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材料 >> 金属材料
铌,棒, Nb, 5mm直径, Annealed Temper, 3N
铌,棒, Nb, 5mm直径, Annealed Temper, 3N图片
品牌: Goodfellow
纯度含量: 99.9%
产地: 英国
索取资料及报价
品牌: Goodfellow
纯度含量: 99.9%
产地: 英国
半岛bd体育手机客户端 介绍
订货号 包装规格
Length (Round)
220-159-21 100mm
519-908-24 200mm
988-530-81 500mm
566-359-48 1000mm

半岛bd体育手机客户端 参数

Diameter[直径] 5mm
Length[长度] 100mm - 1000mm
Purity[纯度] 99.9%
Temper[状态] Annealed
Typical Analysis(典型分析)
Al <10 PPM
B 2 PPM
C 25 PPM
Ca <10 PPM
Co <10 PPM
Cr <10 PPM
Cu <10 PPM
Fe <10 PPM
H <10 PPM
Mg <10 PPM
Mn <10 PPM
Mo <10 PPM
N 35 PPM
Ni <10 PPM
O 230 PPM
Si <10 PPM
Sn <10 PPM
Ta 255 PPM
Ti 20 PPM
W <100 PPM
Zr <10 PPM
Mechanical Properties(机械性能)
Bulk modulus ( GPa ) ( Hard ) 170.3
Bulk modulus ( GPa ) ( Soft ) 170.3
Hardness - Vickers ( kgf mm?? ) ( Hard ) 160
Hardness - Vickers ( kgf mm?? ) ( Soft ) 115
Izod toughness ( J m?? ) ( Soft ) 10 - 120
Material condition Hard
Material condition Soft
Poisson's ratio ( Hard ) 0.397
Poisson's ratio ( Soft ) 0.397
Tensile modulus ( GPa ) ( Hard ) 104.90
Tensile modulus ( GPa ) ( Soft ) 104.90
Tensile strength ( MPa ) ( Hard ) 585.00
Tensile strength ( MPa ) ( Soft ) 330.00
Yield strength ( MPa ) ( Hard ) 550.0
Yield strength ( MPa ) ( Soft ) 240.0
Atomic Properties(原子属性)
Atomic number 41
Atomic weight ( amu ) 92.90640
Crystal structure Body Centred Cubic
Electronic structure Kr4d?5s?
Ionisation potential ( No./eV ) 3 / 25.0
Ionisation potential ( No./eV ) 2 / 14.3
Ionisation potential ( No./eV ) 6 / 103
Ionisation potential ( No./eV ) 1 / 6.88
Ionisation potential ( No./eV ) 4 / 38.3
Ionisation potential ( No./eV ) 5 / 50.5
Photo-electric work function ( eV ) 4.30
Thermal neutron absorption cross-section ( Barns ) 1.1500
Valences shown 2 , 3, 4, 5
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10?? K?? ) 7.200 @0-100℃
Latent heat of evaporation ( J g?? ) 7360
Latent heat of fusion ( J g?? ) 290.00
Melting point ( C ) 2468.00
Specific heat ( J K?? kg?? ) 268.0 @25℃
Thermal conductivity ( W m?? K?? ) 53.70 @0-100℃
Electrical Properties(电气特性)
Electrical resistivity ( μOhmcm ) 16@20℃
Superconductivity critical temperature ( K ) 9.2500
Temperature coefficient ( K?? ) 0.00260 @0-100℃
Physical Properties(物理性质)
Boiling point ( C ) 4742
Density ( g cm?? ) 8.570 @20℃

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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