Limanete tsa NdFeB ke eng
Ho latela mekhoa ea tlhahiso,Limanete tsa Neodymiume ka aroloa kaSintered NeodymiumleNeodymium e kopantsoeng.Bonded Neodymium e na le makenete ka mahlakoreng 'ohle' me e hanyetsana le kutu;Sintered Neodymium e tloaetse ho bola 'me e hlokaho roalaka holim'a eona, ka kakaretso ho kenyelletsa le zinki plating, nickel plating, tikoloho ea zinki plating, tikoloho nickel plating, nickel koporo nickel plating, tikoloho nickel koporo nickel plating, joalo-joalo.
Sehlopha sa Limanete tsa Neodymium
Ho latela mokhoa oa ho etsa o sebelisitsoeng, lisebelisoa tsa Magnet tsa Neodymium li ka aroloaSintered NeodymiumleNeodymium e kopantsoeng.Bonded Neodymium e na le makenete ka mahlakoreng 'ohle' me e hanyetsana le kutu;Sintered Neodymium e tloaetse ho bola 'me e hlokaho roalaka holim'a eona, ka kakaretso ho kenyelletsa le zinki plating, nickel plating, tikoloho ea zinki plating, tikoloho nickel plating, nickel koporo nickel plating, tikoloho nickel copper plating, joalo-joalo.lits'ebetsothepa ea sejoale-joale e hlokang limakenete tse matla tse tšoarellang, joalo ka li-motor tsa motlakase ka lisebelisoa tse se nang mohala, li-hard disk drive, le li-fasteners tsa makenete, li nkile sebaka sa mefuta e meng ea limakete.
Mofuta o atileng haholo oa Rare-Earth Magnet ke aMagnet ea Neodymium, eo ka tloaelo e bitsoang aNdFeB, NIB, kapa Neo magnet.Neodymium, Iron, le Boron li ile tsa kopanngoa ho theha sebopeho sa Permanent Magnet's Nd2Fe14B tetragonal crystalline.Magnets a Neodymium ke mofuta o matla ka ho fetisisa oa Magnet a sa Feleng hajoale 'marakeng.Li ile tsa ntlafatsoa ka thoko ho 1984 ke General Motors le Sumitomo Special Metals.
Magnet ea Neodymiumke thepa e batlang e thata e brittle e nang le sekhahla se tlase empa e na le thepa e phahameng ea mochini, 'me litšenyehelo tsa eona tsa tlhahiso li tlase ho feta tse ling tsa Rare Earth Permanent Magnet Materials.Hajoale, ho ipapisitse le papiso e otlolohileng ea karolo ea mmaraka le moloko oa boraro oa Rare Earth Permanent Magnet Materials, Neodymium Magnets e na le karolo e phahameng ka ho fetisisa ea mmaraka le tlhahiso ea selemo le selemo, e tlase feela ho feta theko e tlase.Limanete tsa Ferrite.
Sintered NdFeB makeneteli na le litšoaneleho tse phahameng ka ho fetisisa tsa makenete 'me li sebelisoa likarolong tse' maloa, ho kenyeletsoa litšepe tsa mamati, li-motor, lijenereithara le likarolo tse boima tsa indasteri.
Limanete tse hatelitsoeng tse kopantsoengli matla hofeta limakete tse entsoeng ka ente.
Ente ea polasetiki ea NdFeB makeneteke motsoako oa moloko o mocha o entsoeng ka phofo e sa feleng ea makenete le polasetiki, e nang le litšoaneleho tse makatsang tsa makenete le polasetiki, hammoho le ho nepahala ho phahameng le ho hanyetsa khatello ea maikutlo.
Sintered Neodymium Magnets
Magnet ea Sintered Neodymiumke makenete ea mehleng ena e matla, e se nang litšobotsi tse ntle feela tse kang remanence e phahameng, coercivity e phahameng, sehlahisoa sa matla a khoheli a phahameng, le tekanyo e phahameng ea ts'ebetso, empa hape e bonolo ho sebetsa ka libopeho le boholo bo fapaneng, haholo-holo tse loketseng matla a phahameng libaka tse phahameng tsa matla a khoheli, hammoho le lihlahisoa tse fapaneng tse ncha tse nyane le tse bobebe.
