Ferrite magnets, also known as ceramic magnets, are a type of magnetthat is made out of a mixture of metals that is called ferrite. Ferrite is madeup mostly of a chemical element called iron oxide.
They are commonly used in various applicatio int he past several decades, such as loudspeaker, motor, and generators.
Market share of Ferrite magnets is till very large even the aplication range of sintered Neodymium magnets is more and more extensive. As a nonmetallic type permanent magnetic material, ferrite magnets are utilizing Fe2O3, Bao or Sro as raw aterial and then manufactured through ceramics process, thus can be classified to isotropic type and anisotropic type. It maximum operating temperature can arrive 250 Degrees celsius and also has superior corrosion resistance.
Ferrite magnets are not easy to be demagnetized, not easy to be corroded, their production process is simple, and their price is relatively low. Therefore, the output of ferrite magnets is the highest in the entire magnet industry, and they are widely used in industrial production.
Sro or Bao and Fe2o3
2 plants (A raw material factory, a magnet processing factory)
Ammeter, speaker, audio, phone, TV, dynamo, DC permanent magnet motors (used in cars), etc.
3-30 days(Depends on the size and quantity)
Low cost, high-energy, good electric insulation and excellent resistance to demagnetization
High coercive force, high electric resistance, long-time stability, and econ
Grade of Ferrite
Characteristics for magnet ferrite:
Low cost, high-energy, good electric insulation and excellent resistance to demagnetization.
High coercive force, high electric resistance, long-time stability, and economical price.
Processing of Ferrite magnet
1. Dry process:
By dry process, can produce isotropic & anisotropic magnets. The tool can be changed and developed easily.
2. Wet process:
By wet process, only anisotropic magnets can be produced. It is complicated to change the tool and the tooling charge is much higher.
Fridgemagnetsand novelty items,Loudspeakers,Security systems,Pot magnets,Very large plate magnets to remove ferrous contamination from processing linesMotors, generators and alternators,Medical instruments,Lifting magnets,Sea searcher magnets,Eddy current devicesBrakes,ClampsSwitchesand relaysSweeper magnets.
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