM | | Pb | 30 PPM | | Pd | 20 PPM | | Pt | 20 PPM | | Rh | 200 PPM | | Ru | 5 PPM | | Si | 20 PPM | | Atomic Properties(原子属性) | | Atomic number | 77 | | Atomic weight ( amu ) | 192.22000 | | Crystal structure | Face Centred Cubic | | Electronic structure | Xe4f¹⁴5d⁷6s² | | Natural isotope distribution ( Mass No./% ) | 191 / 37.3 | | Natural isotope distribution ( Mass No./% ) | 193 / 62.7 | | Photo-electric work function ( eV ) | 4.60 | | Thermal neutron absorption cross-section ( Barns ) | 425.0000 | | Valences shown | 3 , 4 | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 6.800 @0-100℃ | | Latent heat of evaporation ( J g⁻¹ ) | 3186 | | Latent heat of fusion ( J g⁻¹ ) | 135.00 | | Melting point ( C ) | 2410.00 | | Specific heat ( J K⁻¹ kg⁻¹ ) | 133.0 @25℃ | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 147.00 @0-100℃ | | Mechanical Properties(机械性能) | | Bulk modulus ( GPa ) ( Hard ) | 371.0 | | Bulk modulus ( GPa ) ( Soft ) | 371.0 | | Hardness - Vickers ( kgf mm⁻² ) ( Hard ) | 650 | | Hardness - Vickers ( kgf mm⁻² ) ( Soft ) | 200 - 300 | | Material condition | Soft | | Material condition | Hard | | Poisson's ratio ( Hard ) | 0.260 | | Poisson's ratio ( Soft ) | 0.260 | | Tensile modulus ( GPa ) ( Hard ) | 528.00 | | Tensile modulus ( GPa ) ( Soft ) | 528.00 | | Tensile strength ( MPa ) ( Hard ) | 1200.00 | | Tensile strength ( MPa ) ( Soft ) | 550.00 - 1100.00 | | Physical Properties(物理性质) | | Boiling point ( C ) | 4130 | | Density ( g cm⁻³ ) | 22.400 @20℃ | | Electrical Properties(电气特性) | | Electrical resistivity ( μOhmcm ) | 5.1@20℃ | | Superconductivity critical temperature ( K ) | 0.1100 | | Temperature coefficient ( K⁻¹ ) | 0.00450 @0-100℃ | | Thermal emf against Pt (cold 0C - hot 100C) ( mV ) | 0.65 |
其他参数 公差 | 直径 | ≤10mm | ±10% |
|---|
| 聚合物 | +20% / -10% | | 陶瓷 | +20% / -10% | |
| >10mm | ±5% | | 陶瓷 | +20% / -10% | | 聚合物 | +20% / -10% | |
| 长度 | <100mm | ±1mm |
|---|
| ≥100mm | +5% / -1% |
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