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铌,溅射靶材, Nb, 50.8mm直径, 2mm厚, 3N
铌,溅射靶材, Nb, 50.8mm直径, 2mm厚, 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
产品介绍

These targets are normally available for immediate shipment from stock. Other sizes are available to special order.

订货号包装规格
Disc
789-254-1650.8mm

产品参数

Diameter[直径]50.8mm
Purity[纯度]99.9%
Thickness[厚度]2mm
Typical Analysis(典型分析)
B<10 PPM
C25 PPM
Cu<5 PPM
Fe30 PPM
H<10 PPM
Mo10 PPM
N20 PPM
Ni<5 PPM
O100 PPM
Si100 PPM
Ta500 PPM
Ti<10 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⁻² ) ( Hard )160
Hardness - Vickers ( kgf mm⁻² ) ( Soft )115
Izod toughness ( J m⁻¹ ) ( Soft )10 - 120
Material conditionHard
Material conditionSoft
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 number41
Atomic weight ( amu )92.90640
Crystal structureBody Centred Cubic
Electronic structureKr4d⁴5s¹
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 shown2 , 3, 4, 5
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ )7.200 @0-100℃
Latent heat of evaporation ( J g⁻¹ )7360
Latent heat of fusion ( J g⁻¹ )290.00
Melting point ( C )2468.00
Specific heat ( J K⁻¹ kg⁻¹ )268.0 @25℃
Thermal conductivity ( W m⁻¹ K⁻¹ )53.70 @0-100℃
Electrical Properties(电气特性)
Electrical resistivity ( μOhmcm )16@20℃
Superconductivity critical temperature ( K )9.2500
Temperature coefficient ( K⁻¹ )0.00260 @0-100℃
Physical Properties(物理性质)
Boiling point ( C )4742
Density ( g cm⁻³ )8.570 @20℃

其他参数

公差

直径±0.5mm
厚度±0.5mm
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