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Formula: Ni 77/Fe 14/Cu 5/Mo 4
Form: Powder
Material: MuMetal
Commodity: Alloys
Max Particle Size: 45μm
Production Method: Atomized

Magnetic Shielding Alloy Spherical Powder (Ni77/Fe14/Cu5/Mo4)

Magnetic Shielding Alloy Spherical Powder (Ni77/Fe14/Cu5/Mo4) combines the high permeability and low coercivity of nickel-rich soft magnetic alloys with the advantages of spherical morphology, which enhances flowability, packing density, and uniform sintering behavior. The addition of iron, copper, and molybdenum provides optimized resistivity, reduced eddy current loss, and stable shielding efficiency across both static and alternating magnetic fields. This spherical powder is widely used in additive manufacturing, inductive components, and high-performance shielding composites. Specific applications include the fabrication of custom magnetic shielding structures via powder metallurgy, development of inductors and transformers with low-loss cores, and precision components for aerospace and high-vacuum instrumentation. Research highlights its role in enabling amorphous and nanocrystalline core structures with superior shielding performance and thermal stability. Magnetic Shielding Alloy Spherical Powder (Ni77/Fe14/Cu5/Mo4) therefore holds high value for both research and industrial contexts, advancing next-generation manufacturing and precision electromagnetic protection technologies.
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Tolerances

Powder
Mean Particle Size Nominal
Minimum Particle Size Nominal
Maximum Particle Size Nominal
Maximum Particle Size Nominal
Particle Size D10 Nominal
Particle Size D50 Nominal
Particle Size D90 Nominal

Material Properties for Alloys

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

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