Sm-Co magnet Sm2(Co,Fe)17
Numeric designation | Sm-Co-Magnet Sm2(Co,Fe)17 |
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Chemical designation | Sm-Co-Magnet Sm2(Co,Fe)17 |
Etching | 3% Nital |
Samarium-cobalt was the permanent magnet material with the highest magnetic energy density in the seventies. Today, neodymium-iron-boron magnets are more commonly used, but samarium-cobalt is more corrosion resistant and better suited for high temperatures.