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Magnetic Shielding Alloy Foil (Ni77/Fe14/Cu5/Mo4)

Available Configurations

Properties common to all products in this list

Commodity: Alloys Material: Nickel/Iron/Molybdenum (MuMetal) Form: Foil/Film/Sheet Composition: Ni 77/Fe 14/Cu 5/Mo 4
Magnetic Shielding Alloy Foil (Ni77/Fe14/Cu5/Mo4) is a highly permeable, soft magnetic material designed for efficient suppression of external magnetic interference across a wide range of frequencies. Its optimized balance of nickel, iron, copper, and molybdenum provides low coercivity, stable resistivity, and strong shielding capabilities, particularly after magnetic annealing treatments that enhance local atomic ordering. This foil is extensively used in aerospace, precision instrumentation, and electronics industries, where high-performance magnetic shielding is essential. Specific applications include lining enclosures for satellite payloads, constructing protective layers in superconducting devices, and stabilizing sensitive quantum or photonic measurement setups. Research emphasizes its role in developing next-generation shielding materials tailored for ultra-low-frequency and cryogenic applications. Magnetic Shielding Alloy Foil (Ni77/Fe14/Cu5/Mo4) thus plays a pivotal role in advancing reliable performance and measurement precision, making it indispensable in both scientific innovation and industrial technology.
Starting at $187.00 each
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Material Properties

Mechanical Properties
Element Value
Hardness - Brinell 105-290
Modulus of elasticity( GPa ) 190-221
Izod impact strength( J m⁻¹ ) 42-100
Tensile strength( MPa ) 530-900
Magnetic Properties
Element Value
Initial permeability 60000
Maximum permeability 240000
Coercivity (Hc)( A m⁻¹ ) 1
Curie temperature( C ) 380
Remanence from saturation (Brem)( T ) 0.37
Saturation Induction( T ) 0.77
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 55-62
Physical Properties
Element Value
Density( gcm⁻³ ) 8.8
Thermal Properties
Element Value
Thermal conductivity( W m⁻¹ K⁻¹ ) 30-35@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 13@20-100°C
each

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Available Configurations

Properties common to all products in this list

Commodity: Alloys Material: Nickel/Iron/Molybdenum (MuMetal) Form: Foil Composition: Ni 77/Fe 14/Cu 5/Mo 4

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Tolerances

Foil
Thickness <0.01mm ±25%
Thickness 0.01mm - 0.05mm ±15%
Thickness >0.05mm ±10%
Linear dimension <100mm ±1mm
Linear dimension >=100mm +2 / -1%