Magnets are made of one or more materials, and their main components are iron, nickel, cobalt and other metals.
A magnet is a substance that can produce a magnetic field, the effect of which can adsorb objects.Magnets have the ability to adsorb substances such as iron and steel. This is due to the fact that the magnetic field generated by the magnet is able to interact with the electrons in these substances, thereby causing them to be arranged in an orderly fashion and adsorbed by the magnet. Using the properties of magnetic materials, it is possible to separate materials.
For example, separating ferrous and non-ferrous particles in a mixture by the action of a magnetic field. The north and south poles of magnets correspond to the north and south poles of the earth, so they can be used to make compasses or navigation devices. Magnets can be used to make devices such as electric motors and generators, of which permanent magnets are becoming more widely used.
Common magnet materials and their characteristics:
1, ferrite magnets: made from a mixture of iron oxide and manganese oxide. It is an economical and practical permanent magnet material, widely used in motors, generators, sensors and other fields.
2, NdFeB magnet: made of neodymium, iron and boron and other mixtures. It has high energy density, long life, corrosion resistance and other characteristics, is widely used in electronic products, automobiles, medical equipment and other fields.
3, Alnico magnets: made of aluminum, nickel, cobalt and other mixtures. It has high strength and good corrosion resistance, commonly used in the manufacture of transformers, generators and other power equipment.
4, bonded magnets: made of metal powder and resin and other mixtures. It has a variable shape, low production costs and other characteristics, widely used in electronic components, automotive and other fields.