New trend disc neodymium permanent magnets for clothing

What's Neodymium Magnet?

A neodymium magnet is a type of rare-earth magnet made from an alloy of neodymium, iron, and boron. It is the strongest type of Permanent Magnet available, with a magnetic field that is 10 times stronger than traditional magnets. Neodymium magnets are used in a variety of applications, including electric motors, hard disk drives, and magnetic resonance imaging (MRI) machines. They are also used in consumer products such as headphones, speakers, and magnetic phone holders.

The material grade for Sintered Neodymium Magnets?

The material grade for sintered neodymium magnets is typically designated by a combination of numbers and letters, such as N35, N52, or N42SH. The "N" stands for neodymium, while the number represents the maximum energy product (in Mega Gauss Oersteds, or MGOe) of the magnet. The higher the number, the stronger the magnet. The letters following the number indicate additional properties, such as maximum operating temperature (S for 150°C, H for 180°C, etc.) or resistance to corrosion (e.g. ND for nickel-plated).

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The different between neodymium magnet and ferrite magnet?

Neodymium magnets are made from an alloy of neodymium, iron, and boron, and are the strongest type of permanent magnet available. They have a high magnetic energy density and are commonly used in motors, generators, and speakers.

Ferrite magnets, also known as ceramic magnets, are made from a mixture of iron oxide and barium or strontium carbonate. They are less powerful than neodymium magnets but are more resistant to corrosion and can operate at higher temperatures. Ferrite magnets are commonly used in applications such as refrigerator magnets, loudspeakers, and motors.

In summary, the main differences between neodymium and ferrite magnets are their strength, composition, and applications. Neodymium magnets are stronger and made from a different alloy, while ferrite magnets are more resistant to corrosion and can operate at higher temperatures.