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材料 >> 金属材料
碳,棒, C, 5mm 直径
碳,棒, C, 5mm 直径图片
品牌: Goodfellow
纯度含量: 99.997%
产地: 英国
索取资料及报价
品牌:Goodfellow
纯度含量:99.997%
产地:英国
产品介绍
订货号包装规格
Length (Round)
778-881-21100 mm
360-152-30150 mm
019-040-15300 mm

产品参数

Diameter[直径]5mm
Grade[等级]Graphite
Length[长度]100 mm - 300 mm
Particle Size[粒径]Ultrafine 1-5 Microns
Purity[纯度]99.997%
Typical Analysis(典型分析)
Al0.2 PPM
B1 PPM
Ca0.05 PPM
Cu0.01 PPM
Fe0.2 PPM
Mg0.05 PPM
Na0.02 PPM
Si1 PPM
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ )0.600 - 4.300 @0-100℃
Melting point ( C )3650.00
Specific heat ( J K⁻¹ kg⁻¹ )712.0 @25℃
Thermal conductivity ( W m⁻¹ K⁻¹ )80.00 - 240.00 @0-100℃
Mechanical Properties(机械性能)
Bulk modulus ( GPa ) ( Diamond )542.0
Bulk modulus ( GPa ) ( Graphite )33.0
Hardness - Mohs ( Diamond )10.00
Hardness - Mohs ( Graphite )0.50 - 1.00
Material conditionDiamond
Material conditionGraphite
Tensile modulus ( GPa ) ( Graphite )4.80
Atomic Properties(原子属性)
Atomic number6
Atomic weight ( amu )12.01100
Crystal structureHexagonal/Diamond
Electronic structureHe2s²2p²
Ionisation potential ( No./eV )6 / 490
Ionisation potential ( No./eV )4 / 64.5
Ionisation potential ( No./eV )1 / 11.26
Ionisation potential ( No./eV )3 / 47.9
Ionisation potential ( No./eV )2 / 24.38
Ionisation potential ( No./eV )5 / 392
Natural isotope distribution ( Mass No./% )12 / 98.89
Natural isotope distribution ( Mass No./% )13 / 1.11
Photo-electric work function ( eV )4.80
Thermal neutron absorption cross-section ( Barns )0.0034
Valences shown2 , 3, 4
Physical Properties(物理性质)
Boiling point ( C )5000
Density ( g cm⁻³ )2.250 @20℃
Electrical Properties(电气特性)
Electrical resistivity ( μOhmcm )1375@0℃
Thermal emf against Pt (cold 0C - hot 100C) ( mV )0.70

其他参数

公差

直径≤10mm±10%
聚合物+20% / -10%
陶瓷+20% / -10%
>10mm±5%
陶瓷+20% / -10%
聚合物+20% / -10%
长度<100mm±1mm
≥100mm+5% / -1%
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