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First, the specification determines the rust.
1. Specifications
In the process of manufacturing magnetite, the size, shape and magnetic force will affect its service life and whether it rusts or not. Generally speaking, small-sized magnets are easy to be oxidized and rusted by moisture, while large-sized magnets are relatively stable. In addition, in the selection of specifications, it is also necessary to pay attention to the factors such as the use environment and the required durability to ensure that the magnet maintains excellent performance for a long time.
Second, the stronger the magnetic force, the harder it is to rust.
2. Magnetic force
The magnitude of magnetic force has a direct influence on the antirust ability of magnets. Generally speaking, the stronger the magnetic force, the more difficult it is for the magnet to be affected by oxidation and rust, because the strong magnetic field can protect the surface of the magnet from oxidation by air, water and other substances. Therefore, when using magnets, we can consider choosing the appropriate magnetic force according to the specific purpose to prolong the service life of magnets.
Third, the performance brand is directly related to rust resistance.
3. Performance brand
Magnetite has different qualities, different performance grades, and different oxidation and corrosion resistance. Generally speaking, magnets with strong corrosion resistance, oxidation resistance and high temperature resistance have relatively good antirust ability. For example, NdFeB (NdFeB) magnets made of rare earth series materials have the characteristics of strong magnetic force and good oxidation resistance, and it is not easy to rust after long-term use, which can better meet the high demand.
To sum up, whether magnetite can rust is affected by many factors. In addition to the size of specifications, magnetic force and other factors, the performance grade is also one of the important factors. Therefore, when selecting magnets, we should try to choose magnet materials with appropriate specifications, strong magnetic force and good quality according to the specific application situation, so as to ensure that they are not easy to rust, prolong their service life and better meet the high requirements of industrial production and manufacturing.