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Rectangular Sintered Ferrite Magnet Can Be Used In Motorcycle Motors W4029K

Permanent Ferrite Magnet
December 16, 2025
Category Connection: Permanent Ferrite Magnet
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#Motorcycle Permanent Ferrite Magnet #405mT Permanent Ferrite Magnet #IATF16949 Ferrite Segment Magnets
Brief: We tested it—see the highlights and what to expect in real operation. This video provides a detailed walkthrough of the Rectangular Sintered Ferrite Magnet W4029K, showcasing its manufacturing process, key magnetic properties, and real-world performance in motorcycle starter motors. You'll learn how its anisotropic structure and wet compression molding deliver reliable engine starts and consistent operation.
Related Product Features:
  • Manufactured using anisotropic ceramic strontium ferrite via wet compression molding for consistent magnetic orientation.
  • Contains strontium ferrite (SrFe12O19) as the primary magnetic material, offering good magnetic properties at low cost.
  • Achieves high relative density of around 95% or more after sintering, providing excellent mechanical strength.
  • Exhibits strong magnetocrystalline anisotropy due to hexagonal crystal structure, ensuring preferred magnetization direction.
  • Offers medium to high coercivity depending on additives, density, and achieved anisotropy level.
  • Maintains good magnetic properties over a wide operating temperature range with high Curie temperatures of 450-470°C.
  • Provides dimensional consistency and uniform shapes through precision compression molding for mass production.
  • Resistant to corrosion as a fully dense ceramic material, ensuring long-term reliability in motorcycle motors.
Faqs:
  • What is the primary application of the Rectangular Sintered Ferrite Magnet W4029K?
    This magnet is specifically designed for use in motorcycle motors, particularly in starter motors where it provides the necessary magnetic field strength for reliable and efficient engine starts.
  • How does the wet compression molding process benefit these ferrite magnets?
    The wet compression molding process allows for close dimensional tolerances and uniform magnet shapes to be produced consistently. It orients the anisotropic particles during molding and sintering, resulting in high magnetic property and mass production capability.
  • What temperature range can these sintered ferrite magnets operate in?
    These magnets have a maximum operating temperature of 350°C and a Curie temperature of 450°C, allowing them to maintain good magnetic properties over a wide operating temperature range with excellent temperature stability.
  • What are the key magnetic properties of the ferrite powder grades used for motorcycle motor magnets?
    The ferrite powder grades range from Y33 to Y40, with remanence (Br) from 410-460 mT, coercivity (Hcb) from 200-354 kA/m, and maximum energy product ((BH)max) from 31.5-41.8 kJ/m³, providing various performance levels for different motor requirements.
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