Sintered Neodymium Magnets e sebelisoa haholo likoloing (motlakase, seteraeke sa motlakase, li-sensor, joalo-joalo), phepelo ea matla a moea, indasteri ea tlhahisoleseling (li-hard disk drive, optical disk drives), lisebelisoa tsa elektroniki tsa bareki (mehala ea cellular, lik'hamera tsa dijithale), ntlo. lisebelisoa (li-air conditioning tse feto-fetohang, lihatsetsi, le mechini e hlatsoang), li-elevator linear motors, li-nuclear magnetic resonance machines, joalo-joalo. Ho etsoa ka bohlale, ho khanna ka bohlale, ho emeloang ke lirobotoLisebelisoalibakeng tse kang litšebeletso tse bohlale li ntse li eketseha.
Limanete tsa Neodymium tse kopantsoeng
Bonded Neodymium Magnet ke mofuta oa thepa ea makenete e kopantsoeng e sa feleng e entsoeng ka ho kopanya ka potlako nanocrystalline neodymium iron boron magnetic powder e nang le polymer e phahameng (joalo ka thermosetting epoxy resin, thermoplastic engineering plastics, joalo-joalo) joalo ka setlamo, se arotsoe ka likarolo tse ling.Li-Magnet tse Hatelitsoeng tsa NeodymiumleLimanete tsa Ente tsa Neodymium tse kopantsoeng.E na le ho nepahala ha maemo a holimo haholo, ho ts'oana hantle ha makenete, le ho tsitsisa, 'me e ka etsoa libopeho tse rarahaneng tseo ho leng thata ho li fihlela ho limatlase tsa sintered neodymium mme ho bonolo ho li kopanya le likarolo tse ling tsa tšepe kapa tsa polasetiki bakeng sa ho theha.Bonded Neodymium Magnets le tsona li na le mekhoa e fapaneng ea magnetization, tahlehelo ea hona joale ea eddy e tlase, le ho hanyetsa kutu ho matla.
Bonded Neodymium Magnets a sebelisoa haholo indastering ea mahlale a tlhahisoleseling joalo ka li-hard drive tsa khomphutha le li-spindle motors tsa optical disc, li-printer/copier motors, le li-roller tsa makenete, hammoho le likarolo tsa ho khanna le ho laola lisebelisoa tsa lapeng tse bolokang matla le lisebelisoa tsa elektroniki tsa bareki.Tšebeliso ea bona ho li-motor tse nyane le tse khethehileng le li-sensor tsa likoloi tse ncha tsa matla butle-butle e fetoha 'maraka o hlahelletseng.
Tlhaloso ea Matla
Neodymium ke tšepe ea antiferromagnetic e bonts'ang litšobotsi tsa makenete ha e hloekile, empa feela ka mocheso o ka tlase ho 19 K (254.2 °C; 425.5 °F).Metsoako ea Neodymium e nang le litšepe tsa phetoho ea ferromagnetic joalo ka tšepe, e nang le mocheso oa Curie haholo kaholimo ho mocheso oa kamore, e sebelisoa ho theha makenete a neodymium.
Matla a makenete a Neodymium ke motsoako oa lintho tse fapaneng.Ntho ea bohlokoa ka ho fetisisa ke uniaxial magnetocrystalline anisotropy e phahameng ka ho fetesisa ea sebopeho sa kristale sa tetragonal Nd2Fe14B (HA 7 T - matla a matla a khoheli H ka likarolo tsa A/m khahlano le motsotso oa makenete ho Am2).Sena se bontša hore kristale ea ntho e hohelang ka mokhoa o ikhethileng ho latela axis e itseng ea kristale empa e fumana ho le thata haholo ho etsa makenete ka litsela tse ling.Neodymium magnet alloy, joalo ka limakete tse ling, e entsoe ka lithollo tsa microcrystalline tse nakong ea tlhahiso li hokahantsoeng ka matla a khoheli a matla hoo lilepe tsa tsona tsa makenete li supang nqa e le 'ngoe.Motsoako ona o na le matla a phahameng ka ho fetesisa, kapa ho hanyetsa demagnetization, ka lebaka la khanyetso ea lesela la kristale ho fetola tsela ea eona ea makenete.
