Sintered Ferrite magnets

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Sintered Ferrite magnets are used in many fields, and is manufactured by powder metallurgy. Properties include isotropy and anisotropy with Ba and Sr. This permanent magnet has difficult demagnetization, is rust resistant, and can work at 250℃. Ferrite is rigid and crisp, which can be cut and machined using diamond, dies are made with steel alloy. 
The sintered hard ferrite magnets are available in isotropic magnet and anisotropic magnet.

The sintered ferrite magnet has high hardness. It means that can only used diamond tools cutting, grinding techniques can be used to manufacture these products. Attention is required during production & transportation due to their brittle nature.




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Application field
The sintered ferrites have widely applications due to their low cost and simple manufacturing process; The applications include permanent motors, DC motor, loudspeakers, reed switch operation, magnetic separator assemblies and holding devices etc.

Magnetic Properties

Grade

Remanence(Br)

Coercivity Force(Hcb)

Intrinsic Coercive Force(Hcj)

Max. Energy Product(BHmax)

Maximum Operating Temp.

mT

kGs

kA/m

kOe

kA/m

kOe

kJ/m3

MGOe

Y10T

≥200

≥2000

≥125

≥1600

≥210

≥2600

≥6.5

≥0.8

250 

Y20

≥360

≥3600

≥135

≥1700

≥140

≥1760

≥20.0

≥2.5

250 

Y25

≥380

≥3800

≥144

≥1800

≥150

≥1880

≥24.0

≥3.0

250 

Y30

≥390

≥3900

≥184

≥2300

≥188

≥2350

≥27.6

≥3.4

250 

Y30BH

≥390

≥3900

≥240

≥3000

≥256

≥3200

≥27.6

≥3.4

250 

Y35

≥410

≥4100

≥208

≥2600

≥212

≥2660

≥30.4

≥3.8

250 



Typical Magnets: 


» AF12*18mm hard ferrite magnetic rotor

» AF10.5*16mm hard ferrite magnetic rotor

» AF15*25 hard ferrite magnetic rotor

ferrite rotor magnets AF16*25

» AF16*25mm hard ferrite magnetic rotor

» FR18.05*4*6.5mm isotropic hard ferrite magnets

» AF18.2*35mm hard ferrite magnetic rotor diametrical magnetization

» FR18.2*35mm hard ferrite magnets diametrical magnetization

» FR32*18*6 mm hard ferrite magnets

» AF35.5x36mm hard ferrite magnetic rotor 16 poles

» FR45*27*29mm hard ferrite Magnets 6 poles

» FSR22.8*r16.85*W40*L41

» FF39.5*27.6*10.7 Y40 hard ferrite magnets



News:

 » What is the difference between the isotropic and anisotropic ferrite magnet?

 Product list of ferrite pump rotor


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