Menene NdFeB Magnets
Dangane da hanyoyin samarwa,Neodymium Magnetsza a iya raba zuwaNeodymium mai girmakumaNeodymium mai ɗorewa. Bonded Neodymium yana da maganadisu a duk kwatance kuma yana jure lalata; Sintered Neodymium yana da saurin lalacewa kuma yana buƙatarshafia saman ta, gabaɗaya ciki har da tutiya plating, nickel plating, tsabtace muhalli mai kyau na nickel plating.
Rarraba Neodymium Magnets
Dangane da hanyar masana'anta da aka yi aiki, ana iya raba kayan Magnet na Neodymium zuwa gidaNeodymium mai girmakumaNeodymium mai ɗorewa. Bonded Neodymium yana da maganadisu a duk kwatance kuma yana jure lalata; Sintered Neodymium yana da saurin lalacewa kuma yana buƙatarshafia saman ta, gabaɗaya ciki har da tutiya plating, nickel plating, tsabtace muhalli na tutiya plating, mahalli mai kyau nickel plating, nickel jan nickel plating, muhalli m nickel jan nickel plating, da dai sauransu A da yawa.aikace-aikaceA cikin kayayyaki na zamani waɗanda ke buƙatar magneto mai ƙarfi na dindindin, kamar injinan lantarki a cikin kayan aikin mara igiyar waya, faifan diski, da na'urorin maganadisu, sun ɗauki matsayin sauran nau'ikan maganadisu.
Mafi yawan nau'in Magnet na Rare-Earth shine aNeodymium Magnet, wanda aka fi sani da aNdFeB, NIB, ko Neo maganadisu. Neodymium, Iron, da Boron an haɗa su don ƙirƙirar Tsarin Dindindin na Magnet na Nd2Fe14B tetragonal crystalline. Neodymium Magnets sune mafi ƙarfi nau'in Magnet na Dindindin a halin yanzu akan kasuwa. General Motors da Sumitomo Special Metals ne suka haɓaka su daban a cikin 1984.
Neodymium Magnetwani abu ne mai wuyar gaggauwa mai ƙarancin yawa amma manyan kayan aikin injiniya, kuma farashinsa ya yi ƙasa da sauran Rare Earth Permanent Magnet Materials. A halin yanzu, dangane da kwatanta a kwance na rabon kasuwa tare da Rare Earth Permanent Magnet Materials, Neodymium Magnets suna da mafi girman kaso na kasuwa da samarwa na shekara-shekara, ƙasa da mai rahusa.Ferrite Magnets.
Sintered NdFeB maganadisosuna da mafi girman halayen maganadisu kuma ana amfani da su a fannoni da yawa, gami da lakunan ƙofa, injina, janareta, da manyan abubuwan masana'antu.
Abubuwan da aka matsa da maganadisosun fi ƙarfin maganadisu gyare-gyaren allura.
Allurar Filastik NdFeB maganadisusabon ƙarni ne mai haɗaɗɗun abu wanda ya ƙunshi foda na maganadisu na dindindin da filastik, tare da halaye na maganadisu na ban mamaki da na filastik, gami da daidaito mai tsayi da juriya.
Sintered Neodymium Magnets
Neodymium Magnet na Sinteredne na zamani mai ƙarfi maganadisu, wanda ba wai kawai yana da kyawawan halaye irin su babban remanence, high coercivity, high Magnetic makamashi samfurin, da high-yi farashin rabo amma kuma yana da sauki aiwatar a cikin daban-daban siffofi da kuma girma dabam, musamman dace da high-ikon da kuma girma. manyan filayen maganadisu, da kuma samfuran maye gurbi daban-daban da masu nauyi.
Sintered Neodymium Magnets ana amfani da su a cikin motoci (wayoyin lantarki, sarrafa wutar lantarki, na'urori masu auna firikwensin, da dai sauransu), samar da wutar lantarki, masana'antar bayanai (hard faifai, faifan diski na gani), na'urorin lantarki (wayoyin hannu, kyamarori dijital), gida na'urori (saɓanin mitar kwandishan, firiji, da injin wanki), injina na linzamin lif, na'urorin daukar hoto na maganadisu na nukiliya, da sauransu.Aikace-aikacea yankunan kamar hidimomin basira suna karuwa.
