Permanent Magnets (NdFeB, SmCo, Hard Ferrite, Alnico, and Polymer-Bonded Magnets)
- Manufactured using powder metallurgy processes from Nd2Fe14B
- High resistance to demagnetization
- High magnetic performance (Br, bHc, iHC and (BH)max)
- Excellent price-performance ratio
- Moderate temperature resistance
- Brittle and hard
- Low corrosion resistance; protective coating required
- Not suitable for high-temperature applications
- Manufactured using powder metallurgy processes from SmCo₅ or Sm₂Co₁₇ alloys
- High resistance to demagnetization
- Excellent corrosion resistance
- Outstanding temperature stability
- Relatively expensive due to limited raw material availability
- Brittle and extremely hard
- Manufactured by casting or powder metallurgy processes
- Metal alloy based on an Al-Ni-Fe-Co matrix
- Excellent temperature stability over a wide temperature range exceeding 500°C, with temperature coefficients of Br and iHc below ±0.03%
- High corrosion resistance without the need for a protective surface coating
- Good resistance to demagnetization caused by vibration and shock
- Good magnetic flux density at a reasonable cost
- Brittle and hard
- Manufactured using powder metallurgy processes from barium ferrite (BaFe₁₂O₁₉) or strontium ferrite (SrFe₁₂O₁₉)
- Good resistance to demagnetization
- Excellent corrosion resistance
- Cost-effective due to the abundant availability of raw materials
- Good temperature stability
- High coercivity and high electrical resistivity
- The most widely used type of permanent magnet
- Brittle and hard
- Mn-Zn- and Ni-Zn-based soft ferrite materials
- Mn-Zn materials with medium to high permeability (approximately 2,000–15,000)
- Ni-Zn materials with comparatively low permeability (approximately 10–2,200)
- A wide variety of core shapes, including E, U, R, pot, PC, PQ, and drum cores
- Additional designs and variants available
- Custom ferrite cores and components manufactured to meet specific technical requirements