Iron/Nickel Alloy Foil (Fe52/Ni48)

Iron Nickel Alloy Foil (Fe52/Ni48) provides a balance of mechanical resilience, corrosion resistance, and uniform magnetic behavior in a thin, flexible format. Its composition supports low thermal expansion and high soft-magnetic performance, making it highly effective in electronics, aerospace, and precision instrumentation. Applications include electromagnetic shielding, flexible interconnects, and substrates for thin-film deposition. Research uses span studies of magnetic anisotropy in foils, microetching for high-resolution devices, and performance optimization in sensor platforms. The foil form allows fine-scale cutting, layering, and integration into microelectronic assemblies, ensuring reproducible results in experimental and industrial contexts. This combination of versatility and stability positions it as an indispensable material for advanced technologies and magnetic systems.

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Tolerance

Properties

Reference & Citations

each

Tolerances

Foil

Thickness	<0.01mm	±25%
Thickness	0.01mm - 0.05mm	±25%
Thickness	>0.05mm	±10%

Material Properties for Alloys

Mechanical Properties

Element	Value
Elongation at break( % )	<30
Modulus of elasticity( GPa )	248
Tensile strength( MPa )	450-550

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	49
Temperature coefficient( K⁻¹ )	-

Thermal Properties

Element	Value
Maximum use temperature in air( C )	450
Melting point( C )	1450
Specific heat( J K⁻¹ kg⁻¹ )	502@23°C
Thermal conductivity( W m⁻¹ K⁻¹ )	16.7@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	8.5@20-100°C