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AlNiCo Magnet

  
 

- Produced by casting or powder metallurgical techniques
- An ally composed of matrix of Al-Ni-Fe-Co
- Very brittle & hard
- Poor resistance to demagnetisation
- Produce good flux density at an reasonable cost
- Excellent stability over a wide temperature range
- Max working temperature can range 500 - 550 ¢XC

  
 
Typical Magnetic Properties
Type Grade Remanence
Br(Gs)		 Coercivity
bHc(Oe)		 Intrinsic Coercivity
iHc(Oe)		 Max. Energy Product
(BH)max(MGOe)
Cast Alnico 5 12,800 640 640 5,5
Alnico 5DG 13,300 670 670 6,5
Alnico 5-7 13,500 740 740 7,5
Alnico 6 10,500 780 800 3,9
Alnico 8 8,200 1,650 1,860 5,3
Sintered Alnico 5 10,900 620 630 3,9
Alnico 6 9,400 790 820 2,9
Alnico 8 7,400 1,500 1,690 4,0
 
 
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