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材料 >> 金属材料
铱,线, Ir, 0.25mm直径, Straight Wire, As Drawn Temper, 3N
铱,线, Ir, 0.25mm直径, Straight Wire, 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
产品介绍
订货号包装规格
Length (Round)
544-572-740.05m
008-033-930.1m
959-511-110.2m
671-731-270.5m
634-309-491m

产品参数

Diameter[直径]0.25mm
Length[长度]0.05m - 1m
Product Shape[形状]Straight Wire
Purity[纯度]99.9%
Temper[状态]As Drawn
Typical Analysis(典型分析)
Ag1 PPM
Al5 PPM
Ba10 PPM
Ca30 PPM
Cu1 PPM
Fe30 PPM
Mg1 PPM
Na20 PPM
Pb30 PPM
Pd20 PPM
Pt20 PPM
Rh200 PPM
Ru5 PPM
Si20 PPM
Atomic Properties(原子属性)
Atomic number77
Atomic weight ( amu )192.22000
Crystal structureFace Centred Cubic
Electronic structureXe4f¹⁴5d⁷6s²
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 shown3 , 4
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ )6.800 @0-100℃
Latent heat of evaporation ( J g⁻¹ )3186
Latent heat of fusion ( J g⁻¹ )135.00
Melting point ( C )2410.00
Specific heat ( J K⁻¹ kg⁻¹ )133.0 @25℃
Thermal conductivity ( W m⁻¹ K⁻¹ )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⁻² ) ( Hard )650
Hardness - Vickers ( kgf mm⁻² ) ( Soft )200 - 300
Material conditionSoft
Material conditionHard
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⁻³ )22.400 @20℃
Electrical Properties(电气特性)
Electrical resistivity ( μOhmcm )5.1@20℃
Superconductivity critical temperature ( K )0.1100
Temperature coefficient ( K⁻¹ )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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