Kedu ihe bụ NdFeB Igwe Ọdụdọ
Dị ka usoro mmepụta si dị,Neodymium magnetikenwere ike kewaa yaNeodymium siri ikenaNeodymium jikọtara ọnụ. Bonded Neodymium nwere magnetism n'akụkụ niile ma na-eguzogide corrosion; Sintered Neodymium dị mfe na corrosion ma chọọ yamkpuchin'elu ya, n'ozuzu gụnyere zinc plating, nickel plating, gburugburu ebe obibi zinc plating, gburugburu ebe obibi enyi na enyi nickel plating, nickel ọla kọpa nickel plating, gburugburu ebe obibi nickel ọla kọpa nickel plating, wdg.
Nkewa nke Neodymium Magnet
Dabere na usoro nrụpụta eji arụ ọrụ, enwere ike kewaa ihe Neodymium Magnet n'imeNeodymium siri ikenaNeodymium jikọtara ọnụ. Bonded Neodymium nwere magnetism n'akụkụ niile ma na-eguzogide corrosion; Sintered Neodymium dị mfe na corrosion ma chọọ yamkpuchin'elu ya, n'ozuzu gụnyere zinc plating, nickel plating, gburugburu ebe obibi enyi na enyi zinc plating, gburugburu ebe obibi enyi na enyi nickel plating, nickel ọla kọpa nickel plating, gburugburu ebe obibi nickel ọla kọpa nickel plating, wdg N'ọtụtụ ebe.ngwaN'ime ngwa ahịa nke oge a nke chọrọ magnetik na-adịgide adịgide dị ike, dị ka igwe eletriki na ngwaọrụ enweghị eriri, draịva diski ike, na ihe ndọta, ha ewerela ọnọdụ nke ụdị ndọta ndị ọzọ.
Ụdị Igwe Ọdụdọ-Ụwa na-adịkarị ụkọ bụ aNeodymium Magnet, nke a na-akpọkarị aNdFeB, NIB, ma ọ bụ Neo magnet. Ejikọtara Neodymium, Ígwè, na Boron iji mepụta Nd2Fe14B tetragonal crystalline Ọdịdị Magnet na-adịgide adịgide. Neodymium Magnets bụ ụdị Igwe Ọdụdọ na-adịgide adịgide kachasị ike ugbu a n'ahịa. General Motors na Sumitomo Special Metals mepụtara ha iche na 1984.
Neodymium Magnetbụ ihe dịtụ ike kenkuwa nke nwere obere njupụta mana akụrụngwa akụrụngwa dị elu, yana ọnụ ahịa mmepụta ya dị ala karịa ihe ndọta ndị ọzọ na-adịghị ahụkebe na-adịgide adịgide. Ka ọ dị ugbu a, dabere na ntụnyere kwụ ọtọ nke oke ahịa na ihe ndọta nke atọ Rare Earth Permanent Magnet Materials, Neodymium Magnets nwere oke ahịa ahịa na mmepụta kwa afọ, naanị dị ala karịa ọnụ ala.Igwe Igwe Ọdụdọ Ferrite.
Ihe ndọta nke NdFeBnwere àgwà ndọta kachasị elu ma jiri ya mee ihe n'ọtụtụ ngalaba, gụnyere latches ụzọ, moto, ndị na-emepụta ọkụ, na ihe ndị dị arọ nke ụlọ ọrụ mmepụta ihe.
Ihe ndọta agbakwunyere agbakwunyeredị ike karịa ihe ndọta akpụ akpụ ntụtụ.
Ntuba plastik NdFeB ndọtabụ ihe mejupụtara ọgbọ ọhụrụ nke nwere ntụ ntụ magnetik na rọba na-adịgide adịgide, nwere àgwà magnetik na plastik pụrụ iche, yana izi ezi dị elu na nguzogide nrụgide.
