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Formula: Co
Form: Foil/Film/Sheet
Material: Cobalt
CAS Number: 7440-48-4
Commodity: Metals

Cobalt Foil

Cobalt Foil, also known as cobalt metal sheet, is a high-performance material characterized by its excellent mechanical properties, including high tensile strength and resistance to wear and corrosion. This material is particularly noted for its magnetic properties, making it ideal for applications in the electronics and aerospace industries. In the electronics sector, cobalt foil is used in the manufacturing of magnetic storage devices and sensors due to its superior magnetic permeability and stability. The aerospace industry benefits from cobalt foil’s high-temperature resistance and durability, employing it in turbine blades and engine components. Additionally, cobalt foil is utilized in the chemical industry for catalysts and battery electrodes, where its resistance to corrosive environments is crucial. Goodfellow offers this advanced material, ensuring it meets the stringent requirements of these high-tech industries. The unique combination of properties in Cobalt Foil makes it a versatile solution for various demanding applications, and Goodfellow’s commitment to quality guarantees its reliability and performance.
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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
Mechanical Properties
Electrical Properties
Physical Properties
Thermal Properties
Atomic Properties
Element Value
Atomic number 27
Crystal structure Hexagonal close packed
Electronic structure Ar 3d⁷ 4s²
Valences shown 2, 3
Atomic weight( amu ) 58.9332
Thermal neutron absorption cross-section( Barns ) 37.5
Photo-electric work function( eV ) 5
Atomic radius - Goldschmidt( nm ) 0.125
Ionisation potential( No./eV ) 2/ 17.06
Ionisation potential( No./eV ) 4/ 51.3
Ionisation potential( No./eV ) 3/ 33.5
Ionisation potential( No./eV ) 1/ 79.5
Ionisation potential( No./eV ) 1/ 79.5
Ionisation potential( No./eV ) 6/ 102
Mechanical Properties
Element Value
Material condition Hard
Material condition Soft
Poisson's ratio 0.32
Poisson's ratio 0.32
Bulk modulus( GPa ) 181.5
Bulk modulus( GPa ) 181.5
Tensile modulus( GPa ) 211
Tensile modulus( GPa ) 211
Hardness - Vickers( kgf mm⁻² ) 320
Hardness - Vickers( kgf mm⁻² ) 170
Tensile strength( MPa ) 1135
Tensile strength( MPa ) 760
Yield strength( MPa ) 345-485
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 6.34@20@20°C
Temperature coefficient( K⁻¹ ) 0.0066@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV ) -1.33
Physical Properties
Element Value
Boiling point( C ) 2870
Density( gcm⁻³ ) 8.9@20°C
Thermal Properties
Element Value
Melting point( C ) 1495
Latent heat of evaporation( J g⁻¹ ) 6490
Latent heat of fusion( J g⁻¹ ) 263
Specific heat( J K⁻¹ kg⁻¹ ) 456@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 100@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 12.5@0-100°C

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