Kedu ihe bụ Neodymium Magnets

Kedu ihe bụ Neodymium Magnets

Neodymium (Nd-Fe-B) ndọtabụ ihe ndọta ụwa na-adịghị ahụkebe nke nwere neodymium (Nd), iron (Fe), boron (B), na ọla mgbanwe.Ha nwere arụmọrụ dị elu na ngwa n'ihi oghere ndọta ha siri ike, nke bụ 1.4 teslas (T), otu nke induction magnetik ma ọ bụ njupụta njupụta.

A na-ekewa ihe ndọta Neodymium site na otu esi emepụta ya, nke a na-ejikọta ma ọ bụ jikọtara ya.Ha abụrụla nke a na-ejikarị magnetik eme ihe kemgbe mmepe ha na 1984.

N'ọnọdụ okike ya, neodymium bụ ferromagnetic na enwere ike ịmegharị ya naanị na oke okpomọkụ dị oke ala.Mgbe ejikọtara ya na ọla ndị ọzọ, dị ka ígwè, ọ nwere ike magnetized na ụlọ okpomọkụ.

Enwere ike ịhụ ikike ndọta nke neodymium magnet na onyonyo dị n'aka nri.

neodymium-magnet

Ụdị abụọ nke ihe ndọta ụwa na-adịghị ahụkebe bụ neodymium na samarium cobalt.Tupu achọpụtara ihe ndọta neodymium, ihe ndọta samarium cobalt bụ ihe a na-ejikarị eme ihe mana ọ bụ ihe ndọta neodymium nọchiri ya n'ihi mmefu nke imepụta ihe ndọta samarium cobalt.

Chart Njirimara Igwe Ọdụdọ

Kedu ihe bụ Njirimara Neodymium Magnet?

Isi njirimara nke neodymium magnets bụ otú ike ha si dị maka nha ha.Ebe ndọta nke neodymium magnet na-eme mgbe a na-etinye oghere magnet na ya na atom dipoles align, nke bụ magnet hysteresis loop.Mgbe e wepụrụ oghere ndọta, akụkụ nke nhazi ahụ na-anọgide na neodymium magnetized.

Ọkwa nke neodymium magnet na-egosi ike ndọta ha.Ka ọnụọgụ ọkwa dị elu, nke ahụ na-esiwanye ike bụ ike ndọta.Ọnụọgụ ndị ahụ sitere na akụrụngwa ha gosipụtara dị ka mega gauss Oersteds ma ọ bụ MGOe, nke bụ ebe kachasị ike nke BH Curve ya.

Ọnụ ọgụgụ “N” na-amalite na N30 wee gaa na N52, n'agbanyeghị na a na-ejikarị magnetik N52 eme ihe ma ọ bụ naanị n'ọnọdụ pụrụ iche.Nọmba "N" nwere ike soro mkpụrụedemede abụọ, dị ka SH, nke na-egosi mmanye magnet (Hc).Ka Hc dị elu, otú ahụ ka okpomọkụ neo magnet nwere ike ịtachi obi tupu ọ tụfuo mmepụta ya.

Chaatị dị n'okpuru na-edepụta akara ule neodymium a na-ejikarị eme ihe ugbu a.

Njirimara nke Neodymium Magnets

Nnọgide:

Mgbe etinyere neodymium n'ime oghere magnetik, atomịk dipoles na-ahazi.Mgbe ewepụrụ ya n'ọhịa, akụkụ nke nhazi ahụ ka na-emepụta neodymium magnetized.Remanence bụ njupụta njupụta nke na-adị mgbe mpaghara mpụga lọghachiri site na uru nke saturation gaa na efu, nke bụ ndọta fọdụrụnụ.Nke dị elu nke remanence, nke dị elu njupụta njupụta.Neodymium magnetik nwere njupụta njupụta nke 1.0 ruo 1.4 T.

Mwepu nke neodymium magnets dịgasị iche dabere n'otú e si emepụta ha.Ihe ndọta neodymium a na-agba agba nwere T nke 1.0 ruo 1.4.Ihe ndọta neodymium jikọtara ọnụ nwere 0.6 ruo 0.7 T.

Mmanye:

Mgbe neodymium mebere magnet, ọ naghị alaghachi na magnetization efu.Iji nwetaghachi ya na magnetization efu, a ga-ebughachi ya azụ site na ubi dị n'akụkụ nke ọzọ, nke a na-akpọ mmanye.Ngwongwo a nke magnetik bụ ikike ya iguzogide mmetụta nke ike ndọta na-enweghị demagnetized.Mmanye bụ ihe nlebawanye ike a chọrọ site na oghere ndọta iji belata ndọta magnetị azụ na efu ma ọ bụ nguzogide magnet ga-emebi.

