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钽,垫圈, Ta, 3.29mm ID, 6.82mm OD, 0.5mm厚
钽,垫圈, Ta, 3.29mm ID, 6.82mm OD, 0.5mm厚图片
品牌: Goodfellow
产地: 英国
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品牌: Goodfellow
产地: 英国
半岛bd体育手机客户端 介绍
订货号 包装规格
761-525-40 10 Piece
920-133-19 25 Piece
504-790-27 50 Piece

半岛bd体育手机客户端 参数

Inside Diameter[内部直径] 3.29mm
Outside Diameter[外部直径] 6.82mm
Quantity[数量] 10 Piece - 50 Piece
Size[尺寸] M3
Standard[标准] ISO 7089:2000
Thickness[厚度] 0.5mm
Mechanical Properties(机械性能)
Bulk modulus ( GPa ) ( Hard ) 196.3
Bulk modulus ( GPa ) ( Soft ) 196.3
Hardness - Vickers ( kgf mm?? ) ( Hard ) 200
Hardness - Vickers ( kgf mm?? ) ( Soft ) 90
Material condition Hard
Material condition Soft
Poisson's ratio ( Hard ) 0.342
Poisson's ratio ( Soft ) 0.342
Tensile modulus ( GPa ) ( Hard ) 185.70
Tensile modulus ( GPa ) ( Soft ) 185.70
Tensile strength ( MPa ) ( Hard ) 760.00
Tensile strength ( MPa ) ( Soft ) 172.00 - 207.00
Yield strength ( MPa ) ( Hard ) 705.0
Yield strength ( MPa ) ( Soft ) 310.0 - 380.0
Atomic Properties(原子属性)
Atomic number 73
Atomic weight ( amu ) 180.94790
Crystal structure Body Centred Cubic
Electronic structure Xe4f??5d?6s?
Ionisation potential ( No./eV ) 1 / 7.88
Ionisation potential ( No./eV ) 2 / 16.2
Natural isotope distribution ( Mass No./% ) 180 / 0.012
Natural isotope distribution ( Mass No./% ) 181 / 99.988
Photo-electric work function ( eV ) 4.10
Thermal neutron absorption cross-section ( Barns ) 22.0000
Valences shown 2 ,3,4,5
Electrical Properties(电气特性)
Electrical resistivity ( μOhmcm ) 13.5@20℃
Superconductivity critical temperature ( K ) 4.4700
Temperature coefficient ( K?? ) 0.00350 @0-100℃
Thermal emf against Pt (cold 0C - hot 100C) ( mV ) 0.33
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10?? K?? ) 6.500 @0-100℃
Latent heat of evaporation ( J g?? ) 4165
Latent heat of fusion ( J g?? ) 174.00
Melting point ( C ) 2996.00
Specific heat ( J K?? kg?? ) 140.0 @25℃
Thermal conductivity ( W m?? K?? ) 57.50 @0-100
Physical Properties(物理性质)
Boiling point ( C ) 5425
Density ( g cm?? ) 16.600 @20℃
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