Sintered NdFeB Magnet
Sintered NdFeB Magnet Physical Properties | ||||||||
Qib | Remanence | Rev. Temp.- Coef. Ntawm Br | Coercive Force | Intrinsic Coercive Force | Rev. Temp.- Coef. Los ntawm Hcj | Max. Khoom siv zog | Max. Ua haujlwm kub | Qhov ntom |
Br (KG) | Hcb (koj) | Hcj (koj) | (BH) max. (MGOe) | g/cm³ | ||||
N35 | 11.7-12.2 Nws | -0.11 ~ 0.12 | ≥10.9 | ≥12 | 0.58 ~ 0.78 hli | 33-36 : kuv | 80 ℃ | 7.6 |
N38 | 12.2-12.5 Nws | -0.11 ~ 0.12 | ≥11.3 | ≥12 | 0.58 ~ 0.78 hli | 36-39 : kuv | 80 ℃ | 7.6 |
N40 | 12.5-12.8 Nws | -0.11 ~ 0.12 | ≥11.5 | ≥12 | 0.58 ~ 0.78 hli | 38-41 : kuv | 80 ℃ | 7.6 |
N42 | 12.8-13.2 Nws | -0.11 ~ 0.12 | ≥11.5 | ≥12 | 0.58 ~ 0.78 hli | 40-43 : kuv | 80 ℃ | 7.6 |
N45 | 13.2-13.8 Nws | -0.11 ~ 0.12 | ≥11.6 | ≥12 | 0.58 ~ 0.78 hli | 43-46 : kuv | 80 ℃ | 7.6 |
N48 | 13.8-14.2 Nws | -0.11 ~ 0.12 | ≥11.6 | ≥12 | 0.58 ~ 0.78 hli | 46-49 : kuv | 80 ℃ | 7.6 |
N50 | 14.0-14.5 Nws | -0.11 ~ 0.12 | ≥10.0 | ≥12 | 0.58 ~ 0.78 hli | 48-51 : kuv | 80 ℃ | 7.6 |
N52 | 14.3-14.8 Nws | -0.11 ~ 0.12 | ≥10.0 | ≥12 | 0.58 ~ 0.78 hli | 50-53 : kuv | 80 ℃ | 7.6 |
N33M | 11.3-11.7 Nws | -0.11 ~ 0.12 | ≥10.5 | ≥14 | 0.58 ~ 0.72 hli | 31-33 | 100 ℃ | 7.6 |
N35M | 11.7-12.2 Nws | -0.11 ~ 0.12 | ≥10.9 | ≥14 | 0.58 ~ 0.72 hli | 33-36 : kuv | 100 ℃ | 7.6 |
N38M | 12.2-12.5 Nws | -0.11 ~ 0.12 | ≥11.3 | ≥14 | 0.58 ~ 0.72 hli | 36-39 : kuv | 100 ℃ | 7.6 |
N40 M | 12.5-12.8 Nws | -0.11 ~ 0.12 | ≥11.6 | ≥14 | 0.58 ~ 0.72 hli | 38-41 : kuv | 100 ℃ | 7.6 |
N42 M | 12.8-13.2 Nws | -0.11 ~ 0.12 | ≥12.0 | ≥14 | 0.58 ~ 0.72 hli | 40-43 : kuv | 100 ℃ | 7.6 |
N45 M | 13.2-13.8 Nws | -0.11 ~ 0.12 | ≥12.5 | ≥14 | 0.58 ~ 0.72 hli | 43-46 : kuv | 100 ℃ | 7.6 |
N48 M | 13.6-14.3 Nws | -0.11 ~ 0.12 | ≥12.9 | ≥14 | 0.58 ~ 0.72 hli | 46-49 : kuv | 100 ℃ | 7.6 |
N50 M | 14.0-14.5 Nws | -0.11 ~ 0.12 | ≥13.0 | ≥14 | 0.58 ~ 0.72 hli | 48-51 : kuv | 100 ℃ | 7.6 |
N35 H | 11.7-12.2 Nws | -0.11 ~ 0.12 | ≥10.9 | ≥17 | 0.58 ~ 0.70 hli | 33-36 : kuv | 120 ℃ | 7.6 |
N38 H | 12.2-12.5 Nws | -0.11 ~ 0.12 | ≥11.3 | ≥17 | 0.58 ~ 0.70 hli | 36-39 : kuv | 120 ℃ | 7.6 |
