Are neodymium magnets high-temperature resistant? - China Rare Earth Permanent Magnet Manufacturers
Maximum working temperature is one of important magnetic properties of permanent magnet material. SmCo magnets and Alnico magnets are well-known high-temperature resistance permanent magnets. Their maximum operating temperatures are up to 300~350 degree Celsius and 550~600 degree Celsius respectively. Neodymium magnets cannot work at such a high temperature like SmCo magnets and Alnico magnets. However, some series of neodymium material can be used under high temperature like 150℃, 180℃,200℃ and even 220℃. This is enough for neodymium magnets work in some certain high temperature applications like various kinds of motors.
The max temperature that a magnet can be effectively used greatly depends on the coercive force of the magnetic material itself. If the actual operating temperature close or over magnetic material's maximum working temperature, the magnetism may decline to some extent or disappear greatly due to the super high temperature damage.
Therefore, how to choose right magnetic material with suitable max temperature is very important. The permanent magnets can effectively play an active role in their applications only to ensure they will not be demagnetized.
The max temperature that a magnet can be effectively used greatly depends on the coercive force of the magnetic material itself. If the actual operating temperature close or over magnetic material's maximum working temperature, the magnetism may decline to some extent or disappear greatly due to the super high temperature damage.
Therefore, how to choose right magnetic material with suitable max temperature is very important. The permanent magnets can effectively play an active role in their applications only to ensure they will not be demagnetized.
