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?? Eu, 6mm直径
?? Eu, 6mm直径图片
品牌: Goodfellow
产地: 英国
索取资料及报件/span>
品牌: Goodfellow
产地: 英国
产品介绍
订货叶/strong> 包装规格
Length (Round)
293-283-74 20 mm

产品参数

Diameter[直径] 6mm
Length[长度] 20 mm
Electrical Properties(电气特?
Electrical resistivity ( μOhmcm ) 90@25ℂ/td>
Temperature coefficient ( K?? ) 0.00480 @0-100ℂ/td>
Atomic Properties(原子属?
Atomic number 63
Atomic weight ( amu ) 151.96000
Crystal structure Body Centred Cubic
Electronic structure Xe4f?6s?
Ionisation potential ( No./eV ) 1 / 5.67
Ionisation potential ( No./eV ) 2 / 11.25
Natural isotope distribution ( Mass No./% ) 153 / 52.2
Natural isotope distribution ( Mass No./% ) 151 / 47.8
Photo-electric work function ( eV ) 2.50
Thermal neutron absorption cross-section ( Barns ) 4100.0000
Valences shown 2 , 3
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10?? K?? ) 32.000 @0-100ℂ/td>
Latent heat of evaporation ( J g?? ) 1155
Latent heat of fusion ( J g?? ) 63.40
Melting point ( C ) 822.00
Specific heat ( J K?? kg?? ) 176.0 @25ℂ/td>
Thermal conductivity ( W m?? K?? ) 13.90 @0-100ℂ/td>
Mechanical Properties(机械性能)
Bulk modulus ( GPa ) ( Polycrystalline ) 12.1
Hardness - Vickers ( kgf mm?? ) ( Polycrystalline ) 20
Material condition Polycrystalline
Poisson's ratio ( Polycrystalline ) 0.286
Tensile modulus ( GPa ) ( Polycrystalline ) 14.70
Physical Properties(物理性质)
Boiling point ( C ) 1597
Density ( g cm?? ) 5.243 @25ℂ/td>

其他参数

公差

直径 ?0mm 10%
聚合?/td> +20% / -10%
陶瓷 +20% / -10%
>10mm 5%
陶瓷 +20% / -10%
聚合?/td> +20% / -10%
长度 <100mm 1mm
?00mm +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、/p>

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