He aha ka NdFeB Magnets
Wahi a nā kaʻina hana,Nā Mākēneki Neodymiumhiki ke maheleia iʻO Neodymium SinteredaNeodymium paʻa. Loaʻa i ka Neodymium Bonded ka magnetism ma nā ʻaoʻao a pau a he kūpaʻa i ka corrosion; ʻO ka Sintered Neodymium ka maʻalahi i ka corrosion a ponoka uhi ʻanama kona ili, e like me ka zinc plating, nickel plating, environmentally friendly zinc plating, environmentally friendly nickel plating, nickel copper nickel plating, environmentally friendly nickel copper nickel plating, etc.
Hoʻokaʻawale ʻana i nā Magnet Neodymium
Ma muli o ke ʻano hana hana i hoʻohana ʻia, hiki ke hoʻokaʻawale ʻia nā mea Neodymium MagnetʻO Neodymium SinteredaNeodymium paʻa. Loaʻa i ka Neodymium Bonded ka magnetism ma nā ʻaoʻao a pau a he kūpaʻa i ka corrosion; ʻO ka Sintered Neodymium ka maʻalahi i ka corrosion a ponoka uhi ʻanama kona ili, e like me ka zinc plating, nickel plating, environmentally friendly zinc plating, environmentally friendly nickel plating, nickel copper nickel plating, environmentally friendly nickel copper nickel plating, etc.nā noii nā waiwai o kēia wā e pono ai i nā mea mana mau loa, e like me nā kaʻa uila i nā mea hana cordless, hard disk drive, a me nā mea hoʻopaʻa magnetic, ua lawe lākou i kahi o nā ʻano mea magnet ʻē aʻe.
ʻO ke ʻano maʻamau o Rare-Earth Magnet he aNeodymium Magnet, ʻōlelo pinepine ʻia ʻo aNdFeB, NIB, a i ʻole Neo magnet. Ua hui pū ʻia ʻo Neodymium, Iron, a me Boron i mea e hana ai i ka hoʻolālā crystalline tetragonal Magnet Permanent's Nd2Fe14B. ʻO Neodymium Magnets ke ʻano ikaika loa o Permanent Magnet i kēia manawa ma ka mākeke. Ua hoʻokaʻawale ʻia lākou ma 1984 e General Motors a me Sumitomo Special Metals.
Neodymium MagnetHe mea paʻakikī paʻakikī me ka haʻahaʻa haʻahaʻa akā kiʻekiʻe nā waiwai mechanical, a ʻoi aku ka haʻahaʻa o kona kumukūʻai hana ma mua o nā mea ʻokoʻa ʻē aʻe Rare Earth Permanent Magnet Materials. I kēia manawa, ma muli o ka hoʻohālikelike hoʻohālikelike o ka māhele mākeke me ke kolu o nā hanauna Rare Earth Permanent Magnet Materials, ʻo Neodymium Magnets ka mea kiʻekiʻe loa o ka mākeke a me ka hana makahiki, ʻoi aku ka haʻahaʻa ma mua o ka haʻahaʻa.Mākēneki Ferrite.
Nā mākēneki NdFeB SinteredLoaʻa i nā ʻano magnetic kiʻekiʻe loa a hoʻohana ʻia i nā ʻāpana he nui, e pili ana i nā latches puka, nā motika, nā mea hana, a me nā ʻāpana ʻoihana kaumaha.
Mākēneki hoʻopaʻa paʻaʻoi aku ka ikaika ma mua o nā magnet i hoʻoheheʻe ʻia.
Injection Plastic NdFeB magnetʻO ia kahi mea hou-hanauna composite i hoʻopili ʻia me ka pauka magnetic mau a me ka plastic, me nā ʻano ʻano magnetic a me ka plastic, a me ka pololei kiʻekiʻe a me ke kūpaʻa koʻikoʻi.
Nā Mākēneki Neodymium Sintered
Sintered Neodymium MagnetHe magnet ikaika i kēia manawa, ʻaʻole wale ia he mau hiʻohiʻona maikaʻi loa e like me ke kiʻekiʻe remanence, kiʻekiʻe coercivity, kiʻekiʻe magnetic ikehu huahana, a kiʻekiʻe-hana kumukūʻai ratio akā ua maʻalahi hoʻi e hana i nā ʻano like ʻole a me nā nui, kūpono loa no ka mana kiʻekiʻe a kiʻekiʻe magnetic field, a me nā ʻano huahana miniaturized a māmā hoʻi.
