NdFeB Color Magnets, Neodymium Colour Magnets
NdFeB color magnets are the latest product developed by our company. It is mainly used for products with strict color requirements on the surface. The surface color treatment and plating is a unique art of our company, which is deeply loved by customers. The current technical requirements are only met by our company in the domestic market.
The main raw materials for the production of NdFeB magnets are rare earth metal lanthanum, rare earth metal lanthanum, pure iron, aluminum, boron iron alloy and other rare earth raw materials.
As a third-generation rare earth permanent magnet material, NdFeB magnets have high performance and are widely used in energy, transportation, machinery, medical, IT, home appliances and other industries, especially the development of knowledge economy represented by information technology. It has brought new uses to functional materials such as rare earth permanent magnet NdFeB, which brings a broader market prospect to the NdFeB industry.
Electroacoustic field: speakers, receivers, microphones, alarms, stage sounds, car audio, etc.
Electronic appliances: permanent magnet mechanism vacuum circuit breaker, magnetic holding relay, electricity meter, water meter, sound meter, reed switch, sensor, etc.
Motor field: VCM, CDDVD-ROM, generator, motor, servo motor, micro motor, motor, vibration motor, etc.
Mechanical equipment: magnetic separation, magnetic separator, magnetic crane, magnetic machinery, etc.
Healthcare: Nuclear magnetic resonance instruments, medical devices, magnetic health products, magnetized fuel savers, etc.
Other industries: magnetized anti-wax, pipe descaler, magnetic fixture, automatic mahjong machine, magnetic lock, door and window magnet, stationery magnet, luggage magnet, leather magnet, toy magnet, tool magnet, craft gift packaging, etc.
The third generation rare earth permanent magnet NdFeB is the strongest permanent magnet in contemporary magnets. Its BHmax value is 5-12 times that of ferrite magnets, 3-10 times that of alnico magnets; its coercive force is equivalent to 5-10 times that of ferrite magnets, and 5-aluminum magnet magnets are 5- 15 times, its potential magnetic performance is extremely high, and it can absorb a weight equivalent to 640 times its own weight.
Since the main raw material iron of the NdFeB magnet is very cheap, the storage amount of the rare earth lanthanum is 10-16 times higher than that of the yttrium iron boron magnet, so the price is much lower than that of the samarium cobalt magnet.
NdFeB magnets have better mechanical properties than samarium-cobalt magnets and Al-N-cobalt magnets, making them easier to cut and drill and complex shape processing.
The insufficiency of NdFeB magnets is their poor temperature performance. The magnetic loss is high at high temperatures and the maximum operating temperature is low. It is usually around 80 degrees Celsius. It has a maximum working temperature of 200 degrees Celsius in specially treated magnets.
Since the material contains a large amount of bismuth and iron, it is also a major weakness of rust. Therefore, the neodymium iron boron magnet must be surface coated. Electroless nickel (Ni), zinc (Zn), gold (Au), chromium (Cr), epoxy (Epoxy) and the like.
NdFeB magnets are widely used in aerospace, electronics, electromechanical, instrumentation, medical and other fields. Moreover, non-technical fields are becoming more and more widely used, such as adsorption magnets, toys, jewelry, and the like. NdFeB Color Magnets
Performance grade table:
|No.||Residual magnetic induction||Coercivity||Intrinsic coercivity||Maximum magnetic energy product||Maximum working temperature|
|Br mT||bHc KA/m||iHc KA/m||（BH）max KJ/m3||Tw ℃|
Note: Working temperature means that the open magnetic flux irreversible loss at this temperature is less than or equal to 5%, and the test temperature is 20 °C ± 2 °C.
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