Sintered NdFeB Magnet
Sintered NdFeB Magnet Physical Properties | ||||||||
Ipele | Iduroṣinṣin | Rev. Temp.- Coeff. Ti Br | Agbara Ipaniyan | Agbo inu agbara ipa | Rev. Temp.- Coeff. ti Hcj | O pọju. Ọja Agbara | O pọju. Awọn iwọn otutu ti nṣiṣẹ | iwuwo |
Br (KGs) | Hcb (Ìwọ) | Hcj (Ìwọ) | Iye ti o ga julọ (BH) (MGOe) | 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 |
Akiyesi: Labẹ iwọn otutu ti n ṣiṣẹ 20 ℃ ± 2 ℃, loke awọn aye oofa ati awọn ohun-ini ti ara ni idanwo, pẹlu ipadanu eyiti ko ṣee ṣe ti agbara oofa ko ju 5% lọ. . |
Anfani:
Awọn ohun-ini ti awọn oofa wọnyi ga ju ti aṣa lọ ati pe wọn jẹ alagbara julọ ni ohun elo lọwọlọwọ. Iwọn giga wọn
coercivity ati giga remanence gba awọn titun oniru ati awọn seese ti jijẹ oofa aaye ti ohun elo ibi ti aaye ti wa ni opin
tabi nibiti aaye oofa ti o lagbara ti nilo.
Awọn oofa NdFeB ni ifaragba pupọ si ipata. Nitorina beere aabo dada bo. Awọn lilo ti NdFeB oofa ti wa ni iloniniye
nipasẹ iwọn otutu ni ibiti o ti n ṣiṣẹ lati 80ºC si 230ºC. Ati pe o tun ṣiṣẹ ni iwọn otutu ni isalẹ 0 ℃.
Ohun elo:
Awọn oofa Neodymium ni a lo bi ọpọlọpọ awọn oriṣi ti awọn lẹnsi oofa fun idojukọ, iyipada ti awọn patikulu ti o gba agbara ni ẹrọ itanna, awọn ọna fifọ,
drip, sensọ, eto oofa ni rotor ati micro Motors, ati aaye ti imọ-jinlẹ, oogun (tomografi, NMR spectrometers), ati bẹbẹ lọ.
Loni, awọn oofa NdFeB ni a lo ni titobi nla ni gbogbo agbaye. Idagbasoke ohun elo yii ko ti pari; awọn remanence
ati agbara aaye ti a fipa mu n pọ si nigbagbogbo. Agbara giga ti awọn oofa NdFeB tumọ si pe awọn mọto ati awọn sensọ le jẹ itumọ
lailai kere – ati eyi tọkasi ilosoke ninu ṣiṣe ṣiṣe. Awọn ilọsiwaju ti nlọ lọwọ jẹ ki ohun elo ti o nifẹ si lati tẹsiwaju.
nually ṣe sinu titun agbegbe.
Gbogbo awọn iye ti a sọ ni a pinnu nipa lilo awọn apẹẹrẹ boṣewa ni ibamu si IEC 60404-5. Awọn pato wọnyi ṣiṣẹ bi awọn iye itọkasi ati
le yato. Fun alaye diẹ sii jọwọ kan si awọn onimọ-ẹrọ ohun elo wa.