A na-atụ mmanye ike na nkeji oerted ma ọ bụ ampere nke akpọrọ Hc.Mmanye nke neodymium magnets na-adabere n'otú e si emepụta ha.Ihe ndọta neodymium na-agba agba nwere ikike mmanye nke 750 Hc ruo 2000 Hc, ebe ndọta neodymium jikọtara ya na mmanye nke 600 Hc ruo 1200 Hc.

Ngwaahịa ike:

A na-eji njupụta nke ike magnetik mara site na uru kachasị elu nke oge njupụta njupụta nke ike ndọta, nke bụ ọnụọgụ magnetik n'otu akụkụ elu.A na-atụ nkeji ahụ na teslas maka nkeji SI na Gauss ya na akara maka njupụta njupụta bụ B. Njupụta ndọta bụ nchikota oghere magnetik mpụga H na ahụ magnetik magnetik polarization J na nkeji SI.

Ihe ndọta na-adịgide adịgide nwere mpaghara B na isi na gburugburu ha.A na-ekwu na ntụziaka nke ike ubi B na isi ihe dị n'ime na n'èzí magnet.Agịga kompas dị na mpaghara B nke magnet na-atụ aka n'onwe ya na ntụziaka ubi.

Enweghị ụzọ dị mfe iji gbakọọ njupụta njupụta nke ụdị magnetik.Enwere mmemme kọmputa nke nwere ike ịme ngụkọta oge.Enwere ike iji usoro dị mfe maka geometry dị mgbagwoju anya.

A na-atụ ike ndọta na Gauss ma ọ bụ Teslas ma bụrụ ihe a na-ahụkarị maka ike magnet, nke bụ ihe njupụta nke oghere magnetik ya.A na-eji mita gauss tụọ njupụta njupụta nke magnet.Njupụta njupụta maka magnet neodymium bụ 6000 Gauss ma ọ bụ ihe na-erughị ya n'ihi na ọ nwere usoro demagnetization kwụ ọtọ.

Okpomọkụ Curie:

Okpomọkụ curie, ma ọ bụ ebe curie, bụ ọnọdụ okpomọkụ nke ihe ndọta nwere mgbanwe na njirimara magnetik ha wee ghọọ paramagnetic.N'ọla ndọta, atom magnetik na-adakọ n'otu ụzọ ma na-ewusi oghere ndọta nke ibe ya ike.Ịkwalite okpomọkụ curie na-agbanwe nhazi nke atọm.

Mmanye na-abawanye ka okpomọkụ na-abawanye.Ọ bụ ezie na magnetik neodymium nwere nnukwu mmanye na ụlọ okpomọkụ, ọ na-agbada ka okpomọkụ na-ebili ruo mgbe ọ ruru okpomọkụ nke curie, nke nwere ike ịdị gburugburu 320 ° C ma ọ bụ 608 ° F.

N'agbanyeghị otú magnetik neodymium siri sie ike, oke okpomọkụ nwere ike ịgbanwe atom ha.Ikpughe ogologo oge na okpomọkụ dị elu nwere ike ime ka ha tufuo akụrụngwa magnetik ha kpamkpam, nke na-amalite na 80 ° C ma ọ bụ 176 ° F.

ntụnyere br hci
Igwe igwe

Kedu ka esi eme Magnet Neodymium?

Usoro abụọ a na-eji emepụta magnetik neodymium bụ njikọ na njikọta.Njirimara nke magnetik emechara dịgasị iche dabere n'otú e si emepụta ha na sintering bụ ụzọ kachasị mma nke ụzọ abụọ ahụ.

Otu esi eme Magnet Neodymium

Na-egwu egwu

  1. Na-agbaze:

    A na-atụle Neodymium, Ígwè na boron ma tinye n'ime ọkụ induction oghere iji mepụta alloy.A na-agbakwunye ihe ndị ọzọ maka akara ule dị iche iche, dị ka cobalt, ọla kọpa, gadolinium, na dysprosium iji nyere aka na nguzogide corrosion.A na-emepụta ikpo ọkụ site na mmiri ọkụ eletrik n'ime oghere iji mee ka ihe ndị na-emerụ emerụ pụta.Ngwakọta neo alloy dị iche iche maka onye nrụpụta na ọkwa nke neodymium magnet.

