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HUAXIA Magnet Co., Ltd
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Blocks Shape Cast Alnico Magnet , Sintered Alnico Magnet OEM
| Place of Origin: | Zhejiang, China (Mainland) |
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Product Detail
Blocks Shape Cast Alnico Magnet , Si
Blocks Shape Cast Alnico Magnet , Sintered Alnico Magnet With OEM
Quick Detail:
1. Density - 7.2 g/cm3
2. Manufacturing process - Sintering
3. Various shapes- blocks, bars, discs, rings, cylinders, complex shape,etc.
Sintered Alnico magnet is composed primarily of Aluminum, Nickel, Cobalt, Copper and Iron. Sintered aluminum nickel and cobalt uses the powder metallurgy method to make, easy to process small size and easy to control the tolerance, suitable for complex shape, light, thin, small products. but the magnetic properties is lower than the cast AlNiCo. It is an ideal material in high temperature application, which has high operating temperature up to 450°C and above, with excellent corrosion resistance. They can become partially demagnetized if they come in contact with other ferrous materials, special care is required during handling and storing. They are available in various grades depending on its application. Sintered Alnico have lower magnetic properties but offer higher mechanical characteristics.
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Physical Properties of Cast Alnico |
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Curie Temperature () |
760-890 |
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Max. Operating Temperature () |
450-550 |
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Resistivity (μohm.cm) |
47-54 |
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Hardness (Hv) |
500-630 |
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Density (g/cm³) |
6.80-7.25 |
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Relative Recoil Permeability (μrec) |
1.70-4.70 |
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Saturation Field Strength (kOe,kA/m) |
2.7-6.3/215-500 |
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Temperature Coefficient of Br (%/) |
-0.025 ~ -0.02 |
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Temperature Coefficient of iHc (%/) |
+0.01 ~ +0.03 |
Applications:
Instrumentations
Communications
Magnetic switches
Sensors and transformers
Safety Controls
Motors and Generators
Receivers
Telephones
Microphones
Bell ringers
Loudspeakers
Compass
Performance of Sintered AlNiCo Magnets
