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铼箔, Re, Annealed Temper, 1mm? 4N
铼箔, Re, Annealed Temper, 1mm? 4N图片
品牌: Goodfellow
纯度含量: 99.99%
产地: 英国
索取资料及报件/span>
品牌: Goodfellow
纯度含量: 99.99%
产地: 英国
产品介绍

Tolerance on thickness : +/-20%.

订货叶/strong> 包装规格
Disc
958-347-28 12mm

产品参数

Diameter[直径] 12mm
Purity[纯度] 99.99%
Temper[状态] Annealed
Thickness[厚度] 1mm
Typical Analysis(典型分析)
Al 3 PPM
B 1 PPM
Ca 1 PPM
Co 3 PPM
Cr 3 PPM
Cu 2 PPM
Fe 45 PPM
K 1 PPM
Mg 1 PPM
Mn 2 PPM
Mo 30 PPM
Ni 3 PPM
Ti 2 PPM
W 1 PPM
Zr 2 PPM
Atomic Properties(原子属?
Atomic number 75
Atomic weight ( amu ) 186.20700
Crystal structure Hexagonal Close Packed
Electronic structure Xe4f??5d?6s?
Ionisation potential ( No./eV ) 1 / 7.87
Ionisation potential ( No./eV ) 2 / 16.6
Natural isotope distribution ( Mass No./% ) 187 / 62.6
Natural isotope distribution ( Mass No./% ) 185 / 37.4
Photo-electric work function ( eV ) 5.00
Thermal neutron absorption cross-section ( Barns ) 85.0000
Valences shown -1 ,1,2,3,4,5,6,7
Mechanical Properties(机械性能)
Bulk modulus ( GPa ) ( Hard ) 334.0
Bulk modulus ( GPa ) ( Soft ) 334.0
Hardness - Vickers ( kgf mm?? ) ( Hard ) 700
Hardness - Vickers ( kgf mm?? ) ( Soft ) 280
Material condition Soft
Material condition Hard
Poisson's ratio ( Hard ) 0.260
Poisson's ratio ( Soft ) 0.260
Tensile modulus ( GPa ) ( Hard ) 466.00
Tensile modulus ( GPa ) ( Soft ) 466.00
Tensile strength ( MPa ) ( Hard ) 2225.00
Tensile strength ( MPa ) ( Soft ) 1125.00
Yield strength ( MPa ) ( Hard ) 2150.0
Yield strength ( MPa ) ( Soft ) 315.0
Electrical Properties(电气特?
Electrical resistivity ( μOhmcm ) 18.7@20ℂ/td>
Superconductivity critical temperature ( K ) 1.7000
Temperature coefficient ( K?? ) 0.00450 @0-100ℂ/td>
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10?? K?? ) 6.600 @0-100ℂ/td>
Latent heat of evaporation ( J g?? ) 3824
Latent heat of fusion ( J g?? ) 179.90
Melting point ( C ) 3180.00
Specific heat ( J K?? kg?? ) 138.0 @25
Thermal conductivity ( W m?? K?? ) 48.00 @0-100ℂ/td>
Physical Properties(物理性质)
Boiling point ( C ) 5627
Density ( g cm?? ) 21.000 @20

其他参数

公差

长度 <100mm 1mm
?00mm +2% / -1%
直径 <100mm 1mm
?00mm +2% / -1%
厚度 <0.01mm 25%
?.05mm 15%
>0.05mm 10%
长度 1 <100mm 1mm
?00mm +2% / -1%
长度 2 <100mm 1mm
?00mm +2% / -1%
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