Neodymium Magnets siri ike
Neodymium Igwe Ọdụdọ Magnetbụ magnetik siri ike nke dị ugbu a, nke na-abụghị naanị nwere njirimara mara mma dị ka remanence dị elu, coercivity, ngwaahịa ike magnetik dị elu, yana ọnụ ahịa ọnụahịa dị elu mana ọ dịkwa mfe ịhazi n'ụdị na nha dị iche iche, ọkachasị dabara adaba maka ike dị elu. oghere ndọta dị elu, yana ngwaahịa nnọchi dị iche iche nke miniaturized na fechaa.
A na-ejikarị Sintered Neodymium Magnets na ụgbọ ala (mbanye eletrik, igwe ọkụ eletrik, sensọ, wdg), ike ikuku, ụlọ ọrụ ozi (draịvụ diski ike, draịva diski anya), ngwa eletrọnịkị (ekwentị, igwefoto dijitalụ), ezinụlọ. ngwa (mgbanwe ikuku ikuku na-agbanwe agbanwe, friji, na igwe ịsa akwa), igwe igwe elevator linear, igwe ihe onyonyo magnetik resonance, wdg. N'ichepụta ọgụgụ isi, ịnya ụgbọ ala nwere ọgụgụ isi, nke robots nọchiri anya ya.Ngwana mpaghara dịka ọrụ ọgụgụ isi na-arị elu.
Magnet Neodymium jikọtara ọnụ
Bonded Neodymium Igwe Ọdụdọ bụ ụdị ihe mejupụtara ihe ndọta na-adịgide adịgide nke a na-eme site na ijikọta ngwa ngwa nanocrystalline neodymium iron boron magnet powder na polymer dị elu (dịka thermosetting epoxy resin, thermoplastic engineering plastics, wdg) dị ka ihe nkedo, kewara n'ime.Igwe Igwe Ọdụdọ Neodymium agbakwunyerenaIgwe Igwe Ọdụdọ Neodymium agbakwunyere. Ọ nwere oke nha nha dị oke elu, ịdị n'otu magnetik dị mma, yana nkwekọ, enwere ike mee ya ka ọ bụrụ ụdị dị mgbagwoju anya nke siri ike nweta na ndọta neodymium siri ike ma dịkwa mfe ijikọ ya na igwe ma ọ bụ plastik ndị ọzọ maka imepụta. Magnet Neodymium Bonded nwekwara ụzọ ndọta dị iche iche, mfu eddy dị ugbu a dị ala, yana nguzogide corrosion siri ike.
Bonded Neodymium Magnets bụ nke a na-ejikarị na ụlọ ọrụ teknụzụ ozi dị ka draịvụ ike kọmputa na moto diski ngwa anya, igwe nbipute/copier, na igwe magnetik, yana draịva na njikwa maka ngwa na-echekwa ike ugboro ugboro na ngwa eletrọnịkị ndị ahịa. Ngwa ha na obere moto pụrụ iche na sensọ nke ụgbọ ala ume ọhụrụ na-eji nwayọọ nwayọọ na-aghọ ahịa ahịa na-apụta.
Nkọwa nke Ike
Neodymium bụ metal antiferromagnetic nke na-egosipụta njirimara magnetik mgbe ọ dị ọcha, mana ọ bụ naanị na okpomọkụ dị n'okpuru 19 K (254.2 Celsius C; 425.5 ° F). A na-eji ogige Neodymium nwere metal ntụgharị ferromagnetic dị ka ígwè, na-enwe okpomọkụ Curie dị elu karịa ọnụ ụlọ, a na-eji emepụta ihe ndọta neodymium.
Ike magnetik Neodymium bụ ngwakọta nke ihe dị iche iche. Nke kachasị dị ịrịba ama bụ nnukwu uniaxial magnetocrystalline anisotropy nke tetragonal Nd2Fe14B kristal Ọdịdị (HA 7 T - ike ndọta H na nkeji nke A / m megide oge magnetik na Am2). Nke a na-egosi na kristal nke ihe ahụ magnetizes ọkachamma n'akụkụ ụfọdụ axis kristal mana ọ na-esiri ya ike ike ndọta n'akụkụ ndị ọzọ. Neodymium magnet alloy, dị ka ihe ndọta ndị ọzọ, bụ nke mkpụrụ osisi microcrystalline bụ nke a na-eme n'oge a na-emepụta ihe na-ejikọta na oghere magnetik siri ike nke na axe magnet ha niile na-atụ aka n'otu akụkụ. Ngwakọta ahụ nwere oke mmanye dị oke elu, ma ọ bụ iguzogide demagnetization, n'ihi nguzogide kristal na-agbanwe agbanwe ntụzịaka nke ndọta.
