NdFeB magnet is a kind of modern magnetic material and is widely used in electronics, machinery and other fields. However, its magnetism is affected by various factors. The following are the main influencing factors:
1. High temperature: The magnetic properties of NdFeB magnets decrease as the temperature increases. Especially above 400°C, the magnetic properties drop sharply.
2. External fields: NdFeB magnets are easily disturbed by external fields and the magnetization direction changes, affecting the magnitude of the magnetic force.
3. Size effect: The magnetic density of NdFeB magnets is related to its size. Generally, the larger the length, width, thickness, etc., the stronger the magnetic force.
4. Magnetization treatment: Magnetization treatment is an effective method to improve magnetic force, but the magnetization method and magnetic field strength have an impact on the magnitude of the magnetic force.
5. Magnet shape: The shape of the magnet will also affect the magnetic force of the NdFeB magnet. The more common magnet shapes are cylindrical, square, ring, etc.
6. Environmental humidity: An environment with high humidity will affect the stability of NdFeB magnets, resulting in a decrease in magnetic force.
7. Quality difference: The quality difference of NdFeB magnets will also affect the size of the magnetic force, and high-quality magnets have more stable magnetic force.
NdFeB magnet is a very excellent magnetic material, and its applications are becoming more and more widespread in various fields. Therefore, when using NdFeB magnets, we need to fully understand its influencing factors and perform reasonable use and maintenance to achieve better results.

