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01-08
/ 2025
In recent years, the price fluctuations of rare earth raw materials such as praseodymium neodymium have been significant, causing great difficulties and constraints in terms of cost for neodymium iron boron production enterprises and end application enterprises. Cerium Ce and praseodymium neodymium PrNd, both rare earth elements, have similar structural characteristics and are extremely abundant in the Earth's crust. When used in neodymium iron boron magnets to replace Pr and Nd, it can not only effectively achieve the balanced utilization of rare earth resources, but also significantly reduce the production cost of sintered neodymium iron boron. At present, almost all neodymium iron boron production enterprises in China have been involved in the development and production of cerium magnets. The annual output of new cerium magnets has reached about 50000 tons, and the scale is constantly expanding.
01-05
/ 2025
The application of magnets is often based on the principle of repulsion between the same poles and attraction between opposite poles, or the adsorption of ferromagnetic substances by magnets, such as various magnetic attraction devices, magnetic connection structures, magnetic separation equipment, magnetic transmission equipment, etc.
01-03
/ 2025
The usage scenarios of neodymium iron boron permanent magnets can be roughly divided into adsorption, repulsion, induction, electromagnetic conversion, etc. The requirements for magnetic fields vary in different application scenarios.
12-30
/ 2024
The rusting of magnets is a complex process that involves multiple factors. The following are the main reasons for magnet rust:
12-25
/ 2024
MagSafe is a magnetic connection technology developed by Apple and first applied to MacBook laptops in 2006. Its core is to use the magnetic attraction to achieve fast and stable connection between devices and accessories
MagSafe technology has been further developed on the iPhone 12 series, becoming a magnetic wireless charging solution that not only improves the efficiency of wireless charging, but also expands the usage scenarios of accessories
Below, we will provide a detailed analysis of the working principle of MagSafe and its relationship with magnets.
12-23
/ 2024
Hall element is a magnetic sensor based on the Hall effect, which can detect magnetic fields and their changes, and can be used in various magnetic field related situations. Hall elements have many advantages, such as sturdy structure, small size, light weight, long lifespan, easy installation, low power consumption, high frequency (up to 1MHz), vibration resistance, and resistance to pollution or corrosion from dust, oil, water vapor, and salt spray. Hall elements have a wide range of applications, such as signal sensors in automotive power distribution systems, speed sensors in ABS systems, speedometers and odometers, liquid physical quantity detectors, current detection and working status diagnosis of various electrical loads, engine speed and crankshaft angle sensors, various switches, and so on.
12-18
/ 2024
Before the invention of rare earth permanent magnet materials in the 1970s, AlNiCo aluminum nickel cobalt alloy had always been the strongest permanent magnet material in terms of magnetic properties. However, due to the strategic metals cobalt and nickel in its composition, the cost was relatively high. With the successive emergence of ferrite permanent magnets and rare earth permanent magnets, aluminum nickel cobalt materials were gradually replaced in many applications. However, in some high-temperature applications and situations where high magnetic stability is required, AlNiCo magnets still occupy an unshakable position.
12-14
/ 2024
The terms that magnetic material professionals must know
11-17
/ 2024
In today's society, children's education and intellectual development have received unprecedented attention. Parents and educators are seeking various methods to promote the comprehensive development of children. Puzzle toys, as a tool that combines education and entertainment, have received widespread attention. Among them, puzzle magnets, as an emerging puzzle toy, have gradually become an important component of children's education due to their unique characteristics and diverse gameplay. This article will explore the positive effects of educational magnets on children's intellectual development
11-17
/ 2024
When it comes to magnetic materials, we have to talk about "magnetism" first. Experiments have shown that any substance can be magnetized to varying degrees in an external magnetic field. According to the characteristics exhibited by substances in an external magnetic field, substances can be divided into five categories: paramagnetic substances, diamagnetic substances, ferromagnetic substances, ferrimagnetic substances, and antiferromagnetic substances.
11-17
/ 2024
Air transportation has certain particularities, and in order to ensure safety, both people and goods need to undergo safety checks before boarding. If you carry magnetic materials, such as neodymium iron boron magnets, during your flight, or if the customer urgently needs the goods and wishes the manufacturer to ship them by air, can we bring the magnets onto the plane?
11-17
/ 2024
For hollow cup motors, everyone may have heard of them. What is a hollow cup motor and how does it differ from regular motors? What kind of permanent magnets are used in hollow cup motors? Today we will take you to understand these issues together.