| Customization: | Available |
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| Certification: | RoHS |
| Type: | Permanent |
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Compared with other permanent magnets like Neodymium Magnets, SmCo Magnets, and AlNiCo Magnets, Ferrite Magnets are hard and brittle and have lower magnetic energy. However, they are not easy to demagnetize and to be corroded, and the production process is simple and low in price. Therefore, ferrite magnets have the highest output in the entire magnet industry and are widely used in industrial production. So in this article, we'll give a brief introduction to Ferrite Magnets. The raw materials of ferrite magnets are mainly strontium oxide or barium oxide and iron trioxide (other chemical components such as cobalt (Co) and lanthanum (La) are added to some specific high grades to improve their magnetic properties). They are mainly used in speakers, earphones, motors, and various instruments.
Grade to Ferrite Magnets
Shape to Ferrite Magnets Shape in Stock ( C5=Y30 )
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According to different production processes, ferrite magnets can be divided into sintered ferrite and bonded ferrite. Among them, sintered ferrite can be divided into dry pressed ferrite and wet pressed ferrite, and bonded ferrite can be divided into extrusion molded ferrite, press-molded ferrite, and injection molded ferrite.
According to whether the external magnetic field is applied during molding, ferrite magnets can be divided into the isotropic permanent magnet and anisotropic permanent magnet. Isotropic sintered ferrite permanent magnet has weak magnetic properties but it can be magnetized in different directions of the magnet. Anisotropic ferrite permanent magnet has strong magnetic properties, but it can only be magnetized along the predetermined magnetizing direction of the magnet.
The soft, elastic, and twistable magnet made of bonded ferrite powder and synthetic rubber is also called the rubber magnet.
1. Ferrite permanent magnets have the characteristics of high coercivity and low remanence in performance. Ferrite permanent magnets have a high coercivity and strong anti-demagnetization ability. They are suitable for working in a dynamic magnetic circuit environment with large temperature changes.
2. Ferrite permanent magnets are hard and brittle and can be cut with an emery tool.
3. The main raw material of ferrite permanent magnets is the oxide, so they are not easy to be corroded and generally does not require plating.
4. The working temperature of ferrite permanent magnets is generally in the range of -40ºC to +300ºC.
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