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Samarium-Based Alloys

Samarium (Sm) is a bright, fairly hard lanthanide element belonging to the family of rare earth metals. It can be found combined with other lanthanide metals in several minerals the principal ones being bastnaesite and monazite. It is separated from the other constituents of the mineral by the procedures of ion exchange and solvent extraction. Samarium is relatively stable at room temperature in dry air, but it ignites when heated above 150℃ and forms an oxide coating in moist air.

Samarium-based alloys are compounds that combine samarium with other metal elements. The most common samarium-based alloy is samarium–cobalt (Sm-Co) alloy, which has permanent magnetization second only to neodymium magnets. Sm-Co alloy can withstand significantly higher temperatures without losing their magnetic properties, due to the alloy's higher Curie point.

Alfa Chemistry provides high-quality rare earth alloys at a competitive price. Samarium-based alloys we can supply including samarium-aluminum (Sm-Al) alloys, samarium–cobalt (Sm-Co) alloys and samarium-iron (Sm-Fe) alloys. We can customize various shapes of samarium-based alloys according to your requirements or drawings.

Samarium-based Alloys

Applications

As the most common samarium-based alloy, samarium-cobalt magnets are much more powerful than iron magnets. They remain magnetic at high temperatures. Typical applications of samarium-cobalt alloys include:

• High-temperature motors and generators
• Military applications
• Automotive (sensors)
• Aerospace (sensors)
• Magnetic pump couplings
• Oil drilling applications
• Cryogenic applications