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Tube SMCO magnet OD15*ID5*4mm

Samarium Cobalt magnets Series 2-17 (Sm2Co17)

These Samarium Cobalt magnet (Sm2Co17) alloys are an age hardening type with a composition of two atoms of rare earth Samarium Cobalt and 13-17 atoms of transition metals (TM). The TM content is rich in cobalt, but contains other elements such as iron and copper. Other elements like zirconium, hafnium and such may be added in small quantities to achieve better heat treatment response. By weight the alloy will generally contain 25% of Samarium. The maximum energy products of these alloys range from 20 MGOe to 32 MGOe.

These alloys have the best reversible temperature coefficient of all rare earth alloys, typically being -0.03%/ˇăC. The "second generation" Samarium Cobalt materials can also be used at higher temperatures. The most advanced Samarium Cobalt material offered by MCE is S3069 which has a guaranteed maximum energy product of 29.5 MGOe minimum. All the SmCo alloys with energy products that are 22 MGOe and higher that MCE offers are made from the Series 2-17 alloy.

Applications of Tube SMCO magnet OD15*ID5*4mm
Computer disc drives
Traveling wave tubes
Satellite systems
Motors where temporary stability is vital
Attributes of SmCo Magnet
High resistance to demagnetization
High Energy Product
Good temperature stability
High resistance of corrosion and oxidation
Expensive material (cobalt is market price sensitive)
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