Hobane e na le li-elektronike tse 'nè tse sa sebetseng mohahong oa eona oa elektronike ha li bapisoa le (ka karolelano) tse tharo ka tšepe, athomo ea neodymium e khona ho ba le motsotso oa bohlokoa oa dipole.Li-electrone tse sa kopanngoeng ka makeneteng tse hokahaneng e le hore li-spins tsa tsona li shebane le tsela e tšoanang li hlahisa matla a khoheli.Sena se fella ka magnetization e matla ea saturation bakeng sa motsoako oa Nd2Fe14B (Js 1.6 T kapa 16 kG) le masala a tloaelehileng a magnetization a 1.3 teslas.Ka lebaka leo, mohato ona oa khoheli o na le matla a ho boloka matla a matla a khoheli (BHmax 512 kJ / m3 kapa 64 MGOe), kaha matla a matla ka ho fetisisa a lekana le Js2.
Boleng bona ba matla a khoheli bo ka ba makhetlo a 18 ka bophahamo le makhetlo a 12 ka boima ho feta "kamehla"magnets. Samarium cobalt (SmCo), Motlakase oa pele o fumanehang ka seoelo oa lefatše, o na le boemo bo tlase ba tšobotsi ena ea matla a khoheli ho feta li-alloys tsa NdFeB.Litšobotsi tsa makenete tsa Neodymium li hlile li susumetsoa ke microstructure ea alloy, ts'ebetso ea tlhahiso le sebopeho.
Liathomo tsa tšepe le motsoako oa neodymium-boron li fumanoa ka mekhahlelo e meng ka har'a sebopeho sa kristale sa Nd2Fe14B.Diamagnetic boron liathomo li khothaletsa momahano ka litlamo tse matla tsa covalent empa ha li kenye letsoho ka kotloloho ho makenete.Limanete tsa Neodymium li theko e tlase ho feta limakenete tsa samarium-cobalt ka lebaka la maemo a tlase a sa tloaelehang a lefats'e (12% ka molumo, 26.7% ka boima), hammoho le ho fumaneha ha neodymium le tšepe ha ho bapisoa le samarium le cobalt.
Thepa
Mephato:
Sehlahisoa se phahameng sa matla a limatlase tsa neodymium - se tsamaellanang le tlhahiso ea matla a khoheli ka bophahamo ba yuniti - se sebelisoa ho li arola.Limanete tse matla li bonts'oa ka boleng bo holimo.Ho na le karohano e amoheloang ka kakaretso lefatšeng ka bophara bakeng sa limatlase tsa NdFeB tse sintered.Li na le boleng ho tloha ho 28 ho isa ho 52. Neodymium, kapa limmanete tsa NdFeB tse sintered, li hlahisoa ke N ea pele pele ho litekanyetso.Litekanyetso li lateloa ke litlhaku tse bontšang matla a ka hare le mocheso o phahameng oa ho sebetsa, tse amanang hantle le mocheso oa Curie 'me li tloha ho tse tloaelehileng (ho fihla ho 80 °C kapa 176 °F) ho ea ho TH (230 °C kapa 446 °F) .
Mephato ea limmete tsa sintered NdFeB:
N30-N56, N30M-N52M, N30H-N52H, N30SH-N52SH, N28UH-N45UH, N28EH-N42EH, N30AH-N38AH
Har'a litšobotsi tsa bohlokoa tse sebelisoang ho bapisa limakete tse sa feleng ke:
Remanence(Br),e lekanyang matla a matla a makenete.
Ho qobella(Hci),demagnetization resistance of the material.