Hoʻohana nui ʻia nā Sintered Neodymium Magnets i nā kaʻa (ka uila uila, ka uila mana hoʻokele, nā mea ʻike, a me nā mea ʻē aʻe), ka mana makani, ka ʻoihana ʻike (paʻa disk drive, optical disk drive), nā mea kūʻai aku (kelepona kelepona, nā kiʻi kamepiula), hale. nā mea hana (nā ea hoʻololi pinepine, nā pahu hau, a me nā mīkini holoi), nā motika laina laina, nuklea magnetic resonance imaging machines, etc.Nā noima nā wahi e like me nā lawelawe naʻauao ke piʻi nei.
Nā Mākēneki Neodymium Paʻa
ʻO Bonded Neodymium Magnet kahi ʻano o ka mea hoʻoheheʻe paʻa mau i hana ʻia e ka hoʻohui ʻana i ka nanocrystalline neodymium hao boron magnetic pauka me ka polymer kiʻekiʻe (e like me ka thermosetting epoxy resin, thermoplastic engineering plastics, etc.) ma ke ʻano he binder, i māhele ʻia i loko.Nā Mākēneki Hoʻopaʻa NeodymiumaNā Mākēneki Neodymium i hoʻopaʻa ʻia. He kiʻekiʻe kiʻekiʻe loa kona ʻano kikoʻī, maikaʻi ka like magnetic, a me ke kūlike, a hiki ke hana ʻia i mau ʻano paʻakikī i paʻakikī ke hoʻokō ma nā magnet neodymium sintered a ua maʻalahi ke hoʻohui ʻia me nā mea metala a i ʻole nā mea palaki no ka hana ʻana. Loaʻa i nā Bonded Neodymium Magnets nā ʻano magnetization like ʻole, haʻahaʻa haʻahaʻa eddy i kēia manawa, a me ke kūpaʻa ikaika.
Hoʻohana nui ʻia ʻo Bonded Neodymium Magnets i nā ʻoihana ʻenehana ʻike e like me ka computer hard drive a me ka optical disc drive spindle motors, mīkini paʻi / kope kope, a me nā wili magnetic, a me nā mea hoʻokele a me nā mea hoʻokele no nā mea hana hale hoʻōla i ka ikehu a me nā mea uila uila. ʻO kā lākou noi i nā kaʻa micro a me nā kaʻa kūikawā a me nā mea ʻike o nā kaʻa ikehu hou e hele mālie nei i kahi mākeke ulu nui.
Wehewehe i ka ikaika
ʻO ka Neodymium kahi metala antiferromagnetic e hōʻike ana i nā hiʻohiʻona magnetic ke maʻemaʻe, akā ma nā mahana ma lalo o 19 K (254.2 °C; 425.5 °F). Hoʻohana ʻia nā pūhui Neodymium me nā metala hoʻololi ferromagnetic e like me ka hao, ʻoi aku ka nui o ka mahana Curie ma luna o ka lumi lumi, e hana i nā magnet neodymium.
ʻO ka ikaika o Neodymium magnets kahi hui o nā mea like ʻole. ʻO ka mea koʻikoʻi loa, ʻo ia ka uniaxial magnetocrystalline anisotropy kiʻekiʻe loa o ka tetragonal Nd2Fe14B crystal structure (HA 7 T - magnetic field strength H in units of A/m against magnetic moment in Am2). Hōʻike kēia i ka hoʻokalakupua ʻana o ke aniani o ka mea waiwai ma kahi axis kristal akā he mea paʻakikī loa ka magnetize ma nā ʻaoʻao ʻē aʻe. ʻO ka neodymium magnet alloy, e like me nā mea magnet ʻē aʻe, i hana ʻia me ka microcrystalline grains i ka wā o ka hana ʻana i hoʻohālikelike ʻia i loko o kahi māla ikaika e hiki ai i kā lākou mau koʻi magnetic ke kuhikuhi i ka ʻaoʻao like. He kiʻekiʻe loa ka coercivity o ka pūhui, a i ʻole ke kūʻē ʻana i ka demagnetization, ma muli o ke kūpaʻa ʻana o ka lattice kristal i ka hoʻololi ʻana i kona kuhikuhi o ka magnetism.
