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Formula: Ni 77/Fe 14/Cu 5/Mo 4
Form: Rod
Material: Nickel/Iron/Molybdenum (MuMetal)
Commodity: Alloys
Magnetic Shielding Alloy Rod (Ni77/Fe14/Cu5/Mo4) is a soft magnetic material optimized for high permeability, low coercivity, and excellent magnetic shielding performance. The combination of nickel, iron, copper, and molybdenum provides enhanced resistivity, reduces eddy current losses, and ensures stability under annealing treatments, enabling reliable performance in static and dynamic fields. This rod is widely applied in aerospace systems, medical imaging devices, and advanced electronics, where suppression of magnetic interference is vital. Specific uses include components in MRI scanner shielding, protective structures for satellite instrumentation, and stabilizers for sensitive precision measurement systems. Research has demonstrated its effectiveness in achieving high permeability and minimizing magnetic domain stress effects, highlighting its importance in the development of advanced shielding materials. Magnetic Shielding Alloy Rod (Ni77/Fe14/Cu5/Mo4) thus represents a critical material for both industry and research, enabling accurate performance in demanding environments and supporting the advancement of next-generation magnetic shielding technologies.
Health hazard/Hazardous to the ozone layer
Serious health hazard
Tolerances
Rod
| Diameter | =<10mm | ±10% |
|---|---|---|
| Diameter | >10mm | ±5% |
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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