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.
Product showcase
SM Magnetics Develops 2+ Tesla Permanent Magnet Assembly
A 2.2 Tesla permanent magnet assembly built for medical R&D, with 3T and 4T designs in active development for high-field applications without electromagnets.
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Product Showcase: SM Magnetics 2+ Tesla Permanent Magnetic Assembly
A custom 'C' magnet assembly producing more than 2 Tesla in a defined region — built for medical R&D, with 3+ Tesla designs already in development.
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SM Magnetics Toroid Design Achieves Self-Contained Magnetic Field
A high-grade NdFeB toroid engineered to contain its own field — under 100 gauss on the outer diameter, too weak to hold a paperclip.
Read article ›Engineering reference
Halbach Magnet Assemblies & Halbach Arrays: Are They Right For Your Application?
Halbach arrays produce a strong one-sided field, but added cost and assembly complexity mean they aren't always the right choice. Pros, cons, and trade-offs.
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Linear Halbach Magnet Arrays – Benefits & Considerations
Linear Halbach arrays self-shunt the field to one side, but they need high-coercivity materials and careful assembly fixturing to be cost-effective.
Read article ›Motors
Motor Design Considerations
Five questions every engineer should answer before starting a motor design — function, performance specs, budget and milestones, and operating environment.
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Magnets In Harsh Environments
Chemicals, heat, fluids, opposing fields, and sterilization all change the magnet you should specify. A guide to selecting material and coating by environment.
Read article ›Medical
Medical Magnets and the Associated Challenges
Biocompatible coatings, miniature geometries, sterilization, and FDA documentation shape every medical magnet decision. What we work through with customers.
Read article ›Motors
Motor Magnets: Arcs, Squares, Rectangles, and Radial Rings
Neodymium, samarium cobalt, and ferrite each fit different motor designs. A side-by-side look at strength, temperature, cost, and oxidation trade-offs.
Read article ›Materials
Understanding Magnet Grades and Materials Tables
How NdFeB and SmCo grades work — BHmax, the M/H/SH/UH/EH/TH coercivity letters, and the trade-offs between strength, temperature, and cost.
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