ANISOTROPIC DRY TYPE FERRITE MAGNETS
(I) Introduction:
Anisotropic type magnets are sintered permanent magnets composed of strontium ferrite and are pressed in a magnetic field for a preferred direction. They have only in this preferred direction good magnetic properties and can be magnetized only in this direction. At the same magnetic volume, a higher magnetic flux is obtained than with isotropic magnets. They also exist in two types (dry and wet type.) A dry pressed magnets is formed by molding into the desired shape. A wet press magnet is formed by slowly molding mud-like impalpable into the desired shape.


(II) TYPICAL MAGNETIC PROPERTIES ON FERRITE MAGNET:
Material:SR-1 Strontium Ferrite


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Remanence

Coercivity

Maximum
Energy Product

Br

bHc

iHc

(BH)max

G

mT

Oe

kA/m

Oe

kAm

MGOe

kj/m3

Typical

3700

370

2800

224

3000

240

3.2

25.6

Minimum

3600

360

2700

216

2900

232

3.0

24.0


Material:SR-1-H Strontium Ferrite


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Remanence

Coercivity

Maximum
Energy Product

Br

bHc

iHc

(BH)max

G

mT

Oe

kA/m

Oe

kAm

MGOe

kj/m3

Typical

3750

375

3500

280

3600

288

3.4

27.2

Minimum

3600

360

3250

260

3400

272

3.2

25.6


Applications of typical items in industry  
Application for Water Pump

Application for D.C. Motor

Application for Memo Holder

Application for Catches and Tools

Application for Toys and Industrial usage



ATLAS MAGTECH LTD.

Unit 18, 23, 7/F Goldfield Industrial Centre, No. 1, Sui Wo Road, Fo Tan, Shatin, N.T.
Hong Kong

Tel: (852) 2662 7028 Fax: (852) 2662 7029

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