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High Coercive Force Sintered Ferrite Magnet For Motorcycle Motors W021C

Sintered Ferrite Magnet
December 16, 2025
Category Connection: Sintered Ferrite Magnet
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#405mT Sintered Ferrite Magnet #405mT ARC Ferrite Magnets #3.89 MGOe Sintered Ferrite Magnet
Brief: Looking for a reliable and cost-effective magnet solution for motorcycle motors? This video provides a detailed walkthrough of our High Coercive Force Sintered Ferrite Magnet W021C. You'll see how its unique wet compression molding process ensures high density and strong magnetic anisotropy, making it ideal for demanding applications like starter motors and flywheel magnetos.
Related Product Features:
  • Composed of strontium ferrite (SrFe12O19) for good magnetic properties and low production cost.
  • Achieves a high relative density of around 95% or more after sintering for excellent mechanical strength.
  • Exhibits strong magnetocrystalline anisotropy due to its hexagonal crystal structure for a preferred magnetization direction.
  • Manufactured via wet compression molding to orient anisotropic particles and ensure dimensional consistency.
  • Offers medium to high coercivity, suitable for many applications without heavy rare earth elements.
  • Maintains good magnetic properties over a wide operating temperature range with high Curie temperatures.
  • Resistant to corrosion as a fully dense ceramic material, unlike bonded magnets with additives.
  • Amenable to automated high-volume manufacturing for consistent production of complex magnet geometries.
Faqs:
  • What is the primary magnetic material used in the W021C magnet?
    The primary magnetic material is strontium ferrite (SrFe12O19), which provides good magnetic properties and is inexpensive to produce.
  • How does the wet compression molding process benefit the magnet?
    The wet compression molding process orients the anisotropic particles during molding and sintering, resulting in high density, dimensional consistency, and strong magnetic anisotropy along one axis.
  • What are the key applications for this sintered ferrite magnet in motorcycles?
    It is primarily used in motorcycle starter motors and flywheel magneto magnets, where its high coercive force and reliability are essential for engine ignition and operation.
  • What advantages do these magnets offer compared to rare-earth magnets?
    They are low-cost, offer high magnetic properties like coercivities of 700-1000 kA/m, have excellent temperature stability, and are resistant to corrosion, making them a cost-effective alternative for many applications.
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