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?? Gd, 6.35mm直径, 2N
?? Gd, 6.35mm直径, 2N图片
品牌: Goodfellow
纯度含量: 99.0%
产地: 英国
索取资料及报件/span>
品牌: Goodfellow
纯度含量: 99.0%
产地: 英国
产品介绍

Tolerance on diameter : +/-20%.

订货叶/strong> 包装规格
Length (Round)
151-743-90 50mm
967-998-75 100mm

产品参数

Diameter[直径] 6.35mm
Length[长度] 50mm - 100mm
Production Method[生产方法] Cast
Purity[纯度] 99.0%
Atomic Properties(原子属?
Atomic number 64
Atomic weight ( amu ) 157.25000
Crystal structure Hexagonal Close Packed
Electronic structure Xe4f?5d?6s?
Ionisation potential ( No./eV ) 2 / 12.1
Ionisation potential ( No./eV ) 1 / 6.14
Natural isotope distribution ( Mass No./% ) 160 / 21.8
Natural isotope distribution ( Mass No./% ) 155 / 14.8
Natural isotope distribution ( Mass No./% ) 157 / 15.7
Natural isotope distribution ( Mass No./% ) 152 / 0.2
Natural isotope distribution ( Mass No./% ) 158 / 24.8
Natural isotope distribution ( Mass No./% ) 156 / 20.5
Natural isotope distribution ( Mass No./% ) 154 / 2.2
Photo-electric work function ( eV ) 3.10
Thermal neutron absorption cross-section ( Barns ) 49000.0000
Valences shown 3
Mechanical Properties(机械性能)
Bulk modulus ( GPa ) ( Polycrystalline ) 39.1
Hardness - Vickers ( kgf mm?? ) ( Polycrystalline ) 55
Material condition Polycrystalline
Poisson's ratio ( Polycrystalline ) 0.260
Tensile modulus ( GPa ) ( Polycrystalline ) 56.20
Tensile strength ( MPa ) ( Polycrystalline ) 193.00
Yield strength ( MPa ) ( Polycrystalline ) 179.0
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10?? K?? ) 6.400 @0-100ℂ/td>
Latent heat of evaporation ( J g?? ) 1920
Latent heat of fusion ( J g?? ) 98.70
Melting point ( C ) 1313.00
Specific heat ( J K?? kg?? ) 230.0 @25ℂ/td>
Thermal conductivity ( W m?? K?? ) 10.50 @0-100ℂ/td>
Physical Properties(物理性质)
Boiling point ( C ) 3266
Density ( g cm?? ) 7.895 @25ℂ/td>
Electrical Properties(电气特?
Electrical resistivity ( μOhmcm ) 134@20ℂ/td>
Temperature coefficient ( K?? ) 0.00176 @0-100ℂ/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%
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