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Magnetic properties and uses of ferromagnetic materials

Magnetic properties and uses of ferromagnetic materials

Iron, nickel, cobalt and their alloys can greatly enhance the magnetic field, so they are widely used in electrical technology. Under the action of the external magnetic field, the molecular current in the ferromagnetic material can be arranged from a disorganized and destructive distribution state to the direction of its magnetic field and the external magnetic field, so an additional magnetic field that is far stronger than the external magnetic field is formed. Arranging molecular currents causes the magnetic field within a ferromagnetic material to increase dramatically, an effect called magnetization. Certain magnetic properties of ferromagnetic materials are revealed from the process of magnetization.

Permanent magnet traction technology--China's breakthrough in the field of magnetic materials

Permanent magnet traction technology--China's breakthrough in the field of magnetic materials

Permanent magnets, which can maintain continuous magnetism for a long time, such as the application of more artificial permanent magnets (mainly NdFeB), which are made of some metals and new materials after systematic processing, they can have long-term magnetism, around the magnets. In the presence of a magnetic field, the iron will be magnetized, and the magnetized iron block and the magnet can have the effect of attracting opposites, and the iron block is firmly adhered to the magnet.

Characteristics analysis of rare earth permanent magnet materials sintered NdFeB and SmCo

Characteristics analysis of rare earth permanent magnet materials sintered NdFeB and SmCo

Permanent magnet motors are widely used, but how many people know the categories of permanent magnet materials? What are the characteristics and advantages and disadvantages of different permanent magnet materials? Which models should be selected under different environments and applications? This article is based on such a starting point, to do some characteristic analysis of permanent magnet materials, especially "NdFeB and Samarium Cobalt" rare earth permanent magnets.

Comparison of performance and price of various magnetic materials

Comparison of performance and price of various magnetic materials

First: ferrite, low and medium performance, lowest price treadmill magnetic tile, good temperature characteristics, corrosion resistance, good performance-price ratio

What is isotropy and anisotropy of ferrite magnets?

What is isotropy and anisotropy of ferrite magnets?

sotropic: 1. The raw material is granular, about 3 ~ 4 μm in size. 2. During molding, the raw materials are not magnetized and arranged. 3. It can be magnetized in any direction. 4. Magnetize according to the thickness direction, the magnetic force is about 500 ~ 800 Gauss.

What problems should a novice pay attention to when purchasing tile-shaped magnets (magnetic tiles)?

What problems should a novice pay attention to when purchasing tile-shaped magnets (magnetic tiles)?

There are two main types of tile-shaped magnets, namely NdFeB magnetic tiles and ferrite magnetic tiles. At present, these two are mostly used, mainly used in some DC motors.

The installation of the motor magnetic tile

The installation of the motor magnetic tile

There are generally two types, one is low-speed, bonded with AB glue; the other is high-speed bonded with AB glue and then fixed with a stainless steel sleeve;

The purpose of the motor magnetic tile

The purpose of the motor magnetic tile

It is mainly used in permanent magnet DC motors. Unlike electromagnetic motors, which generate magnetomotive force sources through excitation coils, permanent magnet motors use permanent magnet materials to generate constant magnetomotive force sources.

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Hengyuan

Haian Hengyuan Magnetic Co., Ltd. is specialized in production of magnetic shoes of ferrite motors.

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