Neodymium magnet, also known as NdFeB magnet, is a tetragonal crystal formed by neodymium, iron, and boron. The NdFeB magnet is a kind of permanent magnet and is also the most commonly used rare earth magnet. Its magnetism is second only to the absolute zero-degree holmium magnet. In this article, let’s take a look at the common applications of neodymium magnets.
NdFeB magnets are widely used in radar technology, satellite communications, remote control telemetry, electronic tracking, and electronic countermeasures. In addition, magnets are also used in magnetron tubes, magnetron traveling wave tubes, cathode ray tubes, and circulators.
More than one-third of the output of the neodymium magnets is used to manufacture various permanent magnet motors. The advantages of permanent magnet motors are copper saving, power saving, light-weight, small in size, and high specific power. For example, neodymium magnets are widely used in electric bicycle motors, elevator traction machine motors, refrigerator air conditioner motors, and wind-driven motor, etc.
For example, neodymium magnets are used to manufacture speakers, microphones, hearing aids, stereo headphones (MP3, MP4), telephone receivers, electro-acoustic sensors, etc.
This kind of magnet is used to produce various pieces of magnetic machinery, such as magnetic gears, magnetic brakes, magnetic fixtures, magnetic salvage devices, magnetic bearings, magnetic pumps, magnetic valves, magnetic seal doors, magnetic locks and permanent magnet jack, permanent magnet conveyor, etc.
Neodymium magnets have also been widely used in transportation, such as magnetic suspension trains, and permanent magnet devices for luxury cars, like windshield wiper motors, oil pump motors, window opening motors, door lock motors, and starter motor, etc.
The technique of using magnetic methods to separate ferromagnetic substances from non-ferromagnetic substances is called magnetic separation technology. Magnetic separation technology has been widely used in beneficiation, coal preparation, raw material treatment, water treatment, garbage treatment, as well as in medical treatment, chemical industry, and food industry.
Magnetization technology refers to the use of a magnetic field to magnetize a substance to change the bonding state and properties of the magnetized substance, or change the atomic and electronic states, promote the chemical reaction of the substance, or change the crystal form or freezing point of the substance.
Neodymium magnets are used to manufacture magnetic therapy cups, magnetic balls, magnetic therapy machines, magnetic therapy shoes, magnetic therapy caps, magnetic therapy bracelets, necklaces, etc. Besides, neodymium magnets are also used in MRI, a medical device that has developed rapidly in recent years.
In short, since the invention of this magnet, new fields of application have appeared every year, and the annual growth rate is more than 30%. Therefore, the application prospect of neodymium magnets is very broad.
Thank you for reading our article and we hope it can help you to have a better understanding of the common applications of neodymium magnets. If you want to know more about the NdFeB magnet, we advise you to visit Stanford Magnets for more information.
Stanford Magnets is one of the leading magnet suppliers across the world who specializes in manufacturing permanent magnets according to customers’ requirements in terms of composition, magnetic characteristics, shapes, and sizes.