N'ihi na ọ nwere elektrọn anọ a na-ejikọtaghị ọnụ na nhazi elektrọn ya ma e jiri ya tụnyere (na nkezi) atọ n'ime ígwè, atom neodymium nwere ike ịnwe oge magnetik dipole dị ịrịba ama. Eletrọn a na-ejikọtaghị ọnụ na magnet nke na-ejikọta ya na ntụgharị ha na-eche ihu n'otu ụzọ ahụ na-emepụta oghere magnet. Nke a na-ebute magnetization saturation siri ike maka nchikota Nd2Fe14B (Js 1.6 T ma ọ bụ 16kG) yana ihe ndọta ihe fọdụrụ nke 1.3 teslas. N'ihi ya, oge ndọta a nwere ikike ịchekwa nnukwu ike magnetik (BHmax 512 kJ/m3 ma ọ bụ 64 MGOe), n'ihi na njupụta ume kachasị elu dabara na Js2.
Uru ike magnetik a dị ihe dịka ugboro 18 site na olu yana ugboro iri na abụọ site na uka buru ibu karịa "oge niile"magnetik ferrite. Samarium cobalt (SmCo), Ihe ndọta ụwa na-adịghị ahụkebe nke mbụ dị na azụmaahịa, nwere ọkwa dị ala nke njirimara ike ndọta karịa NdFeB alloys. Njirimara magnetik Neodymium na-emetụta n'ezie site na microstructure alloy, usoro nrụpụta na ihe mejupụtara ya.
Atọm ígwè na ngwakọta neodymium-boron ka a na-ahụ n'ígwé ndị ọzọ n'ime nhazi kristal Nd2Fe14B. Atọm boron diamagnetic na-akwalite ịdị n'otu site na njikọ njikọ siri ike mana anaghị etinye aka na ndọta. Ngwongwo Neodymium dị ọnụ ala karịa ihe ndọta samarium-cobalt n'ihi nleba anya nke ụwa dị obere (12% site na olu, 26.7% site na oke), yana nnweta neodymium na ígwè tụnyere samarium na cobalt.
Njirimara
akara ule:
A na-eji ngwaahịa ike kachasị nke neodymium magnetik-nke dabara na mmepụta magnetik n'otu ụda otu - iji hazie ha. A na-egosipụta ihe ndọta siri ike site na ụkpụrụ dị elu. Enwere categorization zuru ụwa ọnụ anabatara maka ndọta NdFeB emechiri emechi. Ha dị na uru site na 28 ruo 52. Neodymium, ma ọ bụ ihe ndọta NdFeB, nke a na-egosipụta site na mbido N n'ihu ụkpụrụ. A na-agbaso ụkpụrụ ndị a site na mkpụrụedemede ndị na-egosi mmanye ime mmụọ na oke okpomọkụ na-arụ ọrụ, nke ejikọtara nke ọma na okpomọkụ Curie yana site na ndabara (ruo 80 Celsius C ma ọ bụ 176 ° F) ruo TH (230 °C ma ọ bụ 446 °F) .
Ọkwa nke magnetik NdFeB emechiri emechi:
N30-N56, N30M-N52M, N30H-N52H, N30SH-N52SH, N28UH-N45UH, N28EH-N42EH, N30AH-N38AH
Otu n'ime njirimara ndị dị mkpa eji akọwa ihe ndọta na-adịgide adịgide bụ:
Ihe ndọta Neodymium na-aka ụdị ihe ndọta ndị ọzọ n'ihe gbasara ịdị ndụ, mmanye na ngwaahịa ike, mana ọ na-enwekarị okpomọkụ Curie dị ala. Terbium na dysprosium bụ ihe abụọ pụrụ iche neodymium magnet alloys nke emepụtara na okpomọkụ Curie dị elu yana nnabata okpomọkụ dị elu. Arụ ọrụ magnetik Neodymium dị iche na nke ụdị ndọta ndị ọzọ na-adịgide adịgide na tebụl dị n'okpuru.
