Samarium Cobalt Magnet Information


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EA Magnetics - Samarium Cobalt Information

EA Magnetics - Product Information SAMARIUM COBALT MAGNETS
Main Page	Charts & Data	Your Project
Properties	Standard Parts

Samarium Cobalt Magnets
+	High Magnetic Strength	-	Very Brittle
+	Good Corrosion Resistance	-	Higher Cost
+	Good Temperature Stability

	EAM Samarium Cobalt Magnets —
	The original “rare earth” magnet material, Samarium Cobalt (SmCo) has been commercially available for more than three decades. While it has been replaced in many projects by newer materials, SmCo continues to perform in applications where no other materials can provide the required combination of characteristics. SmCo magnets boast a unique set of attributes – high magnetic strength, excellent corrosion resistance, and good stability at elevated temperatures. SmCo magnets can be used in situations where operating temperatures will exceed 500° F. As a result, in applications requiring a strong, corrosion resistant magnet that will be exposed to high temperatures, SmCo remains unmatched. SmCo is not only resistant to high temperature, but also highly coercive and very stable over a wide temperature range. This allows the field generated by SmCo magnets to remain relatively constant even after being exposed to numerous heating and cooling cycles. While Alnico magnets are similarly stable, they are far weaker magnetically than magnets made from SmCo. SmCo magnets are mechanically weak, and are subject to fracture under relatively low levels of compressive or tensile stress. This, combined with their elevated cost compared to some other materials has led to SmCo being replaced with sintered neodymium or injection molded materials in many applications. Please consult with an EA Magnetics project specialist regarding your particular SmCo magnet application for more information.

	See a comparison of the relative strengths of magnetic materials EAM’s knowledgeable product development team will assist you in choosing the optimal combination of binder and magnet material for your specific application.

EA Magnetics supplies magnets and magnetic assemblies to OEMs in all types of industries. Alnico, bonded ferrite, ceramic magnets, flexible magnets and magnet components for electronics and actuating devices. Our manufacturing capabilities include advanced magnetic modeling and characterization software to provide optimal support and engineering for sintered rare earth magnets, injection molded magnetic assemblies, rare earth magnets, samarium cobalt magnets, and technical magnets for all requirements.

Eneflux Armtek Magnetics, Inc - 700 Hicksville Road - Unit 110 - Bethpage, NY 11714-3496 USA
Toll-Free (800) 2ARMTEK - (800) 227-6835 - Tel: (215) 504-1000 - Fax: (215) 504-1001 · info@EAMagnetics.com

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