  2. Ntụ ntụ:

    A na-eme ka alloy gbazere dị jụụ wee ghọọ ingots.A na-egweri ingots n'ime ikuku nitrogen na argon iji mepụta ntụ ntụ nwere obere micron.A na-etinye ntụ ntụ neodymium na hopper maka ịpị.

  3. Ịpị:

    A na-agbanye ntụ ntụ n'ime anwụ dị ntakịrị karịa ọdịdị a chọrọ site na usoro a maara dị ka iwe iwe na okpomọkụ nke ihe dịka 725 ° C. Ụdị dị ukwuu nke ọnwụ ahụ na-enye ohere maka nkwụsịtụ n'oge usoro nsị.N'oge ịpị, a na-ekpughe ihe ahụ na oghere magnetik.A na-etinye ya na ọnwụ nke abụọ ka a pịa ya ka ọ bụrụ ọdịdị sara mbara iji kwado magnetization yiri ntụziaka nke ịpị.Ụzọ ụfọdụ gụnyere ihe nrụnye iji mepụta oghere ndọta n'oge ịpị iji kwado ihe ndị ahụ.

    Tupu a tọhapụrụ magnet a na-agbanye, ọ na-enweta ihe na-eme ka ọ ghara imebi ya ka ọ hapụ ya ka ọ mepụta magnetik akwụkwọ ndụ akwụkwọ ndụ, nke na-adị mfe crumbles ma nwee ihe ndọta na-adịghị mma.

  4. Na-agụ:

    Ịkụkọ, ma ọ bụ frittage, na-ejikọta ma mepụta magnetik akwụkwọ ndụ akwụkwọ ndụ na-eji okpomọkụ dị n'okpuru ebe mgbaze ya iji nye ya ihe ndọta ikpeazụ ya.A na-enyocha usoro a nke ọma na ikuku ikuku na-enweghị ikuku.Oxides nwere ike imebi ọrụ magnetik neodymium.A na-agbanye ya na okpomọkụ na-eru 1080 ° C mana n'okpuru ebe mgbaze ya iji mee ka ụmụ irighiri ihe na-arapara n'ahụ ibe ha.

    A na-etinye ihe nkwụsịtụ iji mee ka magnetọ ahụ dị ngwa ngwa wee belata usoro, nke bụ ụdị dị iche iche nke alloy nwere àgwà magnetik adịghị mma.

  5. Ịrụ igwe:

    A na-eji ọla diamond ma ọ bụ ngwaọrụ ịkpụ waya na-akpụzi ha ka ọ dị mma.

  6. Ịkwasa na mkpuchi:

    Neodymium oxidizes ngwa ngwa ma na-adịkarị mfe corrosion, nke nwere ike wepụ ihe ndọta ya.Dị ka ihe nchebe, a na-ekpuchi ha na plastik, nickel, ọla kọpa, zinc, tin, ma ọ bụ ụdị mkpuchi ndị ọzọ.

  7. Magnetization:

    Ọ bụ ezie na ihe ndọta ahụ nwere ntụzịaka nke ndọta, ọ bụghị magnetized na a ga-ekpughere ya nkenke n'ime oghere magnetik siri ike, nke bụ eriri waya nke gbara magnet gburugburu.The magnetizing na-agụnye capacitors na elu voltaji na-emepụta ike ugbu a.

  8. Nyocha ikpeazụ:

    Igwe ihe nleba anya dijitalụ na-enyocha akụkụ ya yana teknụzụ fluorescence x-ray na-enyocha ọkpụrụkpụ nke plain ahụ.A na-anwale mkpuchi ahụ n'ụzọ ndị ọzọ iji hụ na ịdị mma na ike ya.A na-anwale usoro BH site na eserese hysteresis iji kwado nkwalite zuru oke.

 

Usoro eruba

Nkwekọrịta

Nkwekọrịta, ma ọ bụ mkpakọ njikọ, bụ usoro ịnwụ anwụ nke na-eji ngwakọta nke neodymium ntụ ntụ na ihe na-ejikọta epoxy.Ngwakọta ahụ bụ ihe ndọta 97% na 3% epoxy.

A na-agbakọta ngwakọta epoxy na neodymium na mpempe akwụkwọ ma ọ bụ wepụ ya ma gwọọ ya na oven.Ebe ọ bụ na a na-agbanye ngwakọta ahụ n'ime anwụ ma ọ bụ tinye site na extrusion, magnet nwere ike ịkpụzi ka ọ bụrụ ọdịdị dị mgbagwoju anya na nhazi.Usoro nchikota nke mkpakọ na-emepụta magnetik nwere nnabata siri ike na ọ dịghị achọ ọrụ nke abụọ.

