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Ferrite Magnet Can Withstand The Maximum Operating Temperature

Ferrite magnet are a permanent magnet made of SrO or BaO and Fe2O3 as raw materials. Early developed by the gifted magnetic company, compared with other permanent magnet, ferrite magnet hard and brittle, low magnetic energy. But it is not easy to demagnetize the corrosion is not easy, the production process is simple and inexpensive, therefore, in the entire magnet industry, the highest output of ferrite magnet and is widely used in industrial production.

On the ferrite magnet with NdFeB can withstand the maximum operating temperature and Curie temperature is the concern of many users. What is the upper temperature limit of NdFeB temperature? What is the upper temperature limit for high temperature resistant NdFeB? Ferrite magnet heat working temperature ceiling is how much, Xiao Bian for your details.

The magnetic strength of NdFeB magnets is closely related to the change of ambient temperature. In the operating temperature range, the temperature of each rise 1 ℃, the corresponding magnetic force will be weakened, after cooling, most can be restored to the original level, which is reversible. If the temperature reaches the Curie temperature, the inner part of the magnet is strenuous and the demagnetization occurs, which is irreversible.

Ferrite magnet and NdFeB can withstand the maximum operating temperature and Curie temperature table

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NdFeB heat resistance working temperature limit: 80 ℃, Curie temperature 310 ℃

High temperature NdFeB heat resistance working temperature limit: 150 ℃, Curie temperature 340 ~ 400 ℃

Ferrite magnet heat resistance working temperature upper limit: 300 ℃, Curie temperature 450-460 ℃


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