Abubuwan Magnets na Neodymium
Bonded Neodymium Magnet wani nau'i ne na kayan maganadisu na dindindin na dindindin wanda aka yi ta hanyar haɗuwa da sauri nanocrystalline neodymium baƙin ƙarfe boron magnetic foda tare da babban polymer (kamar thermosetting epoxy resin, thermoplastic injiniya robobi, da sauransu) azaman ɗaure, kasu kashi zuwaAbubuwan Magnet ɗin Neodymium MatsakaicikumaAbubuwan Magnets Injection Neodymium. Yana da daidaiton girman girman madaidaici, ingantacciyar daidaituwar maganadisu, da daidaito, kuma ana iya sanya shi cikin sifofi masu rikitarwa waɗanda ke da wahalar cimmawa akan maɗauran neodymium na sintered kuma yana da sauƙin haɗawa da sauran abubuwan ƙarfe ko filastik don ƙirƙirar. Bonded Neodymium Magnets kuma suna da hanyoyi daban-daban na maganadisu, ƙarancin hasara na yanzu, da juriya mai ƙarfi.
Bonded Neodymium Magnets ana amfani da su musamman a masana'antar fasahar bayanai kamar rumbun kwamfyuta da na'urorin faifai na gani na gani, injin firinta/copier, da na'urorin maganadisu, haka kuma abubuwan tuƙi da sarrafa abubuwan sarrafa mitar lantarki na kayan aikin gida da na'urorin lantarki. Aikace-aikacen su a cikin ƙananan injuna da na'urori na musamman da na'urori masu auna sigina na sabbin motocin makamashi sannu a hankali suna zama babbar kasuwa mai tasowa.
Bayanin Ƙarfi
Neodymium ƙarfe ne na antiferromagnetic wanda ke nuna halayen maganadisu lokacin da yake da tsarki, amma a yanayin zafi ƙasa da 19 K (254.2 ° C; 425.5 °F). Abubuwan da ake amfani da su na Neodymium tare da karafa na canji na ferromagnetic kamar ƙarfe, suna da yanayin yanayin Curie da yawa sama da zafin ɗaki, ana amfani da su don ƙirƙirar maganadisu neodymium.
Ƙarfin Neodymium maganadiso shine haɗin abubuwa daban-daban. Mafi mahimmanci shine anisotropy uniaxial magnetocrystalline anisotropy tetragonal Nd2Fe14B tsarin crystal (HA 7 T - ƙarfin filin maganadisu H a cikin raka'a na A/m akan lokacin maganadisu a cikin Am2). Wannan yana nuna cewa kristal na abu yana yin maganadisu da kyau tare da wani yanki na crystal amma yana ganin yana da ƙalubale sosai don yin maganadisu a wasu kwatance. Neodymium magnet alloy, kamar sauran maganadiso, an yi shi ne da hatsi na microcrystalline waɗanda ke lokacin masana'anta da ke daidaitawa a cikin filin maganadisu mai ƙarfi wanda ke nuna gaturansu na magnetic duk suna nuni zuwa ga hanya ɗaya. Filin yana da matsananciyar matsananciyar tilastawa, ko juriya ga lalatawa, saboda juriyar lattice ɗin crystal don canza alkiblarsa na maganadisu.
Saboda yana ƙunshe da na'urorin lantarki guda huɗu waɗanda ba a haɗa su ba a cikin tsarinsa na lantarki idan aka kwatanta da (a matsakaici) guda uku a cikin baƙin ƙarfe, atom ɗin neodymium yana iya samun gagarumin lokacin dipole na maganadisu. Waɗanda ba a haɗa su da lantarki a cikin magnet ɗin da ke daidaitawa ta yadda jujjuyawar su ke fuskantar alkibla ɗaya suna samar da filin maganadisu. Wannan yana haifar da ƙaƙƙarfan jikewa maganadisu don haɗin Nd2Fe14B (Js 1.6 T ko 16kG) da maɗaukakiyar maganadisu na yau da kullun na 1.3 teslas. Sakamakon haka, wannan lokaci na maganadisu yana da ikon adana manyan adadin kuzarin maganadisu (BHmax 512 kJ/m3 ko 64 MGOe), kamar yadda mafi girman ƙarfin kuzari ya yi daidai da Js2.
Wannan darajar makamashin maganadisu tana kusa da sau 18 da girma da kuma sau 12 da yawa fiye da “na yau da kullun”ferrite maganadisu. Samarium cobalt (SmCo), na farko da ake samu na kasuwanci da ba kasafai-duniya magana ba, yana da ƙaramin matakin wannan fasalin makamashin maganadisu fiye da alloys NdFeB. Halayen magnetic Neodymium maganadiso suna da tasiri sosai ta hanyar ƙananan ƙirar gami, tsarin masana'anta, da abun da ke ciki.
Abubuwan zarra na ƙarfe da haɗin neodymium-boron ana samun su a madadin yadudduka a cikin tsarin crystal Nd2Fe14B. Atom ɗin diamagnetic boron suna haɓaka haɗin kai ta hanyar haɗin gwiwa mai ƙarfi amma ba sa ba da gudummawa kai tsaye ga maganadisu. Neodymium maganadiso ba su da tsada fiye da na samarium-cobalt maganadisu saboda kwatankwacin ƙarancin ƙarancin duniya (12% ta girma, 26.7% ta taro), da kuma samin neodymium da baƙin ƙarfe idan aka kwatanta da samarium da cobalt.
