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High Temperature SmCo Permanent Motor Magnet

SmCo magnet Info:
Material: SmCo1:5 ,SmCo2:17
Shape:Segment , Arc
Specification:ISO9001,ROHS, SGS
Application:Computer disc drives, sensors, traveling wave tubes, linear actuators, satellite systems, motors where temporary stability is vital.

High Temperature SmCo Permanent Motor Magnet

SmCo is a high-capacity permanent magnet made from Sm,Co,Fe and other trace metal elements. Besides a max working temperature of 300ºC, it has remarkable resistance against corrosion and oxidation. Hence, it may be used in aeronautic and space industries among others.

Attributes of Samarium Cobalt:

1. High resistance to demagnetization
2. High energy (magnetic strength is strong for its size)
3. Good temperature stability

Application of Samarium Cobalt:

Sintered SmCo magnet is widely used in motors, watch, transducers, instruments, positional detector, generators, radar communications, medical equipments, various magnetism spreading devices, magnetic processor, electrical engineering and magnetic derrick.

smco Characteristics.pdf

Characteristic comparisons of permannet magnetic material

Material Namde (BH)Max
Temp.Coefficientof Br(%°C) Maximum Woring Temp(C°)  Anti
1:5 SmCo 16-25 15-25 -0.05 200-250 good
2:17 SmCo 22-30 6-30 -0.03 200-350 goog
NdFeB 26-52 12-30 -0.11 80-200 bad
Ferrite 3-4.5 3-4.5 -0.19 200-500 good
Alnico 5-10 1-1.8 -0.03 450-500 excellent

smco process flow



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