Will the magnetic properties of NdFeb magnets change after surface treatment?

In fact, after the surface treatment of Ndfeb magnets, there are usually some small changes in magnetic properties.

Different surface treatment methods, such as electroplating, spraying, phosphating, electroless plating, electrophoretic coating, etc., have different degrees of influence on magnetic properties. In general, the effects are relatively small.

Process parameters such as temperature, time, current density or voltage, if not properly controlled, may cause a slight decrease in magnetic properties.

The properties of the coating material are also critical, and magnetism, thickness and binding force will have a certain impact on the magnetic properties.

Of course, the initial performance of the magnet will also be related to the degree of change in magnetic properties after surface treatment.

Therefore, when choosing the surface treatment method of NdFeb magnets, we should consider various factors comprehensively to ensure that the treated magnets can still meet our needs.

The above is the content of Xiaobian collation, hope to help you!

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