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Magnetic Properties of Alnico Magnets (Aluminium-Nickel-Cobalt)
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Magnetic Properties of Casted Alnico
Ref. No. |
Material Grade |
Remanence |
Intrinsic Coercivity |
Max. Energy Product |
Br (mT) |
Br (kGs) |
iHc (kA/m) |
iHc (kOe) |
(BH)max (KJ/m3) |
(BH)max (MGOe) |
Alnico 3 |
*LN9 |
680 |
6.8 |
30 |
0.38 |
9.0 |
1.13 |
*LN10 |
600 |
6.0 |
39.8 |
0.50 |
10.0 |
1.20 |
Alnico 2 |
*LNG12 |
720 |
7.2 |
39.8 |
0.5 |
12.4 |
1.55 |
*LNG13 |
700 |
7.0 |
48.0 |
0.60 |
12.8 |
1.60 |
Alnico 5 |
LNG37 |
1200 |
12.0 |
48.0 |
0.60 |
37.0 |
4.65 |
LNG40 |
1250 |
12.5 |
48.0 |
0.60 |
40.0 |
5.0 |
LNG44 |
1250 |
12.5 |
52.0 |
0.65 |
44.0 |
5.5 |
Alnico 5DG |
LNG52 |
1300 |
13.0 |
56.0 |
0.70 |
52.0 |
6.5 |
Alnico 5-7 |
LNG60 |
1350 |
13.5 |
59.0 |
0.74 |
60.0 |
7.5 |
Alnico 6 |
LNGT28 |
1000 |
10.0 |
58.0 |
0.72 |
28.0 |
3.5 |
Alnico 8HC |
LNGT36J |
700 |
7.0 |
140.0 |
1.75 |
36.0 |
4.5 |
Alnico 8 |
*LNGT18 |
580 |
5.8 |
100.0 |
1.25 |
18.0 |
2.2 |
Alnico 8 |
LNGT32 |
800 |
8.0 |
100.0 |
1.25 |
32.0 |
4.0 |
LNGT40 |
800 |
8.0 |
110.0 |
1.38 |
40.0 |
5.0 |
Alnico 9 |
LNGT60 |
900 |
9.0 |
110.0 |
1.38 |
60.0 |
7.5 |
LNGT75 |
1050 |
10.5 |
112.0 |
1.4 |
72.0 |
9.0 |
Note: * means isotropy
Magnetic Properties of Sintered Alnico
Material Grade |
Remanence |
Coercivity |
Intrinsic Coercivity |
Max. Energy Product |
Br (mT) |
Br (kGs) |
bHc (kA/m) |
bHc (kOe) |
iHc (kA/m) |
iHc (kOe) |
(BH)max (KJ/m3) |
(BH)max (MGOe) |
*FLN8 |
520 |
5.2 |
40 |
0.5 |
43 |
0.54 |
8-10 |
1.0-1.25 |
*FLNG12 |
700 |
7.0 |
40 |
0.5 |
43 |
0.54 |
12-14 |
1.5-1.75 |
*FLNGT14 |
570 |
5.7 |
76 |
0.95 |
78 |
0.98 |
14-16 |
1.75-2.00 |
*FLNGT18 |
560 |
5.6 |
88 |
1.1 |
90 |
1.13 |
18-22 |
2.25-2.75 |
FLNG28 |
1050 |
10.5 |
46 |
0.58 |
47 |
0.59 |
28-33 |
3.5-4.15 |
FLNG34 |
1100 |
11.0 |
50 |
0.63 |
51 |
0.64 |
34-38 |
4.3-4.8 |
FLNGT28 |
1000 |
10.0 |
56 |
0.7 |
57 |
0.71 |
28-30 |
3.5-3.8 |
FLNGT31 |
780 |
7.8 |
104 |
1.3 |
90 |
1.13 |
31-36 |
3.9-4.5 |
FLNG33J |
650 |
6.5 |
135 |
1.7 |
150 |
1.88 |
33-36 |
4.15-4.5 |
FLNGT38 |
800 |
8.0 |
123 |
1.55 |
126 |
1.58 |
38-42 |
4.75-5.3 |
FLNGT42 |
880 |
8.8 |
120 |
1.5 |
122 |
1.53 |
42-48 |
5.3-6.0 |
Note: * means isotropy
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