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Stong Cast AlNiCo Arc Magnets For Motor

alnico magnet

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Alnico magnets, composed of primarily aluminum, nickel, and cobalt, were developed in the 1940's. This class of magnet remains a preferred material because of it's excellent temperature stability, high magnetic flux density, and resistance to corrosion. Alnico magnets are manufactured through a casting or sintering process. The casting process allows for the magnet to be manufactured into intricate and complex shapes, which are not possible with other magnetic materials.
 
Key Advantages
Excellent temperature stability
Strong corrosion resistance
The maximum working temperature is up to 500°c
Excellent capacity
High density and magnetic properties
Shorter production lead time
Temperature factor of Br is the smallest among all the permanent magnets
Cast Alnico magnets can be produced in relatively complex shapes
Tooling for cast Alnico magnets is relatively low, since sand molds are generally used for the casting process.

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Typical Magnetic Properties
 
Grade MMPA Equivalent Br Hcb Hcj (BH)max Remark
mT Gs kA/m Oe kA/m Oe kJ/m3 MGOe
LN10 Alnico3 600 6000 40 500 43 540 10 1.20 Isotropic
LNG13 Alnico2 680 6800 48 600 51 640 13 1.60
LNGT18 Alnico8 580 5800 90 1130 92 1160 18 2.20
LNG37 Alnico5 1200 12000 48 600 49 610 37 4.65 Anisotropic
LNG40 1250 12500 48 600 49 610 40 5.00
LNG44 1250 12500 52 650 53 660 44 5.50
LNG52 Alnico5DG 1300 13000 56 700 57 710 52 6.50
LNG60 Alnico5-7 1350 13500 59 740 60 750 60 7.50
LNGT28 Alnico6 1000 10000 58 720 59 740 28 3.50
LNGT36J Alnico8HC 700 7000 140 1750 148 1850 36 4.50
LNGT38 Alnico8 800 8000 110 1380 112 1400 38 4.75
LNGT44 880 8800 120 1500 122 1530 44 5.50
LNGT60 Alnico9 900 9000 110 1380 112 1400 60 7.50
LNGT72 1050 10500 112 1400 114 1430 72 9.00
 

CONTACT US

  Hang Zhou XiaoShan Dunben Magnet  Co., Ltd 
 1702, Unit 2, Building 1, Dacheng Mingzuo, Shiixn Road, Xiaoshan, Hangzhou, Zhejiang, China
  86-571-82750965 
  86-571-82751287
 wang@dbmagnet.com
 

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