Articles & Research
Notes from the bench.
Plain-language explainers, design references, and published research from the engineering team. Bookmark-worthy if you spec magnets often.
Industry
Recycling Rare Earth Magnet Materials
Recycling NdFeB magnets could stabilize rare-earth supply and cut mining impact — but coatings, logistics, and quality standards still make it a young, costly industry.
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Elemental Iron (Fe): The Fundamental Magnetic Element
Iron is the foundation of magnetic science: where ferromagnetism comes from, why interatomic alignment matters, and the role of the Curie temperature.
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Magnetic 3D Mapping Systems
Inside the custom 3D field mappers SM Magnetics uses — from the Brockhaus 460 to the Senis MMS-1A-RS — and how the data drives design, validation, and final…
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Soft Magnetic Materials: Introduction and Applications — Part 1
Why "soft" describes magnetic behavior, not mechanical hardness — and how soft magnets quietly power motors, transformers, sensors, and almost every appliance you own.
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Soft Magnetic Materials: Key Performance Indicators (KPIs) — Part 2
How to read a B-H curve and which KPIs — coercivity, saturation, permeability, resistivity, magnetostriction, Curie temperature — actually drive soft magnetic performance.
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Soft Magnetic Materials: Current Availability on the Market — Part 3
Iron, Fe-Si, Permalloy, Fe-Co, amorphous and nanocrystalline alloys, SMCs, and ferrites — a market guide showing why no single soft magnetic material wins everywhere.
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Insights on Electromagnets vs Permanent Magnets
Permanent magnets win on close-distance force without power; electromagnets win on switchable, precisely controlled fields. A practical selection guide.
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A Composite Magnet Solution to Improve Hard Disk Drive Performance
A Halbach-array composite magnet design delivers ~5% stronger air-gap field and 3–7% net torque gain in HDD voice coil motors versus conventional configurations.
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Making a Neodymium Magnet — Eleven (Not So) Easy Steps
From raw-material recipe through strip casting, jet milling, sintering, machining, coating, and magnetizing — every step in producing a sintered NdFeB magnet.
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Magnetic Measurements Techniques
A practical tour of the measurement methods SM Magnetics uses every day — Helmholtz coils, hysteresisgraphs, VSMs, field mappers, force testers, and soft magnetic testers.
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