Sintered isotropic/ anisotropic y30 ferrite magnet for sale

What's Ferrite Magnet?

A ferrite magnet, also known as a Ceramic Magnet, is a type of Permanent Magnet made from a composite of iron oxide and barium or strontium carbonate. It is a low-cost and widely used magnet due to its high magnetic properties and resistance to demagnetization. Ferrite magnets are brittle and have a relatively low magnetic strength compared to other permanent magnets like neodymium magnets. They are commonly used in various applications such as speakers, motors, magnetic separators, and refrigerator magnets.

Ferrite Disk Magnets, Anisotropic Ferrite Magnets, Isotropic Ferrite Magnets

The production of ferrite magnet?

The production of ferrite magnets involves several steps:

1. Raw material preparation: The key raw materials used in ferrite magnet production are iron oxide (Fe2O3) and strontium carbonate (SrCO3) or barium carbonate (BaCO3). These materials are mixed in the desired stoichiometric ratio to form a homogeneous powder.

2. Mixing and grinding: The raw materials are mixed together in a ball mill or attrition mill to ensure a thorough and uniform distribution. This step helps in achieving the desired magnetic properties.

3. Pressing: The mixed powder is then compacted into a desired shape using a hydraulic press. The powder is typically placed in a die and subjected to high pressure to form a dense and solid magnet.

4. Sintering: The compacted magnets are subjected to a high-temperature sintering process in a controlled atmosphere. This process helps in bonding the particles together and transforming the pressed powder into a solid magnet. The sintering temperature and time are carefully controlled to achieve the desired magnetic properties.

5. Machining and shaping: After sintering, the magnet is often machined or shaped into its final desired form using techniques like grinding, cutting, or drilling. This step helps in achieving the required dimensions and surface finish.

6. Magnetization: The final step involves magnetizing the ferrite magnet. This is done by subjecting the magnet to a strong magnetic field in the desired direction. This process aligns the magnetic domains within the magnet and imparts the desired magnetic properties.

7. Quality control: Throughout the production process, various quality control measures are implemented to ensure the magnets meet the required specifications. These may include testing the magnetic properties, dimensional accuracy, and overall quality of the finished magnets.

It's important to note that the production process may vary slightly depending on the specific type and application of the ferrite magnet being produced.

The material grade of Ferrite Permanent Magnets