No ka mea, he ʻehā mau electrons i hoʻopaʻa ʻole ʻia i loko o kona ʻano electron i hoʻohālikelike ʻia me (ma ka awelika) ʻekolu i ka hao, hiki i ka neodymium atom ke loaʻa kahi manawa dipole magnetic nui. ʻO nā electrons i hoʻopaʻa ʻole ʻia i loko o kahi magnet i hoʻopaʻa ʻia i hiki i kā lākou mau milo ke alo i ka ʻaoʻao hoʻokahi e hoʻopuka i ke kahua magnetic. Loaʻa kēia i kahi magnetization saturation ikaika no ka hui Nd2Fe14B (Js 1.6 T a i ʻole 16 kG) a me kahi magnetization koena maʻamau o 1.3 teslas. ʻO ka hopena, hiki i kēia māhele magnetic ke mālama i ka nui o ka ikehu magnetic (BHmax 512 kJ/m3 a i ʻole 64 MGOe), no ka mea, ua like ka nui o ka ikehu kiʻekiʻe me Js2.
He 18 mau manawa ma ka leo a he 12 mau manawa ma ka nui ma mua o ka "maʻamau"ferrite magnets. Samarium cobalt (SmCo), ka mea kūʻai mua loa i loaʻa i ka rare-earth magnet, he haʻahaʻa haʻahaʻa o kēia hiʻohiʻona ikehu magnetic ma mua o nā huila NdFeB. Hoʻopili maoli ʻia nā hiʻohiʻona neodymium magnets e ka microstructure o ka alloy, ka hana hana, a me ka haku ʻana.
Loaʻa nā ʻātoma hao a me kahi hui neodymium-boron i nā papa ʻokoʻa i loko o ka hale aniani Nd2Fe14B. Hoʻoikaika nā ʻātoma boron diamagnetic i ka pilina ma o nā kaula covalent ikaika akā ʻaʻole kōkua pololei i ka magnetism. ʻOi aku ka liʻiliʻi o ka neodymium magnet ma mua o nā magnet samarium-cobalt ma muli o ka haʻahaʻa haʻahaʻa haʻahaʻa o ka honua (12% ma ka leo, 26.7% ma ka nuipa), a me ka loaʻa ʻana o ka neodymium a me ka hao i hoʻohālikelike ʻia me ka samarium a me ka cobalt.
Waiwai
Papa:
Hoʻohana ʻia ka huahana ikehu kiʻekiʻe o nā neodymium magnets—e pili ana i ka hana hoʻoheheʻe magnetic i kēlā me kēia leo ʻāpana—e hoʻokaʻawale iā lākou. Hōʻike ʻia nā magnet ikaika e nā waiwai kiʻekiʻe. Loaʻa ka hoʻokaʻawale ʻana i ka honua no nā magnet NdFeB sintered. Aia lākou ma ka waiwai mai ka 28 a hiki i ka 52. ʻO Neodymium, a i ʻole nā magnets NdFeB sintered, ua hōʻike ʻia e ka N mua ma mua o nā waiwai. Hoʻopili ʻia nā waiwai me nā leka e hōʻike ana i ka coercivity intrinsic a me nā mahana hana kiʻekiʻe loa, i hoʻopili maikaʻi ʻia me ka mahana Curie a mai ka paʻamau (a hiki i 80 °C a i ʻole 176 °F) a i TH (230 °C a i ʻole 446 °F) .
Nā papa o nā mākēneki NdFeB sintered:
N30-N56, N30M-N52M, N30H-N52H, N30SH-N52SH, N28UH-N45UH, N28EH-N42EH, N30AH-N38AH
Ma waena o nā hiʻohiʻona nui i hoʻohana ʻia e hoʻohālikelike i nā magnet mau loa:
Ka noho ʻana(Br),ka mea e helu ana i ka ikaika o ke kahua magnetic.
ʻO ka hoʻokoe ʻana(Hci),demagnetization kū'ē o ka mea.
huahana ikehu kiʻekiʻe(BHmax),ka waiwai nui loa o nā manawa mākēneki flux density (B).
ka ikaika o ke kahua magnetic, ka mea e ana i ka manoanoa o ka ikehu magnetic (H).
Ka wela Curie (TC), ka lae e pau ai ka manekini o kekahi mea.
