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钬,棒, Ho, 3.8mm直径, 2N
钬,棒, Ho, 3.8mm直径, 2N图片
品牌: Goodfellow
纯度含量: 99.0%
产地: 英国
索取资料及报价
品牌:Goodfellow
纯度含量:99.0%
产地:英国
产品介绍

Tolerance on diameter : +/-20%.

订货号包装规格
Length (Round)
925-512-5950mm
689-070-11100mm
133-767-85200mm

产品参数

Diameter[直径]3.8mm
Length[长度]50mm - 200mm
Purity[纯度]99.0%
Electrical Properties(电气特性)
Electrical resistivity ( μOhmcm )94@20℃
Temperature coefficient ( K⁻¹ )0.00171 @0-100℃
Physical Properties(物理性质)
Boiling point ( C )2695
Density ( g cm⁻³ )8.803 @20℃
Atomic Properties(原子属性)
Atomic number67
Atomic weight ( amu )164.93040
Crystal structureHexagonal Close Packed
Electronic structureXe4f¹¹6s²
Ionisation potential ( No./eV )2 / 11.80
Ionisation potential ( No./eV )1 / 6.02
Thermal neutron absorption cross-section ( Barns )65.0000
Valences shown3
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ )9.500 @0-400℃
Latent heat of evaporation ( J g⁻¹ )1695
Latent heat of fusion ( J g⁻¹ )104.00
Melting point ( C )1474.00
Specific heat ( J K⁻¹ kg⁻¹ )165.0 @25℃
Thermal conductivity ( W m⁻¹ K⁻¹ )16.20 @0-100℃
Mechanical Properties(机械性能)
Bulk modulus ( GPa ) ( Polycrystalline )40.5
Hardness - Vickers ( kgf mm⁻² ) ( Polycrystalline )60
Material conditionPolycrystalline
Poisson's ratio ( Polycrystalline )0.225
Tensile modulus ( GPa ) ( Polycrystalline )66.90
Tensile strength ( MPa ) ( Polycrystalline )262.00
Yield strength ( MPa ) ( Polycrystalline )221.0

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%

易燃

与火焰接触后点燃的化学品,或与水接触后逸出高度易燃气体的化学品。

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