NEWS

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  15 Concepts in Magnetic Materials

  1. Hysteresis loop The hysteresis loop, as shown in the figure, is a characteristic curve of hard magnetic materials like neodymium iron boron magnets. It illustrates the relationship between magnetic induction (B) and magnetizing field strength (H), demonstrating the material’s ability to ...

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  Low Speed High Torque BLDC Motor

  The low-speed high-torque BLDC motor is a special BLDC motor with a unique electrical mechanical design and motor structure design. It has a wide range of applications and is an indispensable part of modern industry. 1. Features The low-speed high-torque BLDC motor is a special BLDC motor. It ...

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  Common Processing Methods of NdFeB

  The main shapes of sintered NdFeB magnet products include square, cylinders, rings, tiles, sectors and various special-shaped products. In actual production, large blanks are usually produced first, and then the final products are obtained through post-processing according to the user’s s ...

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  A Quick Introduction to Halbach Array Rings

  The Halbach array is a magnet structure with a special shape. Its design idea is to combine multiple magnets of the same shape but different magnetization directions into a circular ring magnet to enhance the uniformity and stability of the working surface or center magnetic field. Permanent ...

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  Principles and Methods of Demagnetization

  Hard magnetic materials (such as NdFeB) have two notable characteristics:1.They can be strongly magnetized under the influence of an external magnetic field;2.They exhibit hysteresis, meaning they retain their magnetized state even after the external magnetic field is removed.So, how can a magnet t ...

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  Common Magnetic Circuit Structures

  The usage scenarios of NdFeB permanent magnets can be roughly divided into adsorption, repulsion, induction, electromagnetic conversion, etc. In different application scenarios, the requirements for magnetic fields are also different. The spatial structure of 3C products is extremely limited, bu ...

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  Pull Force of Sintered NdFeB Magnets

  How heavy can a magnet attract? This is a question that is often asked. It is said on the Internet that NdFeB magnets can attract objects 600 times their own weight. Is this accurate? Is there a formula to calculate the full force of a magnet? Today, let’s talk about the “full forc ...

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  Understand the Radiation Magnetic Ring in One Article

  At present, most of the mainstream permanent magnet brushless motors use surface-mounted or embedded magnetic tiles to form a ring-shaped magnetic circuit. However, the spliced magnetic ring has shortcomings such as high processing accuracy of magnetic tiles, difficulty in assembly, poor stability ...

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  The long-term Stability of NdFeB Permanent Magnets

  The stability of the magnetic properties is a crucial index for permanent magnetic materials. This stability primarily refers to the changes in magnetic performance due to internal and external factors after the magnet is magnetized. It is commonly represented by the rate of change in performance i ...

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  Orientation and Magnetization of Sintered NdFeB Magnets

  Magnetic materials fall into two categories: isotropic magnets and anisotropic magnets. Isotropic magnets exhibit uniform magnetic properties regardless of direction and can be magnetized in any orientation.Conversely, anisotropic magnets possess varying magnetic properties across different dire ...

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  Molding Process of Sintered NdFeB

  Current Molding Process Compared with the traditional powder metallurgy process, the molding of NdFeB has the two major characteristics of magnetic field orientation and oxidation protection. The molding process basically determines the geometry, size and orientation of the magnet, and is a key ...

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  Sintered Neodymium Iron Boron Waste and Recycled Magnets

  Sintered neodymium iron boron (NdFeB) permanent magnets have excellent properties and are widely used in automotive, home appliance, wind power, and consumer electronics. They are currently the most important permanent magnet material on the market. In recent years, with the rapid development of th ...

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