ʻOi aku ka maikaʻi o nā magnet Neodymium ma mua o nā ʻano magnet ʻē aʻe ma ke ʻano o ka remanence, coercivity, a me ka huahana ikehu, akā pinepine ka haʻahaʻa haʻahaʻa Curie. ʻO Terbium a me dysprosium ʻelua mau ʻāpana neodymium magnet kūikawā i hana ʻia me nā kiʻekiʻe Curie kiʻekiʻe a me ke kiʻekiʻe o ka mahana wela. Hoʻohālikelike ʻia ka hana magnetic ʻo Neodymium me nā ʻano magnet mau loa ma ka papa ma lalo nei.
| Mākēneki | ʻO Br(T) | Hcj(kA/m) | BHmaxkJ/m3 | TC | |
| ( ℃) | ( ℉) | ||||
| Nd2Fe14B, hoʻopaʻa ʻia | 1.0-1.4 | 750-2000 | 200-440 | 310-400 | 590-752 |
| Nd2Fe14B, paa | 0.6-0.7 | 600-1200 | 60-100 | 310-400 | 590-752 |
| SmCo5, hoʻopaʻa ʻia | 0.8-1.1 | 600-2000 | 120-200 | 720 | 1328 |
| Sm(Co, Fe, Cu, Zr)7 sintered | 0.9-1.15 | 450-1300 | 150-240 | 800 | 1472 |
| AlNiCi, hoʻopaʻa ʻia | 0.6-1.4 | 275 | 10-88 | 700-860 | 1292-1580 |
| Sr-Ferrite, hoʻopaʻa ʻia | 0.2-0.78 | 100-300 | 10-40 | 450 | 842 |
Nā pilikia ʻino
ʻO nā palena ʻai o kahi magnet sintered e maʻalahi loa i ka ʻino i loko o Nd2Fe14B sintered. Hiki i kēia ʻano ʻino ke hopena i ka pōʻino nui, e like me ke kāʻei ʻana o kahi papa honua a i ʻole ka ʻohi ʻia ʻana o kahi magnet i loko o ka pauka o nā ʻāpana magnetic liʻiliʻi.
Nui nā waiwai kālepa e hoʻoponopono i kēia pilikia ma o ka hoʻokomo ʻana i kahi uhi pale e hoʻōki i ka ʻike ʻana i ke kaiapuni. ʻO ka nickel, nickel-copper-nickel, a me ka zinc, ʻoiai hiki ke hoʻohana ʻia nā metala ʻē aʻe, e like me ka polymer a me ka lacquer pale.nā uhi.
Nā hopena wela
Loaʻa i ka Neodymium kahi helu ʻino, ʻo ia hoʻi, ke piʻi ka mahana, e hāʻule ka coercivity a me ka nui o ka ikehu magnetic (BHmax). Ma kahi mahana wela, loaʻa ka coercivity kiʻekiʻe nā neodymium-iron-boron magnets; akā naʻe, ke piʻi ka mahana ma luna o 100 °C (212 °F), hāʻule koke ka coercivity a hiki i ka mahana Curie, aia ma kahi o 320 °C a i ʻole 608 °F. ʻO kēia emi ʻana o ka coercivity kaohi i ka pono o ka magnet ma nā noi wela kiʻekiʻe e like me nā turbines makani, nā motika hybrid, a me nā mea ʻē aʻe. magnet.
Nā noi
No ka mea hiki i kona ikaika kiʻekiʻe ke hoʻohana i nā mea liʻiliʻi liʻiliʻi, nā magnet māmā no kahi hāʻawipalapala noi, Neodymium magnets ua pani i ka alnico a me ka ferrite magnets i ka nui o nā noi helu ʻole i ka ʻenehana hou kahi e koi ʻia ai nā magnet mau loa. Eia kekahi mau laʻana:
Nā mea hana poʻo no nā diski paʻakikī kamepiula
Mechanical e-cigarette kī kī
Nā laka no nā puka
nā mea kani kelepona a me nā mea hana autofocus
ʻO nā hui hoʻohui a me nā bearings
Nā mea hoʻohālikelike NMR paʻa
Hoʻokele mana uila
Mea paahana cordless
Nā Servomotors& Nā kaʻa kaʻa like ʻole
Nā kaʻa no ka hāpai ʻana a me nā compressors
ʻO nā motika spindle a me nā stepper
ʻO nā kaʻa kaʻa kaʻa hybrid a me ka uila
Nā mea hana uila no nā turbine makani (me ka excitation magnet mau loa)
Nā mea hoʻokaʻawale hihia media kūʻai kūʻai
Hoʻohana ʻia nā magnet neodymium ikaika i nā ʻoihana kaʻina e hopu ai i nā kino haole a mālama i nā huahana a me nā kaʻina hana.
