Electric vehicles are changing how the world moves, and at the center of nearly every EV is a compact, powerful electric motor. Inside that motor, one component does more than almost any other to determine efficiency, power, and range: the permanent magnet. Here’s why high-performance magnets matter so much in EV motors, and what they…
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If you’ve looked at a neodymium magnet datasheet, you’ve seen grade names like N35, N52, 42SH, or 38UH. They can look like random codes, but they follow a simple system. Once you understand it, choosing the right magnet for your design becomes much easier. The two parts of a grade name Every NdFeB grade name…
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When engineers need a strong permanent magnet, the choice usually comes down to two rare-earth materials: neodymium iron boron (NdFeB) and samarium cobalt (SmCo). Both are far stronger than ferrite or alnico magnets, but they behave very differently under heat, moisture, and cost pressure. Choosing the wrong one can lead to lost performance, early failure,…
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