Comparison between Ferrite Magnet and Rare Earth Magnet
Ferrite magnets and rare earth magnets are two common permanent magnet materials, which have some similarities
but also some differences. Here is their comparison:
1. Magnetic properties: Rare earth magnets have higher magnetic properties because the magnetic moment of rare
earth elements is much larger than that of ferrites. Rare earth magnets can generate higher magnetic induction intensity
and energy product. Relatively speaking, the magnetic properties of ferrite magnets are relatively low.
2. Rare earth element content: Rare earth magnets contain a large amount of rare earth elements, some of which are
very rare, resulting in relatively high preparation costs for rare earth magnets. However, ferrite magnets do not contain
rare earth elements and have relatively low preparation costs.
3. Temperature stability: The magnetic properties of rare earth magnets decrease rapidly with increasing temperature,
while ferrite magnets have better temperature stability.
4. Magnetization direction: Rare earth magnets can achieve high anisotropy, so various shapes and sizes of magnets
can be prepared. Ferrite magnets, on the other hand, can usually only determine one direction of magnetization during compression.
5. Resilience: Ferrite magnets have good toughness, while rare earth magnets are more brittle and prone to fracture in applications.
ferrites
Rare earth magnets
In summary, ferrite magnets and rare earth magnets each have their own advantages and limitations, and the specific choice depends on factors
such as required magnetic properties, cost, temperature stability, shape and size, and application environment.
