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铪,溅射靶材, Hf, 3mm厚
铪,溅射靶材, Hf, 3mm厚图片
品牌:Goodfellow
纯度含量:97.0%
产地:英国


产品介绍

These targets are normally available for immediate shipment from stock. Other sizes are available to special order.

订货号包装规格
Disc
854-589-5425.4mm
728-182-1950mm

产品参数

Diameter[直径]25.4mm - 75mm
Purity[纯度]97.0%
Thickness[厚度]3mm
Typical Analysis(典型分析)
Al30 PPM
C30 PPM
Cr<50 PPM
Cu<50 PPM
Fe100 PPM
Mg<10 PPM
Mo<10 PPM
N10 PPM
Nb<50 PPM
O150 PPM
Ta<100 PPM
Ti25 PPM
U0.5 PPM
W<50 PPM
Zr2.8 Percent
Mechanical Properties(机械性能)
Bulk modulus ( GPa ) ( Hard )109.0
Bulk modulus ( GPa ) ( Soft )109.0
Hardness - Vickers ( kgf mm⁻² ) ( Soft )150 - 180
Material conditionHard
Material conditionSoft
Poisson's ratio ( Hard )0.260
Poisson's ratio ( Soft )0.260
Tensile modulus ( GPa ) ( Hard )141.00
Tensile modulus ( GPa ) ( Soft )141.00
Tensile strength ( MPa ) ( Hard )745.00
Tensile strength ( MPa ) ( Soft )445.00
Yield strength ( MPa ) ( Hard )365.0
Yield strength ( MPa ) ( Soft )240.0
Atomic Properties(原子属性)
Atomic number72
Atomic weight ( amu )178.49000
Crystal structureHexagonal Close Packed
Electronic structureXe4f¹⁴5d²6s²
Ionisation potential ( No./eV )3 / 23.3
Ionisation potential ( No./eV )1 / 7.0
Ionisation potential ( No./eV )2 / 14.9
Ionisation potential ( No./eV )4 / 33.3
Natural isotope distribution ( Mass No./% )179 / 13.8
Natural isotope distribution ( Mass No./% )176 / 5.2
Natural isotope distribution ( Mass No./% )180 / 35.2
Natural isotope distribution ( Mass No./% )174 / 0.2
Natural isotope distribution ( Mass No./% )177 / 18.5
Natural isotope distribution ( Mass No./% )178 / 27.1
Photo-electric work function ( eV )3.90
Thermal neutron absorption cross-section ( Barns )103.0000
Valences shown4
Physical Properties(物理性质)
Boiling point ( C )4602
Density ( g cm⁻³ )13.100 @20℃
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ )6.000 @0-100℃
Latent heat of evaporation ( J g⁻¹ )3700
Latent heat of fusion ( J g⁻¹ )122.00
Melting point ( C )2227.00
Specific heat ( J K⁻¹ kg⁻¹ )146.0 @25℃
Thermal conductivity ( W m⁻¹ K⁻¹ )23.00 @0-100℃
Electrical Properties(电气特性)
Electrical resistivity ( μOhmcm )32.2@20℃
Superconductivity critical temperature ( K )0.1280
Temperature coefficient ( K⁻¹ )0.00440 @0-100℃

其他参数

公差

直径±0.5mm
厚度±0.5mm
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