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中文简体Neodymium magnets are a type of rare-earth magnet known for their high magnetic strength and ability to retain their magnetism over long periods of time. Disc neodymium magnets, in particular, are cylindrical in shape and have a flat, circular surface on each end.
Here are some of the key properties and characteristics of disc neodymium magnets:
Magnetic strength: Disc neodymium magnets are known for their exceptional magnetic strength, which is typically measured in units of Tesla (T) or Gauss (G). The strength of a neodymium magnet can vary depending on its size and composition, but it is generally much stronger than other types of magnets.
Coercivity: Coercivity refers to a magnet's ability to resist demagnetization. Disc neodymium magnets have a high coercivity, which means they can retain their magnetism over long periods of time.
Curie temperature: The Curie temperature is the temperature at which a magnet loses its magnetism. For neodymium magnets, this temperature is relatively low (around 310 °C), so they can lose their magnetism at high temperatures.
Corrosion resistance: Neodymium magnets are susceptible to corrosion, especially when exposed to moisture or certain chemicals. To prevent corrosion, they are often coated with a protective layer of nickel, copper, or other materials.
Brittleness: Neodymium magnets are relatively brittle and can crack or break if subjected to excessive stress or impact. Care must be taken when handling and assembling these magnets to avoid damage.
Shape and size: Disc neodymium magnets are available in a wide range of sizes and shapes, making them versatile for a variety of applications. They are commonly used in electronics, motors, sensors, and magnetic assemblies.
Overall, disc neodymium magnets are a powerful and versatile type of magnet with unique properties and characteristics that make them useful in a variety of applications.
