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材料 >> 金属材料
钐,块, Sm, 25mm Max. Lump Size, 3N
钐,块, Sm, 25mm Max. Lump Size, 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
半岛bd体育手机客户端 介绍

Supplied in 100g bottles only.

订货号 包装规格
Weight
409-307-70 10g
745-047-07 20g
573-432-04 50g

半岛bd体育手机客户端 参数

Maximum Lump Size[] 25mm
Purity[纯度] 99.9%
Weight[重量] 10g - 50g
Typical Analysis(典型分析)
Ca 200 PPM
Fe 50 PPM
Gd 100 PPM
Mg 50 PPM
Si 10 PPM
Y 100 PPM
Mechanical Properties(机械性能)
Bulk modulus ( GPa ) ( Polycrystalline ) 29.9
Material condition Polycrystalline
Poisson's ratio ( Polycrystalline ) 0.310
Tensile modulus ( GPa ) ( Polycrystalline ) 34.10
Tensile strength ( MPa ) ( Polycrystalline ) 124.00
Yield strength ( MPa ) ( Polycrystalline ) 110.0
Atomic Properties(原子属性)
Atomic number 62
Atomic weight ( amu ) 150.36000
Crystal structure Rhombohedral
Electronic structure Xe4f?6s?
Ionisation potential ( No./eV ) 1 / 5.63
Ionisation potential ( No./eV ) 2 / 11.07
Natural isotope distribution ( Mass No./% ) 149 / 13.9
Natural isotope distribution ( Mass No./% ) 144 / 3.1
Natural isotope distribution ( Mass No./% ) 148 / 11.3
Natural isotope distribution ( Mass No./% ) 152 / 26.6
Natural isotope distribution ( Mass No./% ) 147 / 15.1
Natural isotope distribution ( Mass No./% ) 150 / 7.4
Natural isotope distribution ( Mass No./% ) 154 / 22.6
Photo-electric work function ( eV ) 2.70
Thermal neutron absorption cross-section ( Barns ) 5820.0000
Valences shown 2 ,3
Thermal Properties(热性能)
Latent heat of evaporation ( J g?? ) 1280
Latent heat of fusion ( J g?? ) 72.40
Melting point ( C ) 1077.00
Specific heat ( J K?? kg?? ) 180.0 @25℃
Thermal conductivity ( W m?? K?? ) 13.30 @0-100℃
Physical Properties(物理性质)
Boiling point ( C ) 1791
Density ( g cm?? ) 7.536 @20℃
Electrical Properties(电气特性)
Electrical resistivity ( μOhmcm ) 92@20℃
Temperature coefficient ( K?? ) 0.00148 @0-100℃
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