N40 H | 12.5-12.8 Nws | -0.11 ~ 0.12 | ≥11.6 | ≥17 | 0.58 ~ 0.70 hli | 38-41 : kuv | 120 ℃ | 7.6 |
N42 H | 12.8-13.2 Nws | -0.11 ~ 0.12 | ≥12.0 | ≥17 | 0.58 ~ 0.70 hli | 40-43 : kuv | 120 ℃ | 7.6 |
N45 H | 13.2-13.6 Nws | -0.11 ~ 0.12 | ≥12.1 | ≥17 | 0.58 ~ 0.70 hli | 43-46 : kuv | 120 ℃ | 7.6 |
N48 H | 13.7-14.3 Nws | -0.11 ~ 0.12 | ≥12.5 | ≥17 | 0.58 ~ 0.70 hli | 46-49 : kuv | 120 ℃ | 7.6 |
N35SH | 11.7-12.2 Nws | -0.11 ~ 0.12 | ≥11.0 | ≥ 20 | 0.56 ~ 0.70 hli | 33-36 : kuv | 150 ℃ | 7.6 |
N38SH | 12.2-12.5 Nws | -0.11 ~ 0.12 | ≥11.4 | ≥ 20 | 0.56 ~ 0.70 hli | 36-39 : kuv | 150 ℃ | 7.6 |
N40SH | 12.5-12.8 Nws | -0.11 ~ 0.12 | ≥11.8 | ≥ 20 | 0.56 ~ 0.70 hli | 38-41 : kuv | 150 ℃ | 7.6 |
N42SH | 12.8-13.2 Nws | -0.11 ~ 0.12 | ≥12.4 | ≥ 20 | 0.56 ~ 0.70 hli | 40-43 : kuv | 150 ℃ | 7.6 |
N45SH | 13.2-13.8 Nws | -0.11 ~ 0.12 | ≥12.6 | ≥ 20 | 0.56 ~ 0.70 hli | 43-46 : kuv | 150 ℃ | 7.6 |
N28 UA | 10.2-10.8 Nws | -0.11 ~ 0.12 | ≥9.6 | ≥ 25 | -0.52 ~ 0.70 | 26-29 | 180 ℃ | 7.6 |
N30 UA | 10.8-11.3 Nws | -0.11 ~ 0.12 | ≥10.2 | ≥ 25 | -0.52 ~ 0.70 | 28-31 | 180 ℃ | 7.6 |
N33 UA | 11.3-11.7 Nws | -0.11 ~ 0.12 | ≥10.7 | ≥ 25 | -0.52 ~ 0.70 | 31-34 : kuv | 180 ℃ | 7.6 |
N35 UA | 11.8-12.2 Nws | -0.11 ~ 0.12 | ≥10.8 | ≥ 25 | -0.52 ~ 0.70 | 33-36 : kuv | 180 ℃ | 7.6 |
N38 UA | 12.2-12.5 Nws | -0.11 ~ 0.12 | ≥11.0 | ≥ 25 | -0.52 ~ 0.70 | 36-39 : kuv | 180 ℃ | 7.6 |
N40 UA | 12.5-12.8 Nws | -0.11 ~ 0.12 | ≥11.3 | ≥ 25 | -0.52 ~ 0.70 | 38-41 : kuv | 180 ℃ | 7.6 |
N28 EH | 10.4-10.9 Nws | -0.105 ~ 0.120 | ≥9.8 | ≥30 | 0.48 ~ 0.70 Nws | 26-29 | 200 ℃ | 7.6 |
N30 EH | 10.8-11.3 Nws | -0.105 ~ 0.120 | ≥10.2 | ≥30 | 0.48 ~ 0.70 Nws | 28-31 | 200 ℃ | 7.6 |
N33 EH | 11.3-11.7 Nws | -0.105 ~ 0.120 | ≥10.5 | ≥30 | 0.48 ~ 0.70 Nws | 31-34 : kuv | 200 ℃ | 7.6 |
N35 EH | 11.7-12.2 Nws | -0.105 ~ 0.120 | ≥11.0 | ≥30 | 0.48 ~ 0.70 Nws | 33-36 : kuv | 200 ℃ | 7.6 |
N38 EH | 12.2-12.5 Nws | -0.105 ~ 0.120 | ≥11.3 | ≥30 | 0.48 ~ 0.70 Nws | 36-39 : kuv | 200 ℃ | 7.6 |
N28 AW | 10.4-10.9 Nws | -0.105 ~ 0.120 | ≥9.9 | ≥33 | 0.45 ~ 0.70 Nws | 26-29 | 230 ℃ | 7.6 |
