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材料 >> 金属材料
铪,箔, Hf, Annealed Temper, 0.025mm厚
铪,箔, Hf, Annealed Temper, 0.025mm厚图片
品牌: Goodfellow
纯度含量: 97.0%
产地: 英国
索取资料及报价
品牌: Goodfellow
纯度含量: 97.0%
产地: 英国
半岛bd体育手机客户端 介绍
订货号 包装规格
885-514-89 25mm x 25mm
151-754-58 25mm x 50mm
670-117-91 50mm x 50mm
532-109-00 100mm x 100mm
Disc
196-710-37 4mm
588-790-52 6mm
598-823-16 8mm
852-889-77 10mm
611-224-28 15mm
403-027-62 25mm

半岛bd体育手机客户端 参数

Diameter[直径] 4mm - 25mm
Purity[纯度] 97.0%
Temper[状态] Annealed
Thickness[厚度] 0.025mm
Typical Analysis(典型分析)
Al 30 PPM
C 30 PPM
Cr <50 PPM
Cu <50 PPM
Fe 100 PPM
Mg <10 PPM
Mo <10 PPM
N 10 PPM
Nb <50 PPM
O 150 PPM
Ta <100 PPM
Ti 25 PPM
U 0.5 PPM
W <50 PPM
Zr 2.8 Percent
Mechanical Properties(机械性能)
Bulk modulus ( GPa ) ( Hard ) 109.0
Bulk modulus ( GPa ) ( Soft ) 109.0
Hardness - Vickers ( kgf mm?? ) ( Soft ) 150 - 180
Material condition Hard
Material condition Soft
Poisson's ratio ( Hard ) 0.260
Poisson's ratio ( Soft ) 0.260
Tensile modulus ( GPa ) ( Hard ) 141.00
Tensile modulus ( GPa ) ( Soft ) 141.00
Tensile strength ( MPa ) ( Hard ) 745.00
Tensile strength ( MPa ) ( Soft ) 445.00
Yield strength ( MPa ) ( Hard ) 365.0
Yield strength ( MPa ) ( Soft ) 240.0
Atomic Properties(原子属性)
Atomic number 72
Atomic weight ( amu ) 178.49000
Crystal structure Hexagonal Close Packed
Electronic structure Xe4f??5d?6s?
Ionisation potential ( No./eV ) 3 / 23.3
Ionisation potential ( No./eV ) 1 / 7.0
Ionisation potential ( No./eV ) 2 / 14.9
Ionisation potential ( No./eV ) 4 / 33.3
Natural isotope distribution ( Mass No./% ) 179 / 13.8
Natural isotope distribution ( Mass No./% ) 176 / 5.2
Natural isotope distribution ( Mass No./% ) 180 / 35.2
Natural isotope distribution ( Mass No./% ) 174 / 0.2
Natural isotope distribution ( Mass No./% ) 177 / 18.5
Natural isotope distribution ( Mass No./% ) 178 / 27.1
Photo-electric work function ( eV ) 3.90
Thermal neutron absorption cross-section ( Barns ) 103.0000
Valences shown 4
Physical Properties(物理性质)
Boiling point ( C ) 4602
Density ( g cm?? ) 13.100 @20℃
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10?? K?? ) 6.000 @0-100℃
Latent heat of evaporation ( J g?? ) 3700
Latent heat of fusion ( J g?? ) 122.00
Melting point ( C ) 2227.00
Specific heat ( J K?? kg?? ) 146.0 @25℃
Thermal conductivity ( W m?? K?? ) 23.00 @0-100℃
Electrical Properties(电气特性)
Electrical resistivity ( μOhmcm ) 32.2@20℃
Superconductivity critical temperature ( K ) 0.1280
Temperature coefficient ( K?? ) 0.00440 @0-100℃

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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