Ihe ndọta jikọtara mkpakọ bụ isotropic na enwere ike ịmegharị ya n'akụkụ ọ bụla, nke gụnyere nhazi ọtụtụ polar.Njikọ epoxy na-eme ka magnetik sie ike nke ọma ka a na-egweri ma ọ bụ techie ya mana a gaghị agbapụ ya ma ọ bụ kpatụ ya.

Radial Sintered

Ihe ndọta neodymium gbakwasara radially bụ ihe ndọta kachasị ọhụrụ na ahịa ndọta.Usoro maka imepụta magnetik radial aligned ka amatala kemgbe ọtụtụ afọ mana ọ naghị efu ọnụ.Mmepe teknụzụ ndị na-adịbeghị anya emewo ka usoro mmepụta ihe na-eme ka ọ dị mfe imepụta magnet na-adabere na radially.

Usoro atọ maka imepụta magnetik neodymium radial aligned bụ anisotropic molding, na-ekpo ọkụ na-akụ azụ azụ extrusion, na radial rotating ubi alignment.

Usoro nchikota na-eme ka a mara na enweghi ntụpọ adịghị ike na nhazi magnet.

Àgwà pụrụ iche nke ihe ndọta radially aligned bụ ntụzịaka nke oghere ndọta, nke na-agbatị gburugburu ebe ndọta ahụ.Ogwe ndịda nke magnet dị n'ime ime mgbanaka ahụ, ebe ogwe ugwu dị na gburugburu ya.

Ihe ndọta neodymium gbakwasara radially bụ anisotropic ma bụrụ nke magnetized site n'ime mgbanaka ahụ gaa n'èzí.Magnetization Radial na-abawanye ike ndọta mgbanaka ma nwee ike ịkpụzi ya n'ọtụtụ usoro.

Enwere ike iji magnetik neodymium mgbanaka radial maka moto mekọrịtara ọnụ, moto steepụ, na moto brushless DC maka ụlọ ọrụ ụgbọ ala, kọmpụta, eletrọnịkị na nkwukọrịta.

Ngwa nke Neodymium Magnet

Ndị na-ebufe nkewa magnetik:

N'ihe ngosi dị n'okpuru ebe a, a na-ekpuchi eriri neodymium na-ebufe eriri.A na-ahazi ihe ndọta ahụ na okporo osisi ndị na-atụgharị ihu nke na-enye ha njide magnetik siri ike.Ihe na-adọtaghị na ndọta na-ada, ebe a na-atụba ihe ferromagnetic n'ime ebe a na-anakọta ihe.

aluminum-steel-nkewa-ebufe

Ụdị diski ike:

draịva siri ike nwere egwu na ngalaba nwere sel magnetik.A na-eme ka mkpụrụ ndụ magnetik mgbe edere data na draịva.

Nhọrọ nke gita eletrik:

Igwe ọkụ eletrik na-achọpụta ụdọ na-ama jijiji wee gbanwee mgbaama ka ọ bụrụ ọkụ eletrik na-adịghị ike iziga na igwe na-amụba na igwe okwu.Gita eletrik adịghị ka ụbọ akwara na-eme ka ụda ha dị elu n'ime igbe oghere dị n'okpuru eriri.Gita eletrik nwere ike ịbụ ígwè siri ike ma ọ bụ osisi na-eme ka ụda ha dịkwuo elu na electronically.

eletrik-guitar- pickups

Ọgwụgwọ mmiri:

A na-eji magnet Neodymium mee ihe na ọgwụgwọ mmiri iji belata nsị site na mmiri siri ike.Mmiri siri ike nwere nnukwu ịnweta ọdịnaya nke calcium na magnesium.Site na ọgwụgwọ mmiri magnetik, mmiri na-agafe ebe ndọta iji weghara scaling.A naghị anabata teknụzụ ahụ kpamkpam ka ọ dị irè.Enweela nsonaazụ na-agba ume.

magnetik-mmiri ọgwụgwọ

Mgbanwe Reed:

Mgbanwe nke ahịhịa amị bụ ngbanwe eletrik nke oghere ndọta na-arụ.Ha nwere kọntaktị abụọ na ahịhịa ọla na envelopu iko.Kọntaktsị nke mgba ọkụ na-emeghe ruo mgbe magnet gbara ya ọrụ.