Kayayyaki
Darajoji:
Mafi girman samfurin makamashi na magnetin neodymium-wanda yayi daidai da samar da motsin maganadisu a kowace juzu'i-ana amfani dashi don rarraba su. Ƙarfin maganadisu ana nuna su ta mafi girma dabi'u. Akwai rarrabuwa gabaɗaya a duniya don rarraba maganadisu NdFeB. Suna kewayo a cikin ƙima daga 28 zuwa 52. Neodymium, ko sintered NdFeB maganadiso, ana nuna shi ta farkon N kafin ƙimar. Ana biye da ƙimar da haruffa waɗanda ke nuna ƙarfin ƙarfi na ciki da matsakaicin yanayin yanayin aiki, waɗanda ke da alaƙa da inganci tare da zafin Curie kuma kewayo daga tsoho (har zuwa 80 ° C ko 176 ° F) zuwa TH (230 ° C ko 446 ° F) .
Darajoji na sintered magnets NdFeB:
N30-N56, N30M-N52M, N30H-N52H, N30SH-N52SH, N28UH-N45UH, N28EH-N42EH, N30AH-N38AH
Daga cikin mahimman halayen da ake amfani da su don bambanta maganadisu na dindindin sune:
Kasancewa(Br),wanda ke ƙididdige ƙarfin filin maganadisu.
Tilastawa(Hci),demagnetization juriya na abu.
Matsakaicin samfurin makamashi(BHmax),mafi girman darajar lokutan magnetic flux density(B).
Ƙarfin filin maganadisu, wanda ke auna yawan ƙarfin maganadisu (H).
Curie zafin jiki (TC), inda wani abu ya daina zama Magnetic.
Neodymium maganadiso sun fi sauran nau'ikan maganadisu cikin sharuddan wanzuwa, tilastawa, da samfurin makamashi, amma akai-akai suna da ƙananan yanayin Curie. Terbium da dysprosium abubuwa ne na musamman neodymium magnet alloys waɗanda aka ƙirƙira tare da mafi girman yanayin Curie da mafi girman juriya na zafin jiki. Neodymium maganadiso' maganadisu da aka bambanta da na sauran m maganadiso nau'i a cikin tebur a kasa.
| Magnet | Br(T) | Hcj(kA/m) | BHmaxkJ/m3 | TC | |
| ( ℃ ) | ( ℉ ) | ||||
| Nd2Fe14B | 1.0-1.4 | 750-2000 | 200-440 | 310-400 | 590-752 |
| Nd2Fe14B, haɗin gwiwa | 0.6-0.7 | 600-1200 | 60-100 | 310-400 | 590-752 |
| SmCo5, mai ban sha'awa | 0.8-1.1 | 600-2000 | 120-200 | 720 | 1328 |
| Sm (Co, Fe, Cu, Zr) | 0.9-1.15 | 450-1300 | 150-240 | 800 | 1472 |
| AlNiCi, mai girma | 0.6-1.4 | 275 | 10-88 | 700-860 | 1292-1580 |
| Sr-Ferrite, mai ban mamaki | 0.2-0.78 | 100-300 | 10-40 | 450 | 842 |
Matsalolin Lalata
Iyakokin hatsi na maganadisun sintepon suna da sauƙin kamuwa da lalata a cikin sintered Nd2Fe14B. Irin wannan lalata na iya haifar da babbar lalacewa, kamar zubewar shimfidar wuri ko rugujewar maganadisu zuwa wani ɗan ƙaramin abu na maganadisu.
Yawancin kayayyaki na kasuwanci suna magance wannan haɗarin ta haɗa da abin rufe fuska don dakatar da fallasa ga muhalli. Abubuwan da aka fi sani da su sune nickel, nickel-copper-nickel, da zinc, yayin da sauran karafa kuma za'a iya amfani da su, kamar yadda ake iya amfani da polymer da lacquer kariya.sutura.
Tasirin Zazzabi
Neodymium yana da ƙima mara kyau, wanda ke nufin cewa lokacin da zafin jiki ya tashi, duka ƙarfin ƙarfi da matsakaicin ƙarfin ƙarfin maganadisu (BHmax). A yanayin zafi na yanayi, maganadisun neodymium-iron-boron suna da babban tilastawa; duk da haka, lokacin da zafin jiki ya ƙaru sama da 100 ° C (212 ° F), tilastawa yana raguwa da sauri har sai ya kai ga zafin jiki na Curie, wanda ke kusa da 320 ° C ko 608 ° F. Wannan raguwa a cikin tilastawa yana ƙuntata tasirin maganadisu a cikin aikace-aikacen zafin jiki mai zafi kamar injin turbines, injin injin ɗin, da sauransu. Don hana aikin daga faɗuwa saboda canjin yanayin zafi, ana ƙara terbium (Tb) ko dysprosium (Dy), ƙara farashin maganadisu.
