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材料 >> 金属材料
铱,线, Ir, 0.25mm直径, As Drawn Temper, 3N
铱,线, Ir, 0.25mm直径, As Drawn Temper, 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
订货号 包装规格
Length (Round)
257-808-67 0.025m
850-625-17 0.05m
989-068-94 0.075m
318-636-07 0.1m
829-502-73 0.2m
691-815-01 0.3m
687-840-25 0.5m
493-837-63 0.75m
976-976-35 1.5m
980-032-57 1m
462-501-48 2m
589-587-52 3m
982-166-25 5m
290-223-16 7.5m
702-309-25 10m

半岛bd体育手机客户端 参数

Diameter[直径] 0.25mm
Length[长度] 0.025m - 10m
Purity[纯度] 99.9%
Temper[状态] As Drawn
Typical Analysis(典型分析)
Ag <1 PPM
Al 7 PPM
Au 2 PPM
Cr 7 PPM
Cu 50 PPM
Fe 300 PPM
Mg 50 PPM
Mn 1 PPM
Ni 30 PPM
Pd 50 PPM
Pt 30 PPM
Rh 70 PPM
Atomic Properties(原子属性)
Atomic number 77
Atomic weight ( amu ) 192.22000
Crystal structure Face Centred Cubic
Electronic structure Xe4f??5d?6s?
Natural isotope distribution ( Mass No./% ) 191 / 37.3
Natural isotope distribution ( Mass No./% ) 193 / 62.7
Photo-electric work function ( eV ) 4.60
Thermal neutron absorption cross-section ( Barns ) 425.0000
Valences shown 3 , 4
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10?? K?? ) 6.800 @0-100℃
Latent heat of evaporation ( J g?? ) 3186
Latent heat of fusion ( J g?? ) 135.00
Melting point ( C ) 2410.00
Specific heat ( J K?? kg?? ) 133.0 @25℃
Thermal conductivity ( W m?? K?? ) 147.00 @0-100℃
Mechanical Properties(机械性能)
Bulk modulus ( GPa ) ( Hard ) 371.0
Bulk modulus ( GPa ) ( Soft ) 371.0
Hardness - Vickers ( kgf mm?? ) ( Hard ) 650
Hardness - Vickers ( kgf mm?? ) ( Soft ) 200 - 300
Material condition Soft
Material condition Hard
Poisson's ratio ( Hard ) 0.260
Poisson's ratio ( Soft ) 0.260
Tensile modulus ( GPa ) ( Hard ) 528.00
Tensile modulus ( GPa ) ( Soft ) 528.00
Tensile strength ( MPa ) ( Hard ) 1200.00
Tensile strength ( MPa ) ( Soft ) 550.00 - 1100.00
Physical Properties(物理性质)
Boiling point ( C ) 4130
Density ( g cm?? ) 22.400 @20℃
Electrical Properties(电气特性)
Electrical resistivity ( μOhmcm ) 5.1@20℃
Superconductivity critical temperature ( K ) 0.1100
Temperature coefficient ( K?? ) 0.00450 @0-100℃
Thermal emf against Pt (cold 0C - hot 100C) ( mV ) 0.65

其他参数

公差

直径 ±10%
长度 +5% / -1%
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