ʻO ka hoʻonui ʻia o ka ikaika o Neodymium Magnets ua hoʻoikaika i nā hoʻohana hou e like me nā mea hoʻopaʻa mea hoʻonaninani magnetic, nā hale kūkulu hale magnetic o nā keiki (a me nā neodymium ʻē aʻe.mea pāʻani magnet), a ma ke ʻano he ʻāpana o ka hana pani o nā mea hana parachute i kēia manawa. ʻO ia ka metala nui i loko o nā mea pāʻani pākaukau kaulana i kapa ʻia ʻo "Buckyballs" a me "Buckycubes," akā naʻe, ua koho kekahi mau hale kūʻai ma ʻAmelika Hui Pū ʻIa ʻaʻole e kūʻai aku iā lākou ma muli o nā pilikia palekana keiki, a ua pāpā ʻia lākou ma Kanada. no ke kumu like.
Me ka puka ʻana mai o ka wehe ʻana i ka magnetic resonance imaging (MRI) i hoʻohana ʻia e ʻike i ke kino i nā keʻena radiology ma ke ʻano he ʻokoʻa i nā superconducting magnets, ua wehe pū ka ikaika a me ka magnetic field homogeneity o neodymium magnets i nā mea hou i ka ʻoihana olakino.
Hoʻohana ʻia ʻo Neodymium Magnets no ka mālama ʻana i ka maʻi gastroesophageal reflux ma ke ʻano he ʻōnaehana anti-reflux i hoʻokomo ʻia ma ke kaʻe ʻana, ʻo ia ka pūʻulu o nā magnet i hoʻokomo ʻia a puni ka esophageal sphincter haʻahaʻa (GERD). Ua hoʻokomo pū ʻia lākou i loko o nā manamana lima e hiki ai i kahi manaʻo sensory o nā māla magnetic, ʻoiai he hana hoʻokolohua kēia i ʻike ʻia e nā biohackers a me nā grinders.
No ke aha e koho ai iā mākou
Me nā makahiki he ʻumi o ka ʻike,Honsen Magneticsua ʻoi aku ka maikaʻi ma ka hana ʻana a me ke kālepa ʻana i nā Magnets Permanent and Magnetic Assemblies. Hoʻopili kā mākou laina hana nui i nā kaʻina hana koʻikoʻi e like me ka mīkini, ka hui ʻana, ka welding, a me ka hoʻoheheʻe injection, e hiki ai iā mākou ke hāʻawi i kā mākou mea kūʻai me ONE-STOP-SOLUTION. ʻO kēia mau mana piha e ʻae iā mākou e hana i nā huahana kiʻekiʻe e kū ana i nā kūlana kiʻekiʻe o ka maikaʻi.
At Honsen Magnetics, Haʻaheo mākou i kā mākou mea kūʻai aku. Hoʻopili ko mākou ʻatikala e kau i nā pono a me ka ʻoluʻolu o kā mākou mea kūʻai aku ma mua o nā mea āpau. ʻO kēia kūpaʻa e hōʻoia ʻaʻole mākou e hāʻawi wale i nā huahana kūʻokoʻa akā hāʻawi pū kekahi i ka lawelawe maikaʻi loa ma ka huakaʻi holoʻokoʻa o ka mea kūʻai aku. Eia kekahi, ʻoi aku ko mākou kaulana maikaʻi ma mua o nā palena. Ma ka hāʻawi mau ʻana i nā kumukūʻai kūpono a me ka mālama ʻana i ka maikaʻi o ka huahana, ua loaʻa iā mākou ka kaulana nui ma ʻEulopa, ʻAmelika, Asia Hema, a me nā ʻāina ʻē aʻe. ʻO ka manaʻo maikaʻi a me ka hilinaʻi i loaʻa iā mākou mai kā mākou mea kūʻai aku e hoʻoikaika i ko mākou kūlana ma ka ʻoihana.
ʻO kā mākou Laina Hana
Hōʻoia maikaʻi
ʻO kā mākou hui aloha a me nā mea kūʻai aku
Pehea mākou e hoʻopili ai i nā ukana
