What does the Curie temperature of NdFeB magnet mean?

When looking at the various properties of a neodymium iron boron magnet, there will be a Curie temperature.
For example, the Curie temperature of N35 neodymium iron boron magnet is 310℃.

What does the Curie temperature of NdFeB magnet mean?

We all know that the temperature coefficient of neodymium iron boron magnets is relatively poor. For example, the working temperature of N35 is 80°C and the Curie temperature is 310°C.

What does the expression mean?

The operating temperature of the N35 grade is 80℃, which means that when the NdFeB magnet product reaches the operating temperature of 80℃, it will start to demagnetize and the magnetic performance will be lost. When the temperature gets higher and higher, when the temperature reaches 310°C, the NdFeB magnet will completely lose its magnetic properties. This 310℃ is the Curie temperature of N35 grade NdFeB magnet.
Simply put, the Curie temperature of a neodymium iron boron magnet is the temperature at which it completely loses its magnetism.

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