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Sintered Alnico Magnets

Sintered Alnico has marginally lower magnetic properties, but better mechanical properties, than cast Alnico. Both are hard and brittle materials. They require skillful machining that is best performed on specialized equipment.

Characteristics

  • Suitable for small volume magnets with complex shape

  • Compact crystal, high intensity

  • Regular shape, precision size

  • Even elements, stable performance

  • Suitable for compound magnet

  • Excellent temperature stability (temp. coefficient of Br is the smallest among all of the other permanent magnets.)

Application:

Inner magnetic voltmeter/ammeter, electronic type power energy measuring instrument, avometer, flow meter

 A wide range of magnetic sensor, polarized relay, temperature and pressure controller, Buzzer of mobile phone, hearing aids, mini speaker, Lighter of automobile, odometer of automobile and motorcycle, permanent motor, adsorptive applianceWidely applied in high stability fields as aviation, space flight and military technology.

                

Grade

Br

bHc

iHc

(BH)max

Density

Tc

Remark

KGs

T

KOe

KA/m

KOe

KA/m

MGOe

KJ/m3

g/cm3

oC

FLN8

5.2

0.52

0.5

40

0.54

43

1.0-1.25

8-10

6.8

760

Isotropic

FLNG12

7.0

0.7

0.5

40

0.54

43

1.5-1.75

12-14

7.0

810

FLNGT14

5.7

0.57

0.95

76

0.98

78

1.75-2.0

14-16

7.1

850

FLNGT18

5.6

0.56

1.1

88

1.13

90

2.25-2.75

18-22

7.2

850

FLNG28

10.5

1.05

0.58

46

0.59

47

3.5-4.15

28-33

7.2

850

Anisotropic

FLNG34

11.0

1.1

0.63

50

0.64

51

4.3-4.8

34-38

7.2

890

FLNGT28

10.0

1.0

0.7

56

0.71

57

3.5-3.8

28-30

7.2

850

FLNGT31

7.8

0.78

1.3

104

1.13

90

3.9-4.5

31-36

7.2

850

FLNG33J

6.5

0.65

1.7

135

1.88

150

4.15-4.5

33-36

7.2

850

FLNGT38

8.0

0.8

1.55

123

1.58

126

4.75-5.3

38-42

7.2

850

FLNGT42

8.8

0.88

1.5

120

1.53

122

5.3-6.0

42-48

7.25

850

 

Alnico  magnets Excellent temperature stability, high residual induction, and relatively high energies characterize Alnico materials, composed primarily of alloys of Aluminum, Nickel, and Cobalt. They are manufactured through either a casting or sintering process.
A
lnico  (Aluminum-Nickel-Cobalt) Magnet is high-energy permanent magnet, which posses high flux density, high coercive, high energy product and extreme stability for temperature changes. It exhibits good resistance to demagnetization, stability in high temperatures and excellent conduction

 

 

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