Magnet is an oxide mineral spinel magnetite, mainly distributed in Hebei, Jiangsu, Guangdong, Sichuan and Yunnan of China. Now magnets are widely used in industry, so what matters should be paid attention to How about it? The following is a brief introduction of related knowledge, hoping to bring you a certain level of help. Magnets are commonly known as iron magnets, which refer to objects that have a magnetic field in themselves. There are two types of natural and artificial magnetic fields. Artificial magnets are usually made of metal alloys and have strong magnetic properties. Ferromagnetism refers to a magnetic state with spontaneous magnetization. After some materials are magnetized under the action of an external magnetic field, even if the external magnetic field disappears, they can remain magnetized and have magnetic properties. This is called spontaneous magnetization. All permanent magnets are magnetizable. Magnets are artificial magnets made of steel or certain alloys by artificial magnetization. In the use of magnets, it is necessary to pay attention to the following aspects:
1.Magnets must not be placed around strong currents;
2. The magnet cannot be placed on fire, high temperature environment;
3.The magnet cannot be shocked or violently shaken;
4. Small magnets cannot be placed together with large magnets; hoof magnets should also add a soft iron to the poles to connect the poles and reverse the adjacent magnets from north to south.
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