A na-eji mgba ọkụ Reed na sistemu igwe dị ka ihe mmetụta dị nso n'ọnụ ụzọ na mpio maka sistemu mkpu ndị na-apụnara mmadụ ihe na nnwapụta tamper.Na laptọọpụ, mgbanaka ahịhịa amị na-etinye laptọọpụ n'ọnọdụ ụra mgbe mkpuchi mkpuchi.Ahụigodo pedal maka akụkụ ọkpọkọ na-eji mgba ọkụ ahịhịa amị dị n'ime mkpuchi iko maka kọntaktị iji chebe ha pụọ ​​​​na unyi, uzuzu na irighiri ihe.

magnetik-amị amị-mgbanwe-ihe mmetụta

Igwe Igwe Ọdụdọ:

A na-eji Neodymium sew na magnetik maka njide magnetik na obere akpa, uwe, na nchekwa ma ọ bụ ihe nkedo.A na-ere ihe ndọta akwa n'ụdị abụọ na otu magnet bụ a+ na nke ọzọ a-.

Igwe Igwe Igwe Ọdụdọ:

Enwere ike idobe eze eze n'ọnọdụ site na magnetik agbakwunyere n'agba onye ọrịa.A na-echebe ihe ndọta ahụ pụọ na corrosion sitere na mmiri site na akwa igwe anaghị agba nchara.A na-etinye seramiki titanium nitride iji zere abrasion ma belata ikpughe na nickel.

Ọnụ ụzọ ndọta:

Ọnụ ụzọ ndọta bụ ihe nkwụsị nke na-ejide ọnụ ụzọ mepere emepe.Ọnụ ụzọ ahụ meghere, metụ magnetik aka, wee na-emeghe ruo mgbe a dọpụrụ ọnụ ụzọ magnet.

ọnụ ụzọ-mgbanaka-magnet

Ngwakọta ọla:

Ihe mgbachi ọla magnetik na-abịa na ọkara abụọ ma ere ya dịka ụzọ abụọ.Halves nwere magnet n'ime ụlọ nke ihe na-abụghị magnetik.Loop ọla na njedebe na-ejikọta yinye nke mgbaaka ma ọ bụ olu.Ụlọ ndọta na-adaba n'ime ibe ha na-egbochi n'akụkụ gaa n'akụkụ ma ọ bụ ịkpachapụ anya n'etiti magnets iji nye njide siri ike.

Ndị na-ekwu okwu:

Ndị na-ekwu okwu na-atụgharị ike eletrik ka ọ bụrụ ike igwe ma ọ bụ mmegharị.Ike igwe ahụ na-akpakọ ikuku ma na-atụgharị mmegharị ka ọ bụrụ ike ụda ma ọ bụ ọkwa nrụgide ụda.Igwe ọkụ eletrik, nke ezitere site na eriri waya, na-emepụta oghere magnet n'ime ihe ndọta jikọtara na ọkà okwu.Ihe ndọta na-adịgide adịgide na-adọta ma na-ebugharị eriri olu ahụ, nke na-eme ka cone, eriri olu na-ejikọta ya, na-aga azụ na azụ.Ntugharị cones na-emepụta ebili mmiri nrụgide a na-anụ dị ka ụda.

onye na-ekwu okwu

Ihe mmetụta mgbochi mgbachi breeki:

Na breeki mgbochi mkpọchi, magnetik neodymium na-ekechi n'ime eriri ọla kọpa na sensọ breeki.Sistemụ mgbochi mkpọchi na-achịkwa wiil ọnụego na-eme ngwa ngwa ma mebie ngwa ngwa site na ịhazi nrụgide ahịrị etinyere na breeki.A na-ewere akara njikwa, nke onye njikwa na-emepụta ma tinye ya na unit modulating brek, site na sensọ ọsọ wheel.

Ezé na mgbanaka ihe mmetụta na-atụgharị gafee ihe mmetụta magnetik, nke na-ebute ngbanwe nke polarity nke oghere magnetik nke na-eziga mgbama ugboro ugboro na ọsọ angular nke axle.Ihe dị iche iche nke mgbaàmà bụ ngwa ngwa nke wiil.

Atụmatụ Neodymium Magnet

Dị ka ihe ndọta kachasị ike na nke siri ike n'ụwa, ihe ndọta neodymium nwere ike imebi mmetụta ọjọọ.Ọ dị mkