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Magnets, Explained

Principles, applications and buying guides — straight from the factory.

Magnet Basics Why Magnets Lose Strength: Demagnetization Explained The culprit is almost never age. Heat, opposing fields, the knee and corrosion — four thieves, four diagnostic patterns, four fixes. Applications Magnets in Wind Turbines: Direct-Drive Generator Basics Tonnes of NdFeB per machine, judged on distributions not datasheets. What the heaviest magnet application teaches every buyer. Factory & QC Inside NdFeB Manufacturing: 12 Steps from Raw Alloy to QC Melting, milling, pressing in field, sintering, machining, coating, magnetizing, testing — where every property you buy is won or lost. Magnet Basics Gauss vs Pull Force: How Magnet Strength Is Really Measured Gauss is the field at one point; pull force belongs to the whole setup. Confusing them causes half the mismatched expectations in… Magnet Basics Magnet Coatings Guide: NiCuNi vs Zn vs Epoxy vs E-coating Bare NdFeB corrodes in days — every part wears a coat. Salt-spray numbers, character and choosing rules for the eight standard finishes. Applications Cat-Eye Nail Magnets: How Magnetic Gel Polish Works The little wand in the salon is real magnetics: field lines aligning iron particles in wet gel, frozen by UV light. The… Applications Vape Device Magnets: The Engineering Inside the Pod Click Pod systems won on one gesture — click in, pull out, one-handed. That gesture is a pair of small NdFeB magnets, engineered… Magnet Basics What Is a Halbach Array? One-Sided Flux, Explained Simply Rotate each magnet 90° from its neighbour and the field piles up on one side while the other goes quiet — no… Magnet Basics Magnetization Directions Explained: Axial, Diametric, Multipole Identical magnets behave like different components when magnetized along different axes. The three directions, what each is for, and the rule that… Buying Guide How to Specify a Custom Magnet: The 8 Parameters We Ask For Material, grade, size, tolerance, coating, direction, temperature, quantity. Answer eight questions and any competent factory can quote you the same day.

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