N30AH | 10.8-11.3 Nws | -0.105 ~ 0.120 | ≥10.3 | ≥33 | 0.45 ~ 0.70 Nws | 28-31 | 230 ℃ | 7.6 |
N33AH | 11.3-11.7 Nws | -0.105 ~ 0.120 | ≥10.6 | ≥33 | 0.45 ~ 0.70 Nws | 31-34 : kuv | 230 ℃ | 7.6 |
Nco tseg: · Nyob rau hauv kev ua hauj lwm kub 20 ℃ ± 2 ℃, saum toj no sib nqus tsis thiab lub cev lub cev raug kuaj, nrog inevitable poob ntawm magnetic quab yuam tsis ntau tshaj 5%. . |
Qhov zoo:
Cov khoom ntawm cov hlau nplaum no yog qhov zoo tshaj rau cov tsoos ib txwm muaj thiab tam sim no lawv muaj zog tshaj plaws hauv daim ntawv thov. Lawv siab
coercivity thiab siab remanence tso cai rau tus tshiab tsim thiab muaj peev xwm nce magnetic teb ntawm daim ntawv thov qhov twg qhov chaw yog txwv
los yog qhov chaw muaj zog magnetic teb xav tau.
NdFeB hlau nplaum yog qhov muaj zog heev rau corrosion. Yog li ntawd yuav tsum tau ib tug tiv thaiv nto txheej. Kev siv NdFeB hlau nplaum yog conditioned
los ntawm qhov kub thiab txias nyob rau hauv ntau yam khiav ntawm 80ºC mus rau 230ºC. Thiab nws tseem ua haujlwm ntawm qhov kub hauv qab 0 ℃.
Daim ntawv thov:
Neodymium hlau nplaum yog siv los ua ntau hom sib nqus lo ntsiab muag rau kev tsom, deflection ntawm cov khoom siv hluav taws xob hauv hluav taws xob, nres tshuab,
drip, sensor, sib nqus system hauv rotor thiab micro motors, thiab kev tshawb fawb, tshuaj (tomography, NMR spectrometers), thiab lwm yam.
Niaj hnub no, NdFeB hlau nplaum tau siv ntau ntau thoob plaws ntiaj teb. Txoj kev loj hlob ntawm cov khoom no tseem tsis tau tiav; lub remanence
thiab coercive field lub zog tau nce ntxiv. Lub zog siab ntawm NdFeB hlau nplaum txhais tau tias cov motors thiab sensors tuaj yeem tsim tau
puas me dua - thiab qhov no qhia txog kev nce hauv kev ua tau zoo. Cov kev txhim kho tsis tu ncua ua rau cov ntaub ntawv nthuav dav no tuaj yeem cuam tshuam.
nually nkag rau hauv thaj chaw tshiab.
Txhua tus nqi teev tseg tau txiav txim siab siv cov qauv qauv raws li IEC 60404-5. Cov nram qab no specifications ua raws li cov nqi siv thiab
tej zaum yuav txawv. Yog xav paub ntxiv thov hu rau peb daim ntawv thov engineers.