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Grade: Hafnium > 0.2%
Formula: Zr
Form: Foil/Film/Sheet
Material: Zirconium
CAS Number: 7440-67-7
Commodity: Metals
Purity: 99.2%
Temper: Annealed
Thickness: 1mm

Hafnium > 0.2% Zirconium Foil

Zirconium Foil with > 0.2% Hafnium offers excellent corrosion resistance, thermal stability, and resilience under high-temperature and chemically reactive environments. These properties make it well-suited for aerospace and automotive component testing. In research and laboratory settings, it is used for hydrogen diffusion experiments, surface reactivity assessments, and fuel environment simulations. The foil also supports thin-film vacuum deposition processes and applications requiring mechanical integrity under thermal and chemical stress. This alloy contributes to advancements in energy systems, high-performance alloys, and the broader field of materials science by enabling precise evaluation under extreme conditions.
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Tolerances

Foil/Film/Sheet
Thickness <0.01mm ±25%
Thickness 0.01mm - 0.05mm ±15%
Thickness >0.05mm ±10%

Material Properties for Metals

Atomic Properties
Element Value
Atomic number 40
Crystal structure Hexagonal close packed
Electronic structure Kr 4d² 5s²
Valences shown 2,3,4
Atomic weight( amu ) 91.22
Thermal neutron absorption cross-section( Barns ) 0.182
Photo-electric work function( eV ) 3.8
Natural isotope distribution( Mass No./% ) 96/ 2.8
Natural isotope distribution( Mass No./% ) 92/ 17.1
Natural isotope distribution( Mass No./% ) 91/ 11.2
Natural isotope distribution( Mass No./% ) 94/ 17.5
Natural isotope distribution( Mass No./% ) 90/ 51.4
Atomic radius - Goldschmidt( nm ) 0.16
Ionisation potential( No./eV ) 4/ 34.34
Ionisation potential( No./eV ) Jun-99
Ionisation potential( No./eV ) 2/ 13.13
Ionisation potential( No./eV ) 1/ 6.84
Ionisation potential( No./eV ) 5/ 81.5
Ionisation potential( No./eV ) 3/ 22.99
Mechanical Properties
Element Value
Material condition Polycrystalline
Material condition Soft
Poisson's ratio 0.38
Poisson's ratio 0.38
Bulk modulus( GPa ) 89.8
Bulk modulus( GPa ) 89.8
Tensile modulus( GPa ) 98
Tensile modulus( GPa ) 98
Hardness - Vickers( kgf mm⁻² ) 85-100
Tensile strength( MPa ) 350-390
Yield strength( MPa ) 250-310
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 44@20@20°C
Superconductivity critical temperature( K ) 0.61
Temperature coefficient( K⁻¹ ) 0.0044@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV ) 1.17
Physical Properties
Element Value
Boiling point( C ) 4377
Density( gcm⁻³ ) 6.49@20°C
Thermal Properties
Element Value
Melting point( C ) 1852
Latent heat of evaporation( J g⁻¹ ) 6360
Latent heat of fusion( J g⁻¹ ) 211
Specific heat( J K⁻¹ kg⁻¹ ) 281@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 22.7@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 5.9@0-100°C

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