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Minerals glossary

Samarium-cobalt magnet

Also called SmCo, SmCo5, SmCo₅, Sm2Co17, Sm₂Co₁₇, samarium cobalt

A rare earth magnet that keeps its strength at higher temperatures and resists corrosion and radiation better than NdFeB. It is used in defense, aerospace and high-heat motors.

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Related terms

Rare earths and permanent magnets

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