Rare Earth Magnet Basics / Glossary of Magnet Terms / To Magnetize
- To Magnetize
- The job of applying an adequate external magnetic field to a magnetic raw material that has not magnetization until the material is magnetically saturated. Even after the external magnetic field is removed, magnetization remains in the magnet raw materials. It is only at this point that the magnetic material is a permanent magnet. The strength of the external magnetic field required in order to obtain a magnetization state near saturation depends on the magnet type, coercive force (HcJ), and shape. These conditions are called the magnetization characteristic of the magnet. Magnetization methods are the method using a static magnetic field and the method using a pulse magnetic field.
