Sintered NdFeB Magnet
Sintered NdFeB Magnet Physical Properties | ||||||||
Gulu | Remanence | Rev. Temp.- Coeff. Wa Br | Mphamvu Yokakamiza | Intrinsic Coercive Force | Rev. Temp.- Coeff. ku Hcj | Max. Mphamvu Zamagetsi | Max. Kutentha kwa Ntchito | Kuchulukana |
Br (KGs) | Hcb (INU) | Hcj (INU) | (BH) max. (MGO) | g/cm³ | ||||
N35 | 11.7-12.2 | -0.11~-0.12 | ≥10.9 | ≥12 | -0.58~-0.78 | 33-36 | 80 ℃ | 7.6 |
N38 | 12.2-12.5 | -0.11~-0.12 | ≥11.3 | ≥12 | -0.58~-0.78 | 36-39 | 80 ℃ | 7.6 |
N40 | 12.5-12.8 | -0.11~-0.12 | ≥11.5 | ≥12 | -0.58~-0.78 | 38-41 | 80 ℃ | 7.6 |
N42 | 12.8-13.2 | -0.11~-0.12 | ≥11.5 | ≥12 | -0.58~-0.78 | 40-43 | 80 ℃ | 7.6 |
N45 | 13.2-13.8 | -0.11~-0.12 | ≥11.6 | ≥12 | -0.58~-0.78 | 43-46 | 80 ℃ | 7.6 |
N48 | 13.8-14.2 | -0.11~-0.12 | ≥11.6 | ≥12 | -0.58~-0.78 | 46-49 | 80 ℃ | 7.6 |
N50 | 14.0-14.5 | -0.11~-0.12 | ≥10.0 | ≥12 | -0.58~-0.78 | 48-51 | 80 ℃ | 7.6 |
N52 | 14.3-14.8 | -0.11~-0.12 | ≥10.0 | ≥12 | -0.58~-0.78 | 50-53 | 80 ℃ | 7.6 |
N33M | 11.3-11.7 | -0.11~-0.12 | ≥10.5 | ≥14 | -0.58~-0.72 | 31-33 | 100 ℃ | 7.6 |
N35M | 11.7-12.2 | -0.11~-0.12 | ≥10.9 | ≥14 | -0.58~-0.72 | 33-36 | 100 ℃ | 7.6 |
N38M | 12.2-12.5 | -0.11~-0.12 | ≥11.3 | ≥14 | -0.58~-0.72 | 36-39 | 100 ℃ | 7.6 |
N40M | 12.5-12.8 | -0.11~-0.12 | ≥11.6 | ≥14 | -0.58~-0.72 | 38-41 | 100 ℃ | 7.6 |
N42M | 12.8-13.2 | -0.11~-0.12 | ≥12.0 | ≥14 | -0.58~-0.72 | 40-43 | 100 ℃ | 7.6 |
N45M | 13.2-13.8 | -0.11~-0.12 | ≥12.5 | ≥14 | -0.58~-0.72 | 43-46 | 100 ℃ | 7.6 |
N48M | 13.6-14.3 | -0.11~-0.12 | ≥12.9 | ≥14 | -0.58~-0.72 | 46-49 | 100 ℃ | 7.6 |
N50M | 14.0-14.5 | -0.11~-0.12 | ≥13.0 | ≥14 | -0.58~-0.72 | 48-51 | 100 ℃ | 7.6 |
N35H | 11.7-12.2 | -0.11~-0.12 | ≥10.9 | ≥17 | -0.58~-0.70 | 33-36 | 120 ℃ | 7.6 |
N38H | 12.2-12.5 | -0.11~-0.12 | ≥11.3 | ≥17 | -0.58~-0.70 | 36-39 | 120 ℃ | 7.6 |
N40H | 12.5-12.8 | -0.11~-0.12 | ≥11.6 | ≥17 | -0.58~-0.70 | 38-41 | 120 ℃ | 7.6 |
N42H | 12.8-13.2 | -0.11~-0.12 | ≥12.0 | ≥17 | -0.58~-0.70 | 40-43 | 120 ℃ | 7.6 |
N45H | 13.2-13.6 | -0.11~-0.12 | ≥12.1 | ≥17 | -0.58~-0.70 | 43-46 | 120 ℃ | 7.6 |
N48H | 13.7-14.3 | -0.11~-0.12 | ≥12.5 | ≥17 | -0.58~-0.70 | 46-49 | 120 ℃ | 7.6 |
N35SH | 11.7-12.2 | -0.11~-0.12 | ≥11.0 | ≥20 | -0.56~-0.70 | 33-36 | 150 ℃ | 7.6 |
N38SH | 12.2-12.5 | -0.11~-0.12 | ≥11.4 | ≥20 | -0.56~-0.70 | 36-39 | 150 ℃ | 7.6 |
N40SH | 12.5-12.8 | -0.11~-0.12 | ≥11.8 | ≥20 | -0.56~-0.70 | 38-41 | 150 ℃ | 7.6 |
N42SH | 12.8-13.2 | -0.11~-0.12 | ≥12.4 | ≥20 | -0.56~-0.70 | 40-43 | 150 ℃ | 7.6 |
N45SH | 13.2-13.8 | -0.11~-0.12 | ≥12.6 | ≥20 | -0.56~-0.70 | 43-46 | 150 ℃ | 7.6 |
N28UH | 10.2-10.8 | -0.11~-0.12 | ≥9.6 | ≥25 | -0.52~-0.70 | 26-29 | 180 ℃ | 7.6 |
N30UH | 10.8-11.3 | -0.11~-0.12 | ≥10.2 | ≥25 | -0.52~-0.70 | 28-31 | 180 ℃ | 7.6 |
