What Makes FeNi72 Alloy Powder a Core Material for Precision Magnetic Components

FeNi72 alloy powder, also known as permalloy powder, contains approximately 72% nickel and 28% iron. It is widely recognized for its exceptional magnetic permeability and low coercivity, making it a key material in electronics, sensors, and magnetic shielding components.

Exceptional Soft Magnetic Properties

FeNi72 alloy powder is engineered for:

• Very high initial and maximum magnetic permeability

• Extremely low coercivity and hysteresis loss

• Stable magnetic performance under varying frequencies

These features make it highly suitable for transformers, magnetic cores, and shielding in sensitive instruments.

Precision-Controlled Composition and Morphology

Manufactured via gas atomization, FeNi72 alloy powder offers:

• Spherical morphology for uniform flow and packing

• Tight particle size distribution for consistent sintering

• Controlled composition with minimal impurities for high magnetic efficiency

Compatibility with Advanced Processing Techniques

FeNi72 alloy powder is suitable for:

• Powder metallurgy and metal injection molding (MIM)

• Additive manufacturing for complex electromagnetic parts

• Tape casting and compaction for shielding enclosures and sensors

Main Applications

• Magnetic shielding for medical, aerospace, and communication devices

• Transformer cores and inductor elements

• High-frequency electronic components

• Magnetic sensors and precision electromagnetic actuators

Key Benefits

• High permeability and low core loss

• Uniform and stable magnetic performance

• Suitable for miniaturized and complex geometries

• Consistent quality for batch production and prototyping

Frequently Asked Questions (FAQ)

Q1: What is the typical particle size for FeNi72 alloy powder?
A1: Common size ranges are 15–45 μm or customized per application.

Q2: Is this powder suitable for soft magnetic composite materials?
A2: Yes, its high permeability and spherical morphology make it ideal for soft magnetic composites (SMCs).

Q3: How does FeNi72 compare with FeNi80?
A3: FeNi72 provides a good balance between permeability and mechanical properties, while FeNi80 offers slightly higher magnetic saturation but is less mechanically robust.

Conclusion

FeNi72 Alloy Powder delivers the precision magnetic performance required in today's advanced electronics and sensor systems. With its reliable quality and wide process compatibility, it remains a preferred material across magnetic component manufacturing.

Contact HUAXIAO TECH to request custom specifications or bulk orders for FeNi72 Alloy Powder.