Aikace-aikace
Saboda ƙarfinsa mafi girma yana ba da damar amfani da ƙarami, ƙananan maganadisu don wani abuaikace-aikace, Neodymium maganadiso sun maye gurbin alnico da ferrite maganadiso a yawancin aikace-aikace marasa adadi a cikin fasahar zamani inda ake buƙatar maganadisu mai ƙarfi na dindindin. Ga misalai da yawa:
Head actuators na kwamfuta hard disks
Injin e-cigare masu kashe wuta
Makullan kofofi
masu magana da wayar hannu & autofocus actuators
Magnetic couplings da bearings
Na'urar sikirin NMR mai ɗaukar nauyi
Tutar wutar lantarki
Kayan aikin igiya
Servomotors& Motoci masu aiki tare
Motoci don ɗagawa da compressors
Spindle da stepper Motors
Motoci masu tuka mota masu haɗaka da lantarki
Masu samar da wutar lantarki don injin turbines (tare da tashin hankali na dindindin)
Retail media case decouplers
Ana amfani da ƙaƙƙarfan maganadisu neodymium a cikin masana'antar sarrafawa don kama jikin waje da kiyaye samfura da tsari.
Ƙarfin Neodymium Magnets ya ƙarfafa sababbin amfani kamar su kayan adon maganadisu, saitin ginin maganadisu na yara (da sauran neodymium.kayan wasan maganadisu), kuma a matsayin wani ɓangare na tsarin rufewa na kayan aikin parachute na wasanni na yanzu. Su ne babban ƙarfe a cikin fitattun kayan wasan tebur da aka fi sani da "Buckyballs" da "Buckycubes," duk da haka Wasu shagunan a Amurka sun ƙi sayar da su saboda matsalolin lafiyar yara, kuma an hana su a Kanada. saboda wannan dalili.
Tare da buɗaɗɗen na'urorin daukar hoto na maganadisu na maganadisu (MRI) da aka yi amfani da su don kallon jiki a cikin sassan rediyo a matsayin madadin manyan abubuwan maganadisu, ƙarfi da yanayin yanayin maganadisu na neodymium maganadiso suma sun buɗe sabbin damammaki a cikin masana'antar likitanci.
Ana amfani da Neodymium Magnets don kula da cututtukan gastroesophageal reflux a matsayin tsarin da aka dasa na rigakafi ta hanyar tiyata, wanda shine band na maganadiso da aka dasa a kusa da ƙananan sphincter na esophageal (GERD). Hakanan an dasa su a cikin yatsu don ba da damar fahimtar filayen maganadisu, duk da cewa wannan aikin gwaji ne wanda kawai masu fashin kwamfuta da injin niƙa suka saba da shi.
Me Yasa Zabe Mu
Tare da gogewa sama da shekaru goma,Honsen Magneticsya ci gaba da yin fice a masana'antu da ciniki na Dindindin Magnets da Magnetic Assemblies. Layukan samarwa da yawa sun ƙunshi matakai daban-daban masu mahimmanci kamar injina, taro, walda, da gyaran allura, wanda ke ba mu damar samarwa abokan cinikinmu MAGANIN DAYA. Waɗannan ingantattun damar damar suna ba mu damar samar da samfuran ƙima waɗanda suka dace da mafi girman ƙimar inganci.
At Honsen Magnetics, Mu yi girman kai ga abokin ciniki-centric m. Falsafar mu tana tattare da sanya bukatu da gamsuwar abokan cinikinmu sama da komai. Wannan alƙawarin yana tabbatar da cewa ba wai kawai isar da samfuran na musamman bane amma kuma muna ba da kyakkyawan sabis a duk tsawon tafiyar abokin ciniki. Haka kuma, sunanmu na musamman ya wuce iyaka. Ta ci gaba da ba da farashi masu ma'ana da kiyaye ingancin samfura, mun sami shahara sosai a Turai, Amurka, Kudu maso Gabashin Asiya, da sauran ƙasashe. Kyakkyawan ra'ayi da amana da muke samu daga abokan cinikinmu suna ƙara ƙarfafa matsayinmu a cikin masana'antar.
Layin Ayyukanmu
Tabbacin inganci
Ƙauyen Ƙungiyarmu & Abokan Ciniki
Yadda muke tattara kaya
