Ferrite magnets are permanent magnet materials primarily made of iron oxide, also known as ferrite magnets or ceramic magnets.
They are characterized by low cost, strong corrosion resistance, and good temperature stability.
While their magnetism is not as strong as neodymium magnets, it is sufficient for many everyday applications. Ferrite magnets are typically dark gray or black, hard yet brittle, requiring special care during processing.
Ferrite magnets come in a wide variety of specifications and dimensions to meet different needs:
Shape: Common shapes include round, square, ring-shaped, and tile-shaped.
Dimensions: Diameters range from a few millimeters to tens of centimeters.
Thickness: From as thin as 1mm to as thick as 50mm or more.
Magnetization Direction: Axial, radial, or multipole magnetization.
Ferrite magnets are widely used in loudspeakers, motors, sensors, and other fields. When selecting ferrite magnets, the operating environment, required magnetic force, and installation method need to be considered. For applications requiring strong magnetic force, high-grade ferrite magnets can be selected; when used in high-temperature environments, their temperature stability should be considered.
Composition: Primarily composed of iron oxide and other metal oxides (such as barium, strontium, etc.) sintered together.
Characteristics: Inexpensive, relatively low cost.
Applications: Commonly found in refrigerator magnets, toys, loudspeakers, motors, and magnetic separation equipment.
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