Compression bonding is a technique whereby a special form of NdFeB powder is blended with a plastic carrier material, die pressed and then heated. Parts produced this way can have complex geometry, coming off the tool with close tolerances, with little or no finishing required.
|
Compression Bonded NdFeB Grades |
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|
Grade |
Br |
HcB |
HcJ |
(BH)max |
D |
Equivalent IEC Class |
% Change Per C |
Tc |
Tw |
||||
|
|
mT |
Gs |
KA/m |
Oe |
KA/m |
Oe |
KJ/m3 |
MGOe |
g/cm3 |
|
Near Br |
℃ |
℃ |
|
NB4 |
450 |
4500 |
320 |
4000 |
560 |
7000 |
32.0 |
4.00 |
5.0 |
REFe 24/80P |
-0.1 |
400 |
150 |
|
NB6 |
550 |
5500 |
320 |
4000 |
560 |
7000 |
40.0 |
5.00 |
5.5 |
REFe 40/80P |
-0.1 |
400 |
150 |
|
NB8 |
635 |
6350 |
360 |
4500 |
640 |
8000 |
64.0 |
8.00 |
5.8 |
REFe 64/80P |
-0.1 |
400 |
140 |
|
NB8H |
610 |
6100 |
400 |
5000 |
1040 |
13000 |
60.0 |
7.50 |
5.8 |
REFe 60/130P |
-0.1 |
305 |
140 |
|
NB10 |
680 |
6800 |
400 |
5000 |
640 |
8000 |
72.0 |
9.00 |
6.0 |
REFe 72/80P |
-0.1 |
360 |
140 |
|
NB10H |
710 |
7100 |
400 |
5000 |
640 |
8000 |
80.0 |
10.00 |
6.1 |
|
-0.1 |
360 |
150 |
|
NB12 |
760 |
7600 |
416 |
5200 |
716 |
9000 |
80.0 |
10.00 |
6.4 |
REFe 80/80P |
-0.1 |
360 |
150 |
|
NB12D |
750 |
7500 |
448 |
5600 |
720 |
9000 |
88.0 |
11.00 |
6.4 |
REFe 80/90P |
-0.07 |
470 |
160 |
|
ALL GRADES ISOTROPIC |
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COMPRESSION BONDED NdFeB MAGNETS
© BJA Magnetics 2008
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