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Formula: Fe 55/Ni 45
Form: Foil/Film/Sheet
Material: Iron/Nickel Alloy
Commodity: Alloys
Thickness: 0.1mm

Iron/Nickel Alloy Foil (Fe55/Ni45)

Iron/Nickel Alloy Foil (Fe55/Ni45) is an alloy foil from Goodfellow's range of metal foils. This foil exhibits properties such as high permeability, moderate saturation induction, and low coercivity. Applications of the iron-nickel alloy foil include magnetic shielding for sensitive electrical components and transformers for signal coupling. The precise composition control and uniform thickness of Goodfellow's Fe55/Ni45 foil make it well-suited for these and other applications requiring tailored magnetic properties.
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Tolerances

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

Material Properties for Alloys

Magnetic Properties
Element Value
Initial permeability 6000
Maximum permeability 40000
Coercivity (Hc)( A m⁻¹ ) 8
Curie temperature( C ) 450
Remanence from saturation (Brem)( T ) 1
Saturation Induction( T ) 1.6
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 45
Temperature coefficient( K⁻¹ ) -
Thermal Properties
Element Value
Melting point( C ) 1400-1450
Specific heat( J K⁻¹ kg⁻¹ ) 460@23°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 13@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 7@20-100°C
Physical Properties
Element Value
Density( gcm⁻³ ) 8.25
Mechanical Properties
Element Value
Hardness - Vickers( kgf mm⁻² ) 240
Tensile strength( MPa ) 470

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