What are the alnico magnet and samarium cobalt magnet?

　　Alnico magnet is an alloy that is made of aluminum, nickel, cobalt, iron and other trace metal elements. Casting process can be processed and produced into different sizes and shapes, with good processability. Cast Alnico magnets has the lowest reversible temperature coefficient, operating temperature up to 600 degrees Celsius. Alnico magnets products are widely used in various instruments and other applications.

　　Based on the composition, Samarium cobalt can be divided into SmCo5 and of Sm2Co17. The expensive material restricts its development. As a rare earth, samarium cobalt (SmCo) permanent magnet has a high energy product (14-28MGOe), reliable coercivity and good temperature characteristics. Compared with the Nd-Fe-B magnets, samarium cobalt magnets are more suitable to work in high temperature environment.

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