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锆,棒, Zr, 38.1mm直径
锆,棒, Zr, 38.1mm直径图片
品牌: Goodfellow
纯度含量: 99.2%
产地: 英国
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品牌: Goodfellow
纯度含量: 99.2%
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)
102-970-98 25mm
400-132-77 50mm
662-743-75 100mm

半岛bd体育手机客户端 参数

Diameter[直径] 38.1mm
Grade[等级] Hafnium > 0.2%
Length[长度] 25mm - 100mm
Production Method[生产方法] Centreless Ground
Purity[纯度] 99.2%
Typical Analysis(典型分析)
C 250 PPM
Cr 200 PPM
Fe 200 PPM
H 10 PPM
Hf 2500 PPM
N 100 PPM
O 1000 PPM
Atomic Properties(原子属性)
Atomic number 40
Atomic weight ( amu ) 91.22000
Crystal structure Hexagonal Close Packed
Electronic structure Kr4d?5s?
Ionisation potential ( No./eV ) 4 / 34.34
Ionisation potential ( No./eV ) 6 / 99
Ionisation potential ( No./eV ) 2 / 13.13
Ionisation potential ( No./eV ) 1 / 6.84
Ionisation potential ( No./eV ) 5 / 81.5
Ionisation potential ( No./eV ) 3 / 22.99
Natural isotope distribution ( Mass No./% ) 96 / 2.8
Natural isotope distribution ( Mass No./% ) 92 / 17.1
Natural isotope distribution ( Mass No./% ) 91 / 11.2
Natural isotope distribution ( Mass No./% ) 94 / 17.5
Natural isotope distribution ( Mass No./% ) 90 / 51.4
Photo-electric work function ( eV ) 3.80
Thermal neutron absorption cross-section ( Barns ) 0.1820
Valences shown 2 ,3,4
Mechanical Properties(机械性能)
Bulk modulus ( GPa ) ( Polycrystalline ) 89.8
Bulk modulus ( GPa ) ( Soft ) 89.8
Hardness - Vickers ( kgf mm?? ) ( Soft ) 85 - 100
Material condition Polycrystalline
Material condition Soft
Poisson's ratio ( Polycrystalline ) 0.380
Poisson's ratio ( Soft ) 0.380
Tensile modulus ( GPa ) ( Polycrystalline ) 98.00
Tensile modulus ( GPa ) ( Soft ) 98.00
Tensile strength ( MPa ) ( Soft ) 350.00 - 390.00
Yield strength ( MPa ) ( Soft ) 250.0 - 310.0
Electrical Properties(电气特性)
Electrical resistivity ( μOhmcm ) 44@20℃
Superconductivity critical temperature ( K ) 0.6100
Temperature coefficient ( K?? ) 0.00440 @0-100℃
Thermal emf against Pt (cold 0C - hot 100C) ( mV ) 1.17
Physical Properties(物理性质)
Boiling point ( C ) 4377
Density ( g cm?? ) 6.490 @20℃
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10?? K?? ) 5.900 @0-100℃
Latent heat of evaporation ( J g?? ) 6360
Latent heat of fusion ( J g?? ) 211.00
Melting point ( C ) 1852.00
Specific heat ( J K?? kg?? ) 281.0 @25℃
Thermal conductivity ( W m?? K?? ) 22.70 @0-100℃

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%

易燃

与火焰接触后点燃的化学品,或与水接触后逸出高度易燃气体的化学品。

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