铜泡�? Cu, 23mm 直径, 4mm厙�/title>

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铜泡�? Cu, 23mm 直径, 4mm厙�/div>

铜泡�? Cu, 23mm 直径, 4mm厚图�?></a></div> <span style=

品牌: Goodfellow
产地: 英国
索取资料及报件�/span>


品牌:	Goodfellow
产地:	英国

产品介绍

Emmisivity: Approx 0.7

订货叶�/strong>	包装规格
Disc
331-587-52	23mm

产品参数

Bulk Density[容积密度]	3.32g.cm??
Coating[涂层]	High Temperature Black Copper Oxide
Diameter[直径]	23mm
Oxide Layer Thickness[氧化层厚度]	Approx 90 Angstroms
Porosity[孔隙度]	63%
Thickness[厚度]	4mm
Mechanical Properties(机械性能)
Bulk modulus ( GPa ) ( Hard )	137.8
Bulk modulus ( GPa ) ( Soft )	137.8
Hardness - Vickers ( kgf mm?? ) ( Hard )	87
Hardness - Vickers ( kgf mm?? ) ( Soft )	49
Izod toughness ( J m?? ) ( Hard )	68
Izod toughness ( J m?? ) ( Soft )	58
Material condition	Soft
Material condition	Hard
Poisson's ratio ( Hard )	0.343
Poisson's ratio ( Soft )	0.343
Tensile modulus ( GPa ) ( Hard )	129.80
Tensile modulus ( GPa ) ( Soft )	129.80
Tensile strength ( MPa ) ( Hard )	314.00
Tensile strength ( MPa ) ( Soft )	224.00
Yield strength ( MPa ) ( Hard )	270.0
Yield strength ( MPa ) ( Soft )	54.0
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10?? K?? )	17.000 @0-100ℂ�/td>
Latent heat of evaporation ( J g?? )	4796
Latent heat of fusion ( J g?? )	205.00
Melting point ( C )	1083.00
Specific heat ( J K?? kg?? )	385.0 @25ℂ�/td>
Thermal conductivity ( W m?? K?? )	401.00 @0-100ℂ�/td>
Electrical Properties(电气特�?
Electrical resistivity ( μOhmcm )	1.69@20ℂ�/td>
Temperature coefficient ( K?? )	0.00430 @0-100ℂ�/td>
Thermal emf against Pt (cold 0C - hot 100C) ( mV )	0.76
Atomic Properties(原子属�?
Atomic number	29
Atomic weight ( amu )	63.54600
Crystal structure	Face Centred Cubic
Electronic structure	Ar3d??4s?
Ionisation potential ( No./eV )	4 / 55.2
Ionisation potential ( No./eV )	6 / 103
Ionisation potential ( No./eV )	1 / 7.73
Ionisation potential ( No./eV )	5 / 79.9
Ionisation potential ( No./eV )	3 / 36.8
Ionisation potential ( No./eV )	2 / 20.29
Natural isotope distribution ( Mass No./% )	65 / 30.8
Natural isotope distribution ( Mass No./% )	63 / 69.2
Photo-electric work function ( eV )	4.50
Thermal neutron absorption cross-section ( Barns )	3.8000
Valences shown	1 , 2
Physical Properties(物理性质)
Boiling point ( C )	2567
Density ( g cm?? )	8.960 @20ℂ�/td>