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材料 >> 金属材料
铋,箔, Bi, 0.0025mm厚
铋,箔, Bi, 0.0025mm厚图片
品牌: Goodfellow
纯度含量: 99.97%
产地: 英国
索取资料及报价
品牌: Goodfellow
纯度含量: 99.97%
产地: 英国
半岛bd体育手机客户端 介绍

All foils are mounted on a permanent support which cannot be removed without damaging the foil.

订货号 包装规格
Sizes
122-284-65 25mm x 25mm
514-592-17 50mm x 50mm

半岛bd体育手机客户端 参数

Purity[纯度] 99.97%
Support[载体] 0.125 mm Permanent Polyester
Thickness[厚度] 0.0025mm
Typical Analysis(典型分析)
Ag 1 PPM
Al 5 PPM
Ca 4 PPM
Cd 5 PPM
Co 1 PPM
Cr 200 PPM
Cu 8 PPM
Fe 7 PPM
Mg 1 PPM
Mn 1 PPM
Mo 10 PPM
Na 2 PPM
Si 2 PPM
Sn 5 PPM
Electrical Properties(电气特性)
Electrical resistivity ( μOhmcm ) 117@20℃
Temperature coefficient ( K?? ) 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?? ) ( 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?? K?? ) 13.400 @0-100℃
Latent heat of evaporation ( J g?? ) 857
Latent heat of fusion ( J g?? ) 52.00
Melting point ( C ) 271.30
Specific heat ( J K?? kg?? ) 124.0 @25℃
Thermal conductivity ( W m?? K?? ) 7.90 @0-100℃
Atomic Properties(原子属性)
Atomic number 83
Atomic weight ( amu ) 208.98040
Crystal structure Rhombohedral
Electronic structure Xe4f??5d??6s?6p?
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?? ) 9.800 @20℃

其他参数

公差

长度 <100mm ±1mm
≥100mm +2% / -1%
直径 <100mm ±1mm
≥100mm +2% / -1%
厚度 <0.01mm ±25%
≤0.05mm ±15%
>0.05mm ±10%
长度 1 <100mm ±1mm
≥100mm +2% / -1%
长度 2 <100mm ±1mm
≥100mm +2% / -1%
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