Sintered AlNiCo Magnets

Sintered AlNiCo magnets are manufactured by powder metallurgy technology which similar with other sintered magnets. Its overall magnetic performance is slightly low than cast AlNiCo magnets, thus not commonly used like the latter. Sintered AlNiCo magnets are well adapted for small-sized, thin, light, and complex shaped magnets. Beside high dimensional accuracy and tight tolerance. It also has superior mechanical strength and machinability. Viewing from the production, sintered AlNiCo magnets have higher utilization ratio of material, lower composition segregation and magnetic performance fluctuation compared to the cast AlNiCo magnets.

Sintered AlNiCo Magnets-Main

Manufacturing Process of Sintered AlNiCo Magnets

Sintered AlNiCo Magnets-Process

Magnetic Properties of Sintered AlNiCo Magnets

Grade Remanence

Br

Coercivity

Hcb

Max. Energy Product

(BH)max

Temp. Coefficient

Tk

Curie Temp. Max. Operating Temperature MMPA Equivalent
mT Gs kA/m Oe kJ/m3 MGOe %/℃

(Br)

%/℃

(Hcj)

FLN8 500 5000 40 500 9 1.13 -0.02 -0.03 760 450 AlNiCo3
FLNG12 700 7000 48 600 12.4 1.55 -0.02 -0.03 810 450 AlNiCo2
FLNGT18 600 6000 90 1130 18 2.2 -0.02 -0.03 860 450 AlNiCo7
FLNG34 1200 12000 48 600 34 4.25 -0.02 -0.03 890 450 AlNiCo5
FLNG37 1250 12500 48 600 37 4.63 -0.02 -0.03 890 450 AlNiCo5
FLNGT28 1050 10500 60 600 28 3.5 -0.02 -0.03 850 450 AlNiCO6
FLNGT38 800 8000 120 1500 38 4.75 -0.02 -0.03 850 450 AlNiCo8
FLNGT42 880 8800 120 1500 42 5.25 -0.02 -0.03 820 450 AlNiCo8
FLNGT36J 700 7000 140 1750 33 4.13 -0.02 -0.03 850 450 AlNiCo8HC
  • The above-mentioned data of magnetic properties and physical properties are given at room temperature.
  • The max working temperature of magnet is changeable due to length-diameter ratio, coating thickness and other environment factors.