N33UH | 11.3-11.7 | -0.11~-0.12 | ≥10.7 | ≥25 | -0.52~-0.70 | 31-34 | 180 ℃ | 7.6 |
N35UH | 11.8-12.2 | -0.11~-0.12 | ≥10.8 | ≥25 | -0.52~-0.70 | 33-36 | 180 ℃ | 7.6 |
N38UH | 12.2-12.5 | -0.11~-0.12 | ≥11.0 | ≥25 | -0.52~-0.70 | 36-39 | 180 ℃ | 7.6 |
N40UH | 12.5-12.8 | -0.11~-0.12 | ≥11.3 | ≥25 | -0.52~-0.70 | 38-41 | 180 ℃ | 7.6 |
N28EH | 10.4-10.9 | -0.105~-0.120 | ≥9.8 | ≥30 | -0.48~-0.70 | 26-29 | 200 ℃ | 7.6 |
N30EH | 10.8-11.3 | -0.105~-0.120 | ≥10.2 | ≥30 | -0.48~-0.70 | 28-31 | 200 ℃ | 7.6 |
N33EH | 11.3-11.7 | -0.105~-0.120 | ≥10.5 | ≥30 | -0.48~-0.70 | 31-34 | 200 ℃ | 7.6 |
N35EH | 11.7-12.2 | -0.105~-0.120 | ≥11.0 | ≥30 | -0.48~-0.70 | 33-36 | 200 ℃ | 7.6 |
N38EH | 12.2-12.5 | -0.105~-0.120 | ≥11.3 | ≥30 | -0.48~-0.70 | 36-39 | 200 ℃ | 7.6 |
N28AH | 10.4-10.9 | -0.105~-0.120 | ≥9.9 | ≥33 | -0.45~-0.70 | 26-29 | 230 ℃ | 7.6 |
N30AH | 10.8-11.3 | -0.105~-0.120 | ≥10.3 | ≥33 | -0.45~-0.70 | 28-31 | 230 ℃ | 7.6 |
N33AH | 11.3-11.7 | -0.105~-0.120 | ≥10.6 | ≥33 | -0.45~-0.70 | 31-34 | 230 ℃ | 7.6 |
Zindikirani: · Pansi pa kutentha kwa 20 ℃ ± 2 ℃, pamwamba pa maginito ndi katundu wakuthupi amayesedwa, ndi kutaya kosalephereka kwa mphamvu ya maginito osapitirira 5%. . |
Ubwino:
Katundu wa maginitowa ndi apamwamba kwambiri kuposa akale ndipo ndi amphamvu kwambiri pakugwiritsa ntchito. Mkulu wawo
kukakamiza ndi kukonzanso kwakukulu kumalola kupanga kwatsopano komanso kuthekera kowonjezera maginito ogwiritsira ntchito pomwe malo ali ochepa
kapena kumene mphamvu ya maginito imafunika.
Maginito a NdFeB amakhudzidwa kwambiri ndi dzimbiri. Choncho amafuna zoteteza padziko ❖ kuyanika. Kugwiritsa ntchito maginito a NdFeB ndikokhazikika
ndi kutentha kosiyanasiyana kuyambira 80ºC mpaka 230ºC. Komanso imagwira ntchito kutentha pansi pa 0 ℃.
Ntchito:
Maginito a Neodymium amagwiritsidwa ntchito ngati mitundu yosiyanasiyana ya magalasi a maginito poyang'ana, kupotoza kwa tinthu tating'ono tamagetsi, ma brake system,
kudontha, sensa, maginito mu rotor ndi ma micro motors, ndi gawo la sayansi, mankhwala (tomography, NMR spectrometers), etc.
Masiku ano, maginito a NdFeB amagwiritsidwa ntchito mochuluka padziko lonse lapansi. Kukula kwa nkhaniyi sikunathe; kukhazikika
ndipo mphamvu zokakamiza zakumunda zikuwonjezeka mosalekeza. Mphamvu zazikulu za maginito a NdFeB zikutanthauza kuti ma motors ndi masensa amatha kumangidwa
zing'onozing'ono - ndipo izi zikuwonetsa kuwonjezeka kwa magwiridwe antchito. Kuwongolera komwe kukupitilira kumathandizira kuti zinthu zosangalatsa izi zipitirire-
amalowetsedwa m'madera atsopano.
Miyezo yonse yotchulidwa idatsimikiziridwa pogwiritsa ntchito zitsanzo zokhazikika malinga ndi IEC 60404-5. Mafotokozedwe otsatirawa amagwira ntchito ngati ziwerengero komanso
zingasiyane. Kuti mudziwe zambiri lemberani mainjiniya athu.