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Ceramic Ferrite Disc Magnet Description

Ceramic Ferrite disc magnet is a type of round coin-shaped Ferrite magnet of varying diameter and thickness. It is one of the most cost-effective magnetic materials. It has a fair to good resistance toward corrosion and it can operate in moderate heat.

Ceramic Ferrite Disc Magnet Application

Ceramic Ferrite disc magnet is widely used in motors, speakers, and other industrial areas. Find our price and availability now!

Stanford Magnets specializes in manufacturing and supplying Ceramic Ferrite magnets applied in various industrial applications. We have advanced technology, rich experience, and professional engineering technicians in this field. If you require a specific size, please contact us for a quote.

FAQ

What are the key features of ceramic/ferrite disc magnets?

Cost-Effective: They are among the most economical types of permanent magnets available. Resistance to Demagnetization: Ferrite disc magnets maintain their magnetic properties even in the presence of external magnetic fields. Corrosion Resistance: Highly resistant to rust and corrosion, making them suitable for use in harsh environments without any protective coating. Moderate Magnetic Strength: While not as powerful as rare-earth magnets such as neodymium, they provide adequate magnetic force for many applications.

What applications are ceramic/ferrite disc magnets used for?

Ferrite disc magnets are widely used in various applications, including: Crafts and Hobbies: Popular for fridge magnets, jewelry, and other craft projects due to their affordability and sufficient magnetic strength. Sensors and Motors: Used in certain types of electric motors, generators, and sensors where high temperature resistance and stability are required. Educational Tools: Ideal for demonstrations and experiments in classrooms to teach magnetic principles.

How do ceramic/ferrite disc magnets compare to other magnets in terms of strength?

Ceramic/ferrite magnets have lower magnetic energy products compared to rare-earth magnets like neodymium. However, their strength is adequate for applications that do not require extremely powerful magnets, and they offer advantages in cost and thermal stability.

Can ceramic/ferrite disc magnets be customized?

Yes, these magnets can be shaped and sized to some extent before the sintering process. However, they are brittle, making post-sintering modifications difficult and limited to grinding for size reduction or achieving specific tolerances.

How should ceramic/ferrite disc magnets be handled and stored?

Handling: Care should be taken to avoid dropping or applying strong force, as the magnets can chip or break due to their brittleness. Storage: There are no special storage requirements due to their strong resistance to corrosion and demagnetization. It is advisable to store them in a manner that prevents them from snapping together and causing damage.

Are ceramic/ferrite disc magnets affected by temperature?

Ceramic/ferrite magnets can withstand relatively high temperatures (up to about 250°C or 482°F) before experiencing a loss in magnetism, which makes them suitable for applications where heat resistance is needed.

How are ceramic/ferrite disc magnets manufactured?

The manufacturing process includes mixing iron oxide with barium or strontium carbonate, pressing the mixture into molds, sintering at high temperatures, and then magnetizing the cooled discs using a strong external magnetic field.

Can ceramic/ferrite disc magnets be demagnetized?

While ceramic/ferrite magnets are resistant to demagnetization, they can be demagnetized by exposure to very high temperatures (above their Curie temperature), strong opposing magnetic fields, or severe physical shock. Under normal conditions, they are stable and maintain their magnetism over time.

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Ceramic Ferrite Disc Magnet Description

Ceramic Ferrite Disc Magnet Application

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