neodymium-iron-boron

alloy

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July 1, 2026

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Neodymium-iron-boron (NdFeB) is a type of alloy used to create powerful permanent magnets. These magnets are crucial for high-performance electric motors, generators, computer hard drives, and wind turbines.1

Neodymium (Nd) is a rare-earth metal that is ductile and malleable, with a silvery-white appearance. It readily oxidizes in air. Neodymium is strongly paramagnetic, meaning it exhibits weak magnetism when exposed to an external magnetic field.12

The NdFeB alloy leverages the magnetic properties of neodymium to produce magnets with exceptional strength. These magnets are essential components in modern technology due to their ability to generate strong magnetic fields.1

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magnetism
Fundamentals
Various alloys, like NdFeB (an alloy of neodymium, iron, and boron), keep their domains aligned and are used to make permanent magnets. The strong magnetic field produced by a typical three-millimetre-thick magnet of this material is comparable to an electromagnet made of a copper loop carrying a current…
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Various alloys, like NdFeB (an alloy of neodymium, iron, and boron), keep their domains aligned and are used to make permanent magnets. The strong magnetic field produced by a typical three-millimetre-thick magnet of this material is comparable to an electromagnet made of a copper loop carrying a current…
Read More