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Sintered AlNiCo Magnet Manufacturer

Sintered AlNiCo magnet is manufactured by traditional powder metallurgy technology which is the same as other sintered permanent magnets. The overall magnetic properties of sintered AlNiCo magnets are slightly lower than cast AlNiCo magnets, thus not so frequently used as the latter. Sintered AlNiCo magnets are well adapted for small-sized (less than 28 grams), thin, light, and special-shaped magnets. In addition to high dimensional accuracy, tight tolerance, and further machining steps, sintered AlNiCo magnet also exhibits slight mechanical strength and machinability. Viewing from the large volume production, sintered AlNiCo magnet has a higher material utilization ratio, lower composition segregation, and magnetic performance fluctuation in comparison with cast AlNiCo magnet.

Sintered AlNiCo Magnet
Performance grades of sintered AlNiCo magnets

Grades

Equivalent MMPA Class

Remanence

Coercive Force

Coercive Force

Maximum Energy Product

Density

Reversible Temp

Curie Temp

Temp Coefficie

Remark

Br

Hcj

Hcb

（BH)max

g/㎤

α（Br）

TC

TW

mT

Gs

KA/m

Oe

KA/m

Oe

KJ/m³

MGOe

%/℃

℃

℃

SLN8

Alnico3

520

5200

43

540

40

500

8-10

1.0-1.25

6.8

-0.02

730

450

Isotropic

SLNG12

Alnico2

700

7000

43

540

40

500

12-14

1.5-1.75

7

-0.014

810

450

SLNGT18

Alnico8

600

6000

107

1350

95

1200

18-22

2.25-2.75

7.2

-0.02

850

550

SLNGT28

Alnico6

1000

10000

57

710

56

700

28-30

3.5-3.8

7.2

-0.02

850

525

Anisotropy

SLNG34

Alnico5

1100

11000

51

640

50

630

14-38

3.5-4.15

7.2

-0.016

890

525

SLNGT31

Alnico8

780

7800

106

1130

104

1300

3-36

3.9-4.5

7.2

-0.02

850

550

SLNGT38

800

8000

126

1580

123

1550

38-42

4.75-5.3

7.2

-0.02

850

550

SLNGT42

880

8800

122

1530

120

1500

42-48

5.3-6.0

7.25

-0.02

850

550

SLNGT38J

Alnico11

730

7300

151

2050

151

1900

38-40

4.75-5.0

7.2

-0.02

850

550

Manufacturing Process of Sintered AlNiCo Magnet
About Our Company

Magnetic material core technology research and development team

Hangzhou Zhiyu Magnetic Technology Co., Ltd. is China Sintered AlNiCo Magnet manufacturers and Sintered AlNiCo Magnet factory. Hangzhou Zhiyu Magnetic Technology Co., Ltd. is located in Tonglu County, Hangzhou City. It mainly focuses on the research and production of samarium cobalt permanent magnetic materials and magnetic components, and also sells magnetic steel and magnetic components such as neodymium iron boron and aluminum nickel cobalt.
The products are widely used in industries such as national defense and military, aerospace, permanent magnet (high-speed) motors, hydrogen energy compressors, automotive electronics, 5G communication, petrochemical, instrumentation, etc. The variety of samarium cobalt products is complete, with an annual production capacity of over 200 tons;
Fully covering the entire series of samarium cobalt grades of 1:5 and 2:17, covering the entire series of Br0.5T-1.2T;
Stable production of high-performance samarium cobalt magnetic steel with Br ≥ 1.16T and Hcj≥25KOe;
Stable production of Br≥0.96T low-temperature coefficient series products, with residual magnetic temperature coefficient a<-0.01%;
Stable production of ultra-high temperature (temperature resistance ≥ 550 ℃) and high Br (Br ≥ 1.02T) samarium cobalt magnetic steel;
Provide one-stop services from design to product application.

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Industry knowledge

In which industries are sintered AlNiCo magnets commonly used?
Sintered AlNiCo (Aluminum-Nickel-Cobalt) magnets find applications in various industries due to their unique magnetic properties and temperature stability. Here are some industries where sintered AlNiCo magnets are commonly used:
Automotive Industry: Sintered AlNiCo magnets are utilized in automotive systems, including sensors, electric motors, alternators, ignition systems, and fuel injectors. They provide reliable performance under high-temperature conditions and contribute to the efficient operation of automotive components.
Aerospace Industry: Sintered AlNiCo magnets are used in aerospace applications such as sensors, actuators, switches, and navigation systems. Their stability at high temperatures and resistance to demagnetization make them suitable for aerospace environments.
Electrical Industry: Sintered AlNiCo magnets are employed in electrical devices and systems, including transformers, generators, relays, loudspeakers, and magnetic pickups. They offer strong magnetic fields and high-temperature stability, making them suitable for demanding electrical applications.
Industrial Manufacturing: Sintered AlNiCo magnets find applications in various industrial manufacturing processes, including magnetic chucks, lifting devices, magnetic separators, and holding systems. Their high coercivity and temperature stability make them suitable for challenging industrial environments.
Instrumentation and Measurement: Sintered AlNiCo magnets are commonly used in scientific instruments, laboratory equipment, and measurement devices. They find applications in areas such as magnetic flow meters, level indicators, compasses, and magnetic sensors.
Medical and Healthcare: Sintered AlNiCo magnets have applications in the medical and healthcare industry, including magnetic resonance imaging (MRI) machines, dental equipment, magnetic therapy devices, and drug delivery systems. Their stable magnetic properties and biocompatibility make them suitable for medical applications.
Energy Generation and Power Systems: Sintered AlNiCo magnets are utilized in energy generation systems, including electric power generators, wind turbines, and hydroelectric generators. Their temperature stability and durability contribute to efficient energy conversion.
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