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Do NdFeB magnets conduct electricity?

October 27,2023


Before discussing the electrical conductivity of NdFeB magnets, we first need to understand what electrical conductivity is. Simply put, electrical conductivity is the ability of a substance to allow an electric current to pass through it. This ability depends largely on the number and mobility of free electrons in the substance. With this in mind, let's explore the electrical conductivity of NdFeB Power Magnets.

NdFeB magnets are a metal alloy that has some electrical conductivity due to the properties of the metal itself.

However, compared to common conductors such as copper and aluminum, NdFeB magnets do not have outstanding conductivity. This is because although neodymium, iron and boron are all metallic elements, they do not have many free electrons, making them less conductive.

It is worth noting that although NdFeB magnets have a certain degree of electrical conductivity, we do not usually utilize this property in practical applications. Instead, we place more emphasis on the magnetic properties of NdFeB magnets. This strongly magnetic material is mainly used in the manufacture of electric motors, generators, hard disk drives, MRI scanning devices, etc. These devices work primarily by using electric current to generate a magnetic field, rather than by utilizing the conductivity of the magnet itself.

When we design and build these devices, we use specialized conductors (such as copper and aluminum) to conduct electricity and use the strong magnetic field generated by neodymium-iron-boron magnets to convert or control the electricity. Therefore, although NdFeB magnets have some electrical conductivity, this is not the main reason we choose to use them.

In addition, although NdFeB magnets are not highly conductive, this characteristic can be a problem in certain situations. For example, if the magnet comes into direct contact with a conductive material, it may lead to a short circuit or current leakage. Therefore, when using NdFeB magnets, we need to take some measures, such as wrapping them with insulating materials, to avoid this situation.


Overall, although the conductivity of NdFeB magnet is not strong, it still needs attention in the process of using. We should fully understand and utilize its magnetism, and also pay attention to prevent possible electrical problems.