Tel: +86-18573485932
E-mail: sales@tlmagnet.com
Types of disc magnet
There are many types of disc magnets, which are generally divided into two categories: permanent magnets and soft magnets. Permanent magnets are divided into two categories
There are many types of disc magnets, which are generally divided into two categories: permanent magnets and soft magnets. Permanent magnets are divided into two categories:
The first category is: metal alloy magnets, including neodymium iron boron magnets, samarium cobalt magnets, and alnico magnets.
The second category is: ferrite permanent magnet materials.
Ferrite disc magnet
The main raw materials of ferrite include BaFe12O19 and SrFe12O19. Manufactured by ceramic technology, the texture is relatively hard and it is a brittle material. Due to the good temperature resistance, low price and moderate performance of ferrite magnets, it has become the most widely used permanent magnet.
NdFeB disc magnet
Neodymium iron boron is currently the most commercially available magnet. It is called the Magneto. It has extremely high magnetic properties and its maximum energy product (BHmax) is more than 10 times higher than that of ferrite. Its own mechanical processing performance is also quite good. The operating temperature can reach up to 200 degrees Celsius. Moreover, its texture is hard, its performance is stable, and its cost performance is very good, so its application is extremely wide. But because of its strong chemical activity, it must be treated with a surface coating.
Samarium cobalt disc magnet
Samarium cobalt magnets (SmCo) are divided into SmCo5 and Sm2Co17 according to their composition. Due to the high price of samarium cobalt materials, its development is restricted. As a rare earth permanent magnet, Samarium Cobalt Magnet (SmCo) not only has a high magnetic 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 environments.
Aluminum nickel cobalt disc magnet
AlNiCo is an alloy composed of aluminum, nickel, cobalt, iron and other trace metal elements. The casting process can be processed into different sizes and shapes, and the workability is very good. Cast AlNiCo permanent magnets have the lowest reversible temperature coefficient, and the operating temperature can be as high as 600 degrees Celsius. Alnico permanent magnet products are widely used in various instruments and other applications.
Tongli Magnetic Industry Co., Ltd.
Address：No. 5, Changfu Road, Ludong community, Humen Town, Dongguan City, Guangdong Province.
Contact:：kiara
Tel: +86-18573485932
E-mail: sales@tlmagnet.com
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