Rare earth permanent magnet materials

Rare earth permanent magnet material is Sm, Nd mixed rare earth and transition metals (such as cobalt, iron, etc.) of the alloy composition, with pressure-sintering powder metallurgy method, the magnetic field magnetization of the system after a magnetic material.

Rare earth permanent magnet-samarium cobalt (SmCo) and the Nd-Fe-B permanent magnet (NdFeB) of the permanent magnet, SmCo Magnets energy product in the 15 to 30 MGOe between NdFeB Magnets of the energy product in between 27 to 50 MGOe , called the "Permanent Magnet Wang," is the highest permanent magnetic materials. Samarium cobalt permanent magnets, despite its excellent magnetic properties, but with scarce reserves of rare earth samarium and scarce, expensive strategic metal cobalt, therefore, a lot to the development restrictions. China's rare earth permanent magnet the development of the industry began in the late 1960s, when the dominant product is Sm - cobalt permanent magnet, Sm - cobalt permanent magnet World sales of 630 tons, to 90.5 tons in China (including SmCo magnetic), which is used military technologies.

With the computer, communications, and other industries, in particular rare earth permanent magnet NdFeB Magnets industry has made rapid development.

Tags: neodymium magnets Rare earth permanent magnet,magnet,permanent magnet Smco magnets