What is a permanent magnet material?

Permanent magnets have the property of retaining their magnetic properties even after the external magnetic field is removed, and once magnetized, their magnetic properties remain constant. Unlike electromagnets, which return to their original state when power is lost, permanent magnets remain magnetically stable in the absence of electricity. In addition to these properties, permanent magnets possess high coercive force (the ability to maintain their magnetic properties against external magnetic fields) and a wide temperature range, making them suitable materials for use in harsh environments where temperatures often change.

Common Permanent Magnetic Materials

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