Inverter Air Conditioner: a new point of growth for permanent magnet materials Air conditioners that meet the first-class energy efficiency standard can obtain a market access pass. It is expected that inverter air conditioners will experience explosive growth and market penetration will further increase. From July 1, 2020, my country officially began to implement the [...]
Φ Magnetic Flux In the application of magnets, magnetic flux (Magnetic Flux) is an important index to measure the performance of magnets, especially in the fields of motors, audio speakers, etc. The concept of magnetic flux Assuming that in a uniform magnetic field with magnetic induction intensity B, there is a plane with area S [...]
Permanent Magnet Materials in Coreless Motors With the continuous development of science and technology, motor technology is also constantly innovating. Especially in today's industrial field, higher expectations and requirements are constantly put forward for the servo characteristics of motors, and coreless motors have emerged as the times require. Coreless motors are DC permanent magnet servo [...]
Surface Magnetism and Magnetic Flux Remanence, coercive force, intrinsic coercive force and maximum magnetic energy product are the four most common parameters to measure the performance of magnetic materials. In addition, we will often see two other parameters in finished magnets - surface magnetism and magnetic flux (also called magnetic flux). Surface magnetism The simple [...]
NdFeB chemical composition analysis (ICP atomic emission spectroscopic analysis) The chemical composition analysis of NdFeB materials generally includes: 1-Chemical composition analysis of raw materials, including the chemical composition of rare earth metal raw materials, as well as industrial pure Fe, B-Fe alloys and other metals, such as Ga, Al, Nb, Zr, etc.; 2- The chemical [...]
How to clearly describe a magnet purchase requirement How to communicate needs with magnetic material sales staff? What details must be clarified in order to obtain accurate quotations and delivery dates? If you have such doubts in the procurement of magnetic materials, then today's article must be of great help to you. It is clear [...]
NdFeB Surface Treatment - Passivation Coating The role of NdFeB permanent magnet surface protection has three aspects: 1- Improve the corrosion resistance of NdFeB, and use various surface protections to resist corrosion such as humid environments, acids, alkalis, salts and harmful gases; 2- Thoroughly clean the surface of the magnet, such as removing loose magnetic [...]
Surface Coating Technology Increases the Life of NdFeB Magnets At present, China's rare earth NdFeB production has formed an industrial system, and the output has accounted for more than 80% of the world's total output. However, China's production of high-end NdFeB products is lack of competitiveness, which has become a bottleneck restricting the development of [...]
Linear Magnetic Brakes Linear permanent magnet brakes, also known as eddy current brakes, are a fail safe, power free, deceleration system that is used in conjunction with a metal reaction plate. Ceramic or rare earth magnets are bonded to a steel back iron plate. No input power is required. They are used in applications such [...]