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铼,线, Re, 0.25mm直径, Annealed Temper
品牌:Goodfellow
纯度含量:99.97%
产地:英国


产品介绍
订货号包装规格
Length (Round)
578-639-310.1m
329-914-860.2m
239-361-040.5m
920-127-451m
015-925-132m

产品参数

Diameter[直径]0.25mm
Length[长度]0.1m - 2m
Purity[纯度]99.97%
Temper[状态]Annealed
Typical Analysis(典型分析)
Al3 PPM
B1 PPM
Ca1 PPM
Co10 PPM
Cr3 PPM
Cu2 PPM
Fe60 PPM
K1 PPM
Mg1 PPM
Mn2 PPM
Mo30 PPM
Ni10 PPM
Ti2 PPM
W10 PPM
Zr2 PPM
Atomic Properties(原子属性)
Atomic number75
Atomic weight ( amu )186.20700
Crystal structureHexagonal Close Packed
Electronic structureXe4f¹⁴5d⁵6s²
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⁻² ) ( Hard )700
Hardness - Vickers ( kgf mm⁻² ) ( Soft )280
Material conditionSoft
Material conditionHard
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(电气特性)
Electrical resistivity ( μOhmcm )18.7@20℃
Superconductivity critical temperature ( K )1.7000
Temperature coefficient ( K⁻¹ )0.00450 @0-100℃
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ )6.600 @0-100℃
Latent heat of evaporation ( J g⁻¹ )3824
Latent heat of fusion ( J g⁻¹ )179.90
Melting point ( C )3180.00
Specific heat ( J K⁻¹ kg⁻¹ )138.0 @25
Thermal conductivity ( W m⁻¹ K⁻¹ )48.00 @0-100℃
Physical Properties(物理性质)
Boiling point ( C )5627
Density ( g cm⁻³ )21.000 @20

其他参数

公差

直径±10%
长度+5% / -1%
Goodfellow(顾特服)
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