It is determined by the characteristics of the magnet. If it is explained according to the atomic current, the magnetic field generated by the current magnetizes other objects. The objects magnetize the electric field and the electric field interacts with each other. Atomic nucleus and electrons. Inside the atom, electrons are constantly spinning and revolving around the nucleus. Both of these movements of electrons create magnetism. But in most matter, the electrons move in different directions and chaotic, and the magnetic effects cancel each other out.

When it comes to NdFeB, some friends may not be able to fully read the pronunciation of these words. If you mention its other name --- Magneto, you may not be unfamiliar. NdFeB is a kind of silver shiny magnetic material, which is the latest research achievement in the field of rare earth permanent magnet materials in my country. NdFeB magnet is actually an alloy, which is an alloy of praseodymium neodymium and iron boron. It is also called magnetic steel in industry. Due to the successful development of NdFeB magnets, it is possible to miniaturize and lighten the original heavy motors and large instruments.

Why can magnets attract iron? Why can magnets attract iron, but not other metals? Why are only iron, cobalt, and nickel magnetized? Why don't copper and aluminum have molecular magnets? Magnetism is one of the basic properties of matter, and all matter is a magnetic medium. There are three types: 1. Paramagnetic substances, which generate the same additional magnetic field as the external magnetic field under the action of a magnetic field, and most substances belong to this category. 2. Diamagnetic material, which produces an additional magnetic field opposite to the external magnetic field under the action of a magnetic field, such as copper and inert gases.

What kinds of magnets are there? We know that there are many types of magnets, but what types are there? The editor will briefly tell you here that magnets are generally divided into two categories: permanent magnets and soft magnets. The magnets we call generally refer to permanent magnets. The permanent magnets are divided into two categories: the first category is: metal alloy magnets including NdFeB magnets (Nd2Fe14B), samarium cobalt magnets (SmCo), and AlNiCo magnets (ALNiCO). The second category is: ferrite permanent magnet materials (Ferrite).

The ancient Greeks and Chinese discovered a naturally magnetized stone in nature and called it "magnetite". The stone can magically pick up small pieces of iron and always point in the same direction when swung at will. Early navigators used this magnet as their earliest compass to identify directions at sea. After thousands of years of development, today magnets have become a powerful material in our lives. By synthesizing alloys of different materials,...

Composed of NdFeB, the most powerful "rare earth" permanent magnets known to man, this method of making is relatively modern and first became commercially available in 1984. NdFeB magnets have the highest B bromine, iodine and BHmax of any magnet formulation, and also have very high HC (defined below). However, they are very brittle, difficult to machine, sensitive to corrosion and high temperatures. Useful for homes, workshops, pickups, laboratories, wind turbines, spaceships, etc. In many sizes and almost...