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Ceramic Ferrite Bar Magnet Description

Ceramic Ferrite bar magnet 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 magnets are low-energy products and they are usually used in assemblies containing mild steel.

Ceramic Ferrite Bar Magnet Specifications

Name: Custom powerful force ceramic bar ferrite magnet
Usage: Actuators/ Magnetic bearings/ Magnetic clutch/Peripheral motors…
Design: Customized
Material: Permanent magnet
Size: Customized
Color: Customized
Packing: Polybag safe for transportation

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.


What are the key features of ceramic/ferrite bar magnets?
Cost-Effective: Among the most inexpensive types of permanent magnets available. Resistance to Demagnetization: They have good resistance to losing their magnetism, even in the presence of external magnetic fields. Corrosion Resistance: Ferrite magnets are highly resistant to rust and corrosion, making them suitable for use in various environments. Moderate Magnetic Strength: While not as strong as neodymium magnets, they offer sufficient magnetic force for many applications.
What applications are ceramic/ferrite bar magnets used for?
Ferrite bar magnets are used in a wide range of applications, including: Educational Purposes: Ideal for teaching magnetic principles and for use in science projects. Magnetic Separators: Used to remove ferrous contaminants from products or materials. Loudspeakers and Microphones: Because they provide a permanent magnetic field necessary for these devices to function. DIY Projects and Crafts: Popular in homemade crafts, fridge magnets, and magnetic therapy products.
How do ceramic/ferrite bar magnets compare to other magnets in terms of strength?
Ceramic/ferrite magnets are generally weaker than rare-earth magnets like neodymium but stronger than alnico magnets in terms of resistance to demagnetization. Their magnetic strength is sufficient for a wide array of applications, particularly where high magnetic force is not the primary requirement.
Can ceramic/ferrite bar magnets be customized?
Yes, these magnets can be customized in terms of size and shape before the sintering process. However, due to their brittleness, any further shaping after sintering must be done through grinding, limiting the complexity of post-production modifications.
How should ceramic/ferrite bar magnets be handled and stored?
Handling: Despite their brittleness, ferrite magnets are relatively durable. Care should be taken to prevent them from snapping or chipping, which is possible if they are allowed to slam together or are dropped. Storage: There are no special storage requirements due to their strong resistance to corrosion and demagnetization. However, storing them in a manner that minimizes strong impacts is advisable to avoid physical damage.
Are ceramic/ferrite bar magnets affected by temperature?
Ceramic/ferrite magnets can withstand relatively high temperatures before losing their magnetism. Their magnetic properties start to degrade at temperatures above 250°C (482°F), making them suitable for applications that don't involve extreme heat.
How are ceramic/ferrite bar magnets manufactured?
The process involves mixing iron oxide with barium or strontium carbonate, pressing the mixture into a desired shape, and then sintering (firing in a kiln) at high temperatures. The magnets are then magnetized using a strong external magnetic field.
Can ceramic/ferrite bar magnets be demagnetized?
While they are resistant to demagnetization, it is possible to demagnetize ceramic/ferrite magnets if they are exposed to very high temperatures (above their Curie temperature), strong opposing magnetic fields, or severe physical shock. Under normal usage conditions, they maintain their magnetism for a very long time.

Protocols and articles

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