Bonded Neodymium Magnetic Compounds
Bonded Neodymium Magnetic CompoundsIntroductions
Bonded neodymium magnets(bonded NdFeB magnet) has high mechanical performance and no need for surface coating and other processes, which can effectively avoid the shortcomings of brittle and poor corrosion resistance of sintered NdFeB magnet.
Isotropic bonding neodymium magnets with complex shapes can be obtained through injection molding and subsequent magnetization process, there is no need to apply the magnetic field into an injection mold. Yet, it is necessary for anisotropic bonding neodymium magnets to apply the magnetic field into injection mold to magnetize magnets in a variety of patterns.
A bonded neodymium magnet can be magnetized in the axial, radial, multi-poles, or local direction, which is difficult for sintered NdFeB magnets.
Bonded NdFeB Magnet Material Properties
Several times stronger magnetic property than ferrite bonded magnet contributes to miniaturization and lightweight of parts.
High dimensional precision makes it suitable for precision parts.
The bonded neodymium/NdFeB magnet material can be wholly, partially magnetized, or demagnetized.
Applications of Bonded Neodymium Magnetic Compounds
Motor rotor; micro-sensor; micro-motor; electronic expansion valve; etc.
Specification of Bonded Neodymium Magnetic Compounds
|
Grade |
Br |
HcB |
HcJ |
(BH)max |
neodymium magnet / NdFeB Mold density |
Melt Flow Rate |
IZOD Impact Strength |
Tensile Strength |
Flexural Strength |
Composition |
||||
|
Residual Flux Density |
Coercive Force |
Intrinsic Coercive Force |
Maximum Energy Product |
|||||||||||
|
mT |
Gs |
kA/m |
Oe |
kA/m |
Oe |
kJ/m3 |
MGOe |
g/cm3 |
g/10min |
kJ/m2 |
MPa |
MPa |
||
|
NB25 |
353 |
3530 |
247 |
3098 |
725 |
9112 |
1000 |
25 |
53 |
95 |
NdFeB+PA12 |
|||
|
NB30L1 |
381 |
3810 |
256 |
3211 |
671 |
8431 |
800 |
10 |
40 |
75 |
||||
|
NB40 |
455 |
4550 |
300 |
3769 |
697 |
8760 |
900 |
14 |
51 |
90 |
||||
|
NB50 |
503 |
5030 |
325 |
4078 |
647 |
8132 |
400 |
11 |
50 |
85 |
||||
|
NB70 |
592 |
5920 |
370 |
4647 |
681 |
8549 |
860 |
8 |
45 |
88 |
||||
|
NB80 |
647 |
6470 |
384 |
4829 |
589 |
7401 |
335 |
8 |
55 |
100 |
||||
|
NC15 |
276 |
2760 |
195 |
2453 |
679 |
8531 |
1200 |
9 |
40 |
105 |
NdFeB+PPS |
|||
|
NC20 |
336 |
3360 |
235 |
2946 |
656 |
8241 |
1200 |
9 |
40 |
110 |
||||
|
NC30 |
370 |
3700 |
266 |
3346 |
943 |
11840 |
1000 |
8 |
44 |
110 |
||||
|
NC30L |
384 |
3840 |
264 |
3310 |
680 |
8548 |
900 |
8 |
45 |
110 |
||||
|
NC40H |
447 |
4470 |
312 |
3915 |
899 |
11295 |
400 |
6 |
53 |
87 |
||||
|
NC50 |
500 |
5000 |
340 |
4274 |
877 |
11023 |
200 |
6 |
48 |
88 |
||||
|
NC60 |
533 |
5330 |
372 |
4672 |
899 |
11290 |
150 |
6 |
43 |
83 |
||||
|
HNB120a |
786 |
7860 |
461 |
5790 |
860 |
10800 |
500 |
12 |
48 |
86 |
HDDR +PA12 |
|||
|
HNB140a |
821 |
8210 |
501 |
6290 |
1003 |
12600 |
113 |
400 |
7 |
47 |
83 |
|||
MFR Test Condition: NB/HNB series (270℃, 10kg); NC series (310℃, 10kg).
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