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Ferrite Permanent Magnet
Gauss Industrial Co.,Ltd | Updated: Dec 14, 2017


1. Neodymium Iron Boron Magnets It is the magnet that has been found to have the highest commercialization performance and is known as Magnet. With its high magnetic properties, its maximum BHM is more than 10 times that of Ferrite. Its own machining performance is also quite good. Operating temperature up to 200 degrees Celsius. And its hard texture, stable performance, good price, so its application is extremely broad. However, because of its high chemical activity, it must be its surface coating treatment. (Such as Zn plating, Ni, electrophoresis, passivation, etc.).


2. Ferrite magnets Its main raw materials include BaFe12O19 and SrFe12O19. Made by the ceramic process, the texture is relatively hard, brittle material, as the ferrite magnets have good temperature resistance, low cost, moderate performance, has become the most widely used permanent magnet.


3. Alnico magnets are aluminum, nickel, cobalt, iron and other trace metals constitute an alloy. Casting process can be processed into different sizes and shapes, workability is good. Cast aluminum nickel and cobalt permanent magnet has the lowest reversible temperature coefficient, the working temperature can be as high as 600 degrees Celsius. Alnico permanent magnet products are widely used in various instrumentation and other applications.


4. Samarium cobalt (SmCo) according to the different ingredients into SmCo5 and Sm2Co17. Its material development is limited by the high cost of its materials. Samarium cobalt (SmCo) as a rare earth permanent magnet, not only has a higher energy product (14-28MGOe), reliable coercivity and good temperature characteristics. Compared with neodymium iron boron magnets, samarium cobalt magnets are more suitable for working in high temperature environment.


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