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Neodymium iron Peng Yongci

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Description

Sintered NdFeB permanent magnetic material is currently the strongest magnetic world ” reputation by permanent magnetic materials, magnetic king”, and it has the advantages of small volume, light weight, reasonable price and so on, are widely used in electronics, communications, automotive, medical, electrical, magnetic and other industries. Application of NdFeB permanent magnet, has been involved in various fields of the national economy, especially in the computer industry, information industry, automobile industry, nuclear magnetic resonance imaging industry, CD-ROM, DVD enharmonic like industry has a broad application prospect.

Neodymium iron boron permanent magnet is a kind of energy storage material, can produce a constant magnetic field in a certain space. Because of its high coercivity and energy product, especially at 20℃ ~ 150 ℃environment compared with other permanent magnet performance, makes the Nd-Fe-B permanent magnetic materials in many fields especially in modern high-tech field has obtained the widespread application. The application of the physical principle we can be divided into the following:

Electric – mechanical energy conversion, such as: motor, speakers, VCM voice coil motor etc.;

Mechanical energy : power conversion, such as: generator, receiver, measurement instrument;

Mechanical energy, mechanical energy, such as: magnetic separation, magnetic, magnetic drive, magnetic hanging magnetic sucker;

Physical effects, such as: using magnetic field magnetic resonance, magnetic paraffin removal, magnetic oil-saving etc..

Sintered NdFeB permanent magnetic properties

NO

Level

(Br)
Remanence
(Hcb)
Coercivity
(Hcj)
Intrinsic Coercive Force
(BH)max
Max. Energy Product
Temperature
(L/D)≤0.7
KG T KOE KA/M KOE KA/M MGOE KJ/M3
standard value standard value standard value standard value standard value standard value
1 N35 12.1 1.21 11.5 915 ≥12 ≥955 35 279 ≤80
2 N38 12.6 1.26 11.5 915 ≥12 ≥955 38 303 ≤80
3 N40 12.9 1.29 11 876 ≥12 ≥955 40 318 ≤80
4 N45 13.7 1.37 11 876 ≥12 ≥955 45 358 ≤80
5 N48 14.1 1.41 11 876 ≥12 ≥955 48 383 ≤80
6 N35M 12.1 1.21 11.5 915 ≥14 ≥1114 35 279 ≤100
7 N38M 12.6 1.26 11.5 915 ≥14 ≥1114 38 303 ≤100
8 N40M 12.9 1.29 11.5 915 ≥14 ≥1114 40 318 ≤100
9 N42M 13.2 1.32 11 876 ≥14 ≥1114 42 342 ≤100
10 N45M 13.7 1.37 11 976 ≥14 ≥1114 45 358 ≤100
11 N48M 14.1 1.41 11 876 ≥14 ≥1114 48 383 ≤100
12 N35H 12.1 1.21 11.5 915 ≥17 ≥1353 35 279 ≤120
13 N40H 12.9 1.29 12 955 ≥17 ≥1353 40 318 ≤120
14 N45H 13.7 1.37 11 876 ≥17 ≥1353 45 358 ≤120
15 N33SH 11.7 1.17 11 876 ≥20 ≥1595 33 263 ≤150
16 N35SH 12.1 1.21 11.5 915 ≥20 ≥1595 35 279 ≤150
17 N38SH 12.6 1.26 12.3 979 ≥20 ≥1595 38 303 ≤150
18 N40SH 12.9 1.29 12.6 1003 ≥20 ≥1595 40 318 ≤150
19 N42SH 13.2 1.32 11 876 ≥20 ≥1595 42 342 ≤150
20 N28UH 10.8 1.08 10.2 812 ≥25 ≥1990 28 223 ≤180
21 N30UH 11.2 1.12 10.6 844 ≥25 ≥1990 30 239 ≤180
22 N33UH 11.7 1.17 11 875 ≥25 ≥1990 33 263 ≤180
23 N35UH 12.1 1.21 11.5 915 ≥25 ≥1990 35 279 ≤180
24 N38UH 12.6 1.26 12 955 ≥25 ≥1990 38 303 ≤180
25 N40UH 12.9 1.29 12.4 987 ≥25 ≥1990 40 319 ≤180
26 N26EH 10.4 1.04 10.2 812 ≥30 ≥2388 26 207 ≤200
27 N28EH 10.8 1.08 10.4 811 ≥30 ≥2388 28 223 ≤200
28 N30EH 12.2 1.12 10.6 844 ≥30 ≥2388 30 239 ≤200
29 N33EH 11.6 1.16 11 876 ≥30 ≥2388 33 263 ≤200
30 N35EH 12.1 1.21 11.5 915 ≥30 ≥2388 36 287 ≤200
31 N34AH 11.6 1.16 11.3 900 ≥32 ≥2547 34 271 ≤240
Properties of sintered NdFeB permanent magnetic physics
Grade characteristics  Br
Temp. Coefficient
Density Tc
Curie Temp
Recoil Permeability Operating Temp
%/℃ g/cm3  
N -0.12 7.4~7.5 310 1.1 80
NM -0.12 7.4~7.5 310 1.1 100
NH -0.1 7.4~7.5 310 1.1 120
NSH -0.1 7.4~7.5 310 1.1 150
NUH -0.1 7.4~7.5 310 1.1 180
Sintered NdFeB typical demagnetization curve

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