Boholo ba sehlahisoa sa matla(BHmax),boleng bo boholo ba nako ea matla a khoheli (B).
matla a matla a khoheli, a lekanyang boima ba matla a khoheli (H).
Thempereichara ea Curie (TC), ntlha eo ntho e khaotsang ho ba matla a khoheli.
Limanete tsa Neodymium li feta mefuta e meng ea limakete ho latela ts'ebetso, ho qobella, le sehlahisoa sa matla, empa hangata li na le mocheso o tlase oa Curie.Terbium le dysprosium ke li-alloys tse peli tse khethehileng tsa neodymium magnet tse entsoeng ka mocheso o phahameng oa Curie le mamello e phahameng ea mocheso.Ts'ebetso ea makenete ea Neodymium magnets e bapisoa le ea mefuta e meng ea makenete e sa feleng tafoleng e ka tlase.
| Magnet | Br(T) | Hcj(kA/m) | BHmaxkJ/m3 | TC | |
| (℃) | ( ℉) | ||||
| Nd2Fe14B, sintered | 1.0-1.4 | 750-2000 | 200-440 | 310-400 | 590-752 |
| Nd2Fe14B, tlamahane | 0.6-0.7 | 600-1200 | 60-100 | 310-400 | 590-752 |
| SmCo5, e siiloe | 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, e siiloe | 0.6-1.4 | 275 | 10-88 | 700-860 | 1292-1580 |
| Sr-Ferrite, o hlotsoe | 0.2-0.78 | 100-300 | 10-40 | 450 | 842 |
Mathata a Corrosion
Meeli ea lijo-thollo tsa makenete ea sintered e kotsing haholo ea ho bola ho Nd2Fe14B e sintered.Ho bola ha mofuta ona ho ka baka tšenyo e kholo, joalo ka ho phatloha ha lera la bokaholimo kapa ho putlama ha makenete hore e be phofo ea likaroloana tse nyane tsa makenete.
Lihlahisoa tse ngata tsa khoebo li sebetsana le kotsi ena ka ho kenyelletsa le sekoaelo se sireletsang ho thibela ho pepesehela tikoloho.Lisebelisoa tse tloaelehileng haholo ke nickel, nickel-copper-nickel, le zinki, ha litšepe tse ling le tsona li ka sebelisoa, joalo ka ha ho ka sebelisoa polymer le lacquer protective.likoahelo.
Liphello Tsa Mocheso
Neodymium e na le coefficient e mpe, e bolelang hore ha mocheso o phahama, bobeli ba ho qobella le ho theoha ha matla a matla a khoheli (BHmax).Ha mocheso o le teng, limmanete tsa neodymium-iron-boron li na le khatello e phahameng;leha ho le joalo, ha mocheso o eketseha ho feta 100 °C (212 °F), coercivity e theoha ka potlako ho fihlela e fihla mocheso oa Curie, o ka bang 320 °C kapa 608 °F.Phokotso ena ea coercivity e thibela katleho ea makenete lits'ebetsong tsa mocheso o phahameng joalo ka li-turbine tsa moea, li-motor tse nyalisitsoeng, joalo-joalo Ho thibela ts'ebetso ho theoha ka lebaka la ho fetoha ha mocheso, terbium (Tb) kapa dysprosium (Dy) lia eketsoa, ho eketsa litšenyehelo tsa makenete.
Lisebelisoa
Hobane matla a eona a phahameng a lumella tšebeliso ea limatlase tse nyane, tse bobebe bakeng sa ho fuoakopo, Limanete tsa neodymium li nkile sebaka sa limmanete tsa alnico le ferrite lits'ebetsong tse ngata tse ngata tsa theknoloji ea sejoale-joale moo ho hlokahalang limakete tse matla tsa kamehla.Mehlala e mengata ke ena:
Li-activator tsa hlooho bakeng sa li-hard disk tsa khomphutha
Li-switch tsa mechine ea e-cigarette ea ho thunya
Linotlolo tsa mamati
libui tsa mehala ea thekeng le li-autofocus actuators
Likhokahano tsa Magnetic le li-bearings
Li-spectrometer tsa NMR tse nkehang
Likoloi tsa motlakase le li-Actuator
Seterekeng sa motlakase
Lisebelisoa tse se nang mohala
Li-servomotors& Li-motor tsa Synchronous
Motors bakeng sa ho phahamisa le li-compressor
Spindle le stepper motors
Li-motors tsa Hybrid le tsa motlakase tsa koloi
Retail media case decouplers
Limanete tse matla tsa neodymium li sebelisoa indastering ea ts'ebetso ho hapa lihlopha tsa kantle ho naha le ho sireletsa lihlahisoa le lits'ebetso.
