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Sintered AlNiCo
Sintered AlNiCo Magnet( AlNico magnets, magnet ring, magnet tiles, block magnets, magnet cylinder, ball magnets, horseshoe magnets)
Sintered Alnico magnet is usually restricted to smaller sizes , it has slightly lower magnetic properties, but better mechanical strength than cast alnico magnet. Sintered Alnico magnet is widely used in all kinds of magnetic products including sensors, meters, controller speedometer and other applications.
Process Flow:Raw Material-----Power-----Pressing----Sintering-----Heat Treatment----Magnetic Testing-----Grinding-----Inspection-----Packing and Shipping
| Material Grade | SLN 8 |
SLNG 12 |
SLNGT 18 |
SLNGT 28 |
SLNG 34 |
SLNGT 31 |
SLNGT 38 |
SLNGT 42 |
SLNGT 38J | |
| Equivalent MMPA Class | Alnico3 | Alnico2 | Alnico8 | Alnico6 | Alnico5 | Alnico8 | Alnico8HC | |||
| Br | mT | 520 | 700 | 600 | 1000 | 1100 | 780 | 800 | 880 | 730 |
| Gs | 5200 | 7000 | 6000 | 10000 | 11000 | 7800 | 8000 | 8800 | 7300 | |
| Hcj | KA/m | 43 | 43 | 107 | 57 | 51 | 106 | 126 | 122 | 163 |
| Oe | 540 | 540 | 1350 | 710 | 640 | 1130 | 1580 | 1530 | 2050 | |
| Hcb | KA/n | 40 | 40 | 95 | 56 | 50 | 104 | 123 | 120 | 151 |
| Oe | 500 | 500 | 1200 | 700 | 630 | 1300 | 1550 | 1500 | 1900 | |
| (BH)max | KJ/m3 | 8-10 | 12-14 | 18-22 | 28-30 | 34-38 | 33-36 | 38-42 | 42-48 | 38-40 |
| MGOe | 1.0-1.25 | 1.5-1.75 | 2.25-2.75 | 3.5- 3.8 |
3.5-4.15 | 3.9- 4.5 |
4.75-5.3 | 5.3- 6.0 |
4.75- 5.0 | |
| Density | g/cm3 | 6.7 | 7 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.25 | 7.2 |
| Temp- erature Coef- ficient |
Near Br %/K | -0.02 | -0.014 | -0.02 | -0.02 | -0.016 | -0.02 | -0.02 | -0.02 | -0.02 |
| Curie Tempe- rature Tc |
℃ | 760 | 810 | 850 | 850 | 890 | 850 | 850 | 850 | 850 |
| Maximum Working Tepe- rature Tw |
℃ | 450 | 450 | 550 | 525 | 525 | 550 | 550 | 550 | 550 |
| Remark | Isotropy | Anisotropy | ||||||||
