In our lives, magnets are more common magnetic substances, we have all seen the magnet, played with it, we have done experiments with it in physics class. The company argued that magnetism was natural, not human, and that the stone's ability to absorb certain iron-containing substances so easily felt like a magic trick was discovered by early seafarers, who used it as a simple compass to navigate the sea. In fact, its scientific name is magnet, and its atomic structure is rather special. The two ends of a magnet are called magnetic poles. First of all, it is magnetic itself, and a magnet can produce a magnetic field, which can attract ferromagnetic materials. What is a ferromagnetic substance? Like iron, when there's no magnetic field inside the atom, it's messy, and magnetic forces cancel each other out. When in contact with a block of iron, the atoms inside line up neatly under the action of a magnet and are attracted to it. Can magnets absorb all substances? The answer is no. Just like copper, because copper is a diamagnetism, it is repulsive in a magnetic field.
In addition, aluminum will not be attracted by the magnet, which is a paramagnetic material, its internal magnetic field is almost no, although the magnet, will produce a certain magnetic field, but the magnetic field is very weak, less than iron one millionth, so will not be attracted by the magnet
Therefore, magnets can attract ferromagnetic materials such as iron, but cannot attract paramagnetic and diamagnetic materials such as aluminum and copper. Aluminum nickel cobalt magnet manufacturers remind, in the choice of magnets, of course, also to consider its shape, bar, round, tile shape and other shapes.
In fact, magnets are used quite frequently in our lives. Aluminum nickel cobalt magnet manufacturers for you, for example, use it to invent the compass, including magnetic therapy, are using this principle, also applied to the maglev train. Therefore, magnets play an important role in traditional industry, medicine and military. The earth is huge and contains many substances, each of which will eventually be needed by human beings