Matla a ntseng a eketseha a Neodymium Magnets a khothalelitse ts'ebeliso e ncha joalo ka mabenyane a mabenyane a makenete, lisebelisoa tsa moaho tsa makenete tsa bana (le li-neodymium tse ling.libapalisoa tsa makenete), 'me e le karolo ea mokhoa oa ho koala oa thepa ea hona joale ea lipapali tsa parachute.Ke tšepe e ka sehloohong ho limmakenete tsa libapali tsa deske tse neng li tumme tse tsejoang e le "Buckyballs" le "Buckycubes," leha ho le joalo mabenkele a mang United States a khethile ho se rekisoe ka lebaka la mathata a polokeho ea bana, 'me a thibetsoe Canada. ka lebaka le tšoanang.
Ka ho hlaha ha li-scanner tse bulehileng tsa "magnetic resonance imaging" (MRI) tse sebelisoang ho bona 'mele mafapheng a radiology e le mokhoa o mong ho feta limakenete tse kholo, matla le homogeneity ea matla a khoheli ea limanete tsa neodymium le tsona li butse menyetla e mecha indastering ea bongaka.
Limanete tsa Neodymium li sebelisoa ho alafa lefu la reflux la gastroesophageal e le mokhoa o entsoeng ka opereishene ea anti-reflux, e leng sehlopha sa limakete tse kenngoeng ka opereishene ho pota-potile sphincter e tlase ea esophageal (GERD).Li boetse li kentsoe menoaneng ho etsa hore motho a utloe matla a khoheli, leha sena e le ts'ebetso ea liteko eo li-biohackers le li-grinders li tloaelaneng le tsona feela.
Ke Hobane'ng ha U Re Khetha
Ka lilemo tse fetang leshome tsa boiphihlelo,Honsen Magneticse ntse e ipabola ka mokhoa o tsitsitseng tlhahisong le khoebong ea Permanent Magnets and Magnetic Assemblies.Mehala ea rona e pharalletseng ea tlhahiso e kenyelletsa lits'ebetso tse fapaneng tsa bohlokoa joalo ka machining, kopano, welding, le molding ea ente, e re lumellang ho fa bareki ba rona ONE-STOP-SOLUTION.Bokhoni bona bo felletseng bo re lumella ho hlahisa lihlahisoa tsa boemo bo holimo tse fihlelang boleng bo holimo.
At Honsen Magnetics, re motlotlo haholo ka mokhoa oa rona o shebaneng le bareki.Filosofi ea rona e ipapisitse le ho beha litlhoko le khotsofalo ea bareki ba rona ho feta ntho e ngoe le e ngoe.Boitlamo bona bo tiisa hore ha re fane ka lihlahisoa tse ikhethang feela empa hape re fana ka litšebeletso tse ntle haholo leetong lohle la bareki.Ho feta moo, botumo ba rōna bo ikhethang bo fetela ka nģ’ane ho meeli.Ka ho lula re fana ka litheko tse ntle le ho boloka boleng ba sehlahisoa se holimo, re fumane botumo bo bongata Europe, Amerika, Asia Boroa-bochabela le linaheng tse ling.Maikutlo a matle le tšepo eo re e fumanang ho tsoa ho bareki ba rona e tiisa boemo ba rona indastering.
Mohala oa rona oa Tlhahiso
Netefaletso ea boleng
Sehlopha sa rona se ratehang le Bareki
Kamoo re pakang thepa kateng
