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Sintered Smco Magnet

SmCo is also named with SmCo magnetic steel, SmCo permanent magnet, SmCo
permanent magnetic iron and rare-earth cobalt permanent magnet. It’s a high performance, low temperature coefficient permanent magnet with its high working temperature—350 degree centigrade. When working above 180 degree centigrade, its maximum energy product BH and steady temperature are superior than NdFeB magnetic materials. It needn’t to be coated because it is difficult to be eroded and oxidized. 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
, Samarium Cobalt holds its standard property in higher maximum temperatures than  Neodymium, although its maximum strength is less. The cost of SmCo material is the most expensive, so SmCo is recommended only when its performance is a high temperature environment is a concern.

The characteristics of Samarium Cobalt Magnet

*Very high magnetic properties with good stability.

*Superior resistance to high temperature, Curie temperature of majority is over 800

*Excellent corrosion resistance capability, no coating is needed for surface protection

MAGNETIC PROPERTIES OF SINTERED SMCO MAGNETS

Code

Br

Hcb

Hcj

(BH)max

mT

kGs

kA/m

koe

kA/m

koe

kJ/m3

MGoe

XC16

750~880

7.5~8.8

597±40

7.5±0.5

≥1591

≥20.0

127±16

16±2

XC16A

750~880

7.5~8.8

597±40

7.5±0.5

≥1989

≥25.0

127±16

16±2

XC16B

750~880

7.5~8.8

597±40

7.5±0.5

≥2386

≥30.0

127±16

16±2

XC18

800~930

8.0~9.3

637±40

8.0±0.5

≥1194

≥15.0

143±16

18±2

XC18A

800~930

8.0~9.3

637±40

8.0±0.5

≥1591

≥20.0

143±16

18±2

XC18T

800~930

8.0~9.3

637±40

8.0±0.5

≥1591

≥20.0

143±16

18±2

XC18B

800~930

8.0~9.3

637±40

8.0±0.5

≥1989

≥25.0

143±16

18±2

XC20

900~980

9.0~9.8

637±40

8.0±0.5

≥1432

≥18.0

159±16

20±2

XC20

900~950

9.0~9.5

≥670

8.5~9.2

≥1591

≥20.0

159±16

20±2

XC20A

900~980

9.0~9.8

637±40

8.0±0.5

≥1989

≥25.0

159±16

20±2

XC22

900~1030

9.0~10.3

653±40

8.2±0.5

≥1432

≥18.0

175±16

22±2

XC22A

900~1030

9.0~10.3

653±40

8.2±0.5

≥1989

≥25.0

175±16

22±2

XC24

950~1080

9.5~10.8

676±40

8.2±0.5

≥1432

≥18.0

191±16

24±2

XC24A

1000~1100

10.0~11.0

676±40

8.2±0.5

≥1989

≥25.0

191±16

24±2

XC26

1000~1130

10.0~11.3

357~516

4.5~6.5

413~556

5.0~7.0

207±16

26±2

XC26A

1000~1130

10.0~11.3

716±40

9.0±0.5

≥796

≥10.0

207±16

26±2

XC26B

1000~1130

10.0~11.3

716±40

9.0±0.5

≥1194

≥15.0

207±16

26±2

XC26C

1000~1130

10.0~11.3

716±40

9.0±0.5

≥1591

≥20.0

207±16

26±2

XC26D

1000~1080

10.0~10.8

≥732

9.0~10.5

≥2300

≥30.0

207±16

26±2

XC28

1060~1180

10.6~11.8

357~516

4.5~6.5

413~556

5.0~7.0

223±16

28±2

XC28A

1060~1180

10.6~11.8

763±40

9.6±0.5

≥796

≥10.0

223±16

28±2

XC28B

1050~1150

10.5~11.5

≥750

9.4~9.8

≥960

≥12.0

223±16

28±2

XC28C

1060~1180

10.6~11.8

763±40

9.6±0.5

≥1194

≥15.0

223±16

28±2

XC30

1100~1200

11.0~12.0

438~597

5.5~6.5

454~597

5.7~7.5

238±16

30±2

XC30A

1100~1200

11.0~12.0

≥560

7.0~8.5

≥716

≥12.0

238±16

30±2

Two types of SmCo magnets are SmCo5 and Sm2Co17. SmCo5 has the maximum energy products of 18MGOe, comparing with the Sm2Co17 30MGOe, 2-17 composition is also more corrosion resistant and more stable at very high temperature. The maximum working temperature is between 250 centigrade degree to 350 centigrade degree.

Smco (Samarium Cobalt) magnets are highly resistant to corrosion and require no special surface treatment. This makes SmCO magnets an excellent choice for compact designs where high temperature environments may be required
SmCo magnets, ab. for Samarium Cobalt Magnets, existed in SmCo5 magnet and Sm2Co17 magnet, are available the designer a tremendous combination of extremely high magnetic properties, outstanding thermal stability and excellent corrosion resistance.
These Characters make SmCo the ideal material in applications like servo-motors, pump couplings, and sensors, particularly where the magnet is required to operate at high temperature, across a broad temperature range of in a corrosive environment.
SmCo magnet is a high performance, low temperature coefficient permanent magnet which made of samarium and cobalt and other rare-earth elements. Its biggest advantage is its hight working temperature---350o C. It needn't to be coated because it is difficult to be eroded and oxidized. SmCo magnet is widely used in motors, watch, transducers, instruments, positional detector, generators, radar, and etc.

                                                                                           

 

 

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