Igwe Ọdụdọ | Br(T) | Hcj(kA/m) | BHmaxkJ/m3 | TC | |
(℃) | (℉) | ||||
Nd2Fe14B, agbachiri | 1.0-1.4 | 750-2000 | 200-440 | 310-400 | 590-752 |
Nd2Fe14B, ejikọtara | 0.6-0.7 | 600-1200 | 60-100 | 310-400 | 590-752 |
SmCo5, agbadoro | 0.8-1.1 | 600-2000 | 120-200 | 720 | 1328 |
Sm (Co, Fe, Cu, Zr) 7 agbadoro | 0.9-1.15 | 450-1300 | 150-240 | 800 | 1472 |
AlNiCi, gbakọtara | 0.6-1.4 | 275 | 10-88 | 700-860 | 1292-1580 |
Sr-Ferrite, nwere obi ụtọ | 0.2-0.78 | 100-300 | 10-40 | 450 | 842 |
Nsogbu corrosion
Oke ọka nke ndọta gbajiri agbaji na-enwekarị ike imebi na sintered Nd2Fe14B. Ụdị nrụrụ a nwere ike ịkpata mmebi dị ukwuu, dị ka mkpọsa oyi akwa dị n'elu ma ọ bụ mkpọda magnet n'ime ntụ ntụ nke obere ihe ndọta.
Ọtụtụ ngwa ahịa na-edozi ihe ize ndụ a site n'itinye ihe mkpuchi nchebe iji kwụsị ikpughe na gburugburu ebe obibi. Ihe ndị a na-ejikarị eme ihe bụ nickel, nickel-copper-nickel, na zinc, ebe a pụkwara iji ọla ndị ọzọ mee ihe, dị ka polymer na lacquer na-echebe.mkpuchi.
Mmetụta okpomọkụ
Neodymium nwere ọnụọgụ na-adịghị mma, nke pụtara na mgbe okpomọkụ na-ebili, ma mmanye na njupụta ike magnetik (BHmax) kachasị. N'ebe okpomọkụ dị n'ime ya, ihe ndọta neodymium-iron-boron nwere nnukwu mmanye; Otú ọ dị, mgbe okpomọkụ na-abawanye 100 Celsius C (212 Celsius F), mmanye na-ada ngwa ngwa ruo mgbe ọ ruru okpomọkụ Curie, nke dị gburugburu 320 °C ma ọ bụ 608 °F. Mbelata nke mmanye a na-egbochi ịdị irè magnet na ngwa dị elu dị ka ikuku ikuku, igwe igwe ngwakọ, wdg. Iji gbochie arụmọrụ ka ọ daa n'ihi mgbanwe okpomọkụ, terbium (Tb) ma ọ bụ dysprosium (Dy) na-agbakwunye, na-abawanye ọnụ ahịa nke ụlọ ọrụ ahụ. magnet.
Ngwa
N'ihi na ike ya dị elu na-enye ohere iji obere magnetik dị mfe maka otungwa, Neodymium magnetik etinyela alnico na ferrite magnet n'ọtụtụ ngwa na-enweghị atụ na teknụzụ ọgbara ọhụrụ ebe achọrọ ndọta na-adịgide adịgide siri ike. Nke a bụ ọtụtụ ọmụmaatụ:
Ndị na-arụ ọrụ isi maka diski ike kọmputa
Igwe ọkụ e-cigare ịgbanye ọkụ
Mkpọchi maka ọnụ ụzọ
ekwentị mkpanaaka ọkà okwu & autofocus actuators
Ihe nlere anya NMR nwere ike ibugharị
Igwe ọkụ eletrik & ndị na-eme ihe
Igwe ọkụ eletrik
Ngwaọrụ enweghị eriri
Servomotors& moto na-emekọrịta ihe
Motors maka ebuli na compressors
Spindle na stepper moto
Ngwakọ na moto ụgbọ ala eletrik
Ndị na-emepụta ọkụ eletrik maka igwe ikuku ikuku (ya na mkpali magnet na-adịgide adịgide)
Ndị na-ahụ maka mgbasa ozi na-ere ahịa
A na-eji magnetik neodymium dị ike na ụlọ ọrụ na-arụ ọrụ iji jide ihe ndị mba ọzọ ma chekwaa ngwaahịa na usoro.
Mmụba ike nke Neodymium Magnets akwalitela ojiji ọhụrụ dị ka mgbachi ọla magnetik, ihe ndọta ụmụaka (na neodymium ndị ọzọ).ihe eji egwuri egwu magnet), na dịka akụkụ nke usoro mmechi nke akụrụngwa parachute egwuregwu dị ugbu a. Ha bụ ọla bụ isi n'ime ihe ndọta egwuregwu egwuregwu a na-ewu ewu nke a maara dị ka "Buckyballs" na "Buckycubes," Otú ọ dị, ụlọ ahịa ụfọdụ na United States ahọrọla ịghara ire ha n'ihi nsogbu nchekwa ụmụaka, ma amachibidoro ha na Canada. maka otu ihe ahụ.
Site na nmepụta nke oghere magnetik resonance imaging (MRI) nke a na-eji ele ahụ ahụ na ngalaba redio dị ka ihe ọzọ na magnetik superconducting, ike na magnetik homogeneity nke neodymium magnet emeghewokwa ohere ọhụrụ na ụlọ ọrụ ahụike.
A na-eji Magnet Neodymium na-agwọ ọrịa reflux gastroesophageal dị ka usoro mgbochi reflux nke a na-etinye n'ịwa ahụ, nke bụ ihe ndọta nke a na-etinye n'ịwa ahụ gburugburu sphincter esophageal (GERD). Akụnyekwala ha na mkpịsị aka iji mee ka mmetụta uche nke oghere ndọta nwee ike, n'agbanyeghị na nke a bụ ọrụ nnwale nke ọ bụ naanị ndị na-eji biohackers na ndị na-egwe nri maara nke ọma.
Gịnị mere Họrọ Anyị
Site na ahụmịhe karịrị afọ iri,Honsen Magnetikenweela ọkarịrị n'ichepụta na ịzụ ahịa nke Magnet na-adịgide adịgide na Mgbakọ Igwe Ọdụdọ. Ahịrị mmepụta anyị buru ibu gụnyere usoro dị iche iche dị oke mkpa dị ka igwe, mgbakọ, ịgbado ọkụ, na ịkpụzi injection, nke na-enye anyị ohere ịnye ndị ahịa anyị OTU-Kwụsị-ihe ngwọta. Ikike ndị a zuru oke na-enye anyị ohere ịmepụta ngwaahịa kachasị elu nke na-agbaso ụkpụrụ kachasị mma.
At Honsen Magnetik, anyị na-anya isi dị ukwuu na anyị ahịa-centric obibia. Nkà ihe ọmụma anyị na-atụgharị anya n'itinye mkpa na afọ ojuju nke ndị ahịa anyị karịa ihe ọ bụla ọzọ. Nke a nkwa ana achi achi na ọ bụghị nanị na anyị na-ebupụta pụrụ iche ngwaahịa kamakwa na-enye magburu onwe ọrụ n'ime dum ndị ahịa njem. Ọzọkwa, anyị pụrụ iche aha gbatịrị n'ókè. Site n'ịnọgide na-enye ọnụ ahịa ezi uche dị na ya na ịnọgide na-enwe ogo ngwaahịa dị elu, anyị enwetala nnukwu ewu ewu na Europe, America, Ndịda Ebe Ọwụwa Anyanwụ Eshia, na obodo ndị ọzọ. Nzaghachi dị mma na ntụkwasị obi anyị na-enweta n'aka ndị ahịa anyị na-eme ka anyị guzosie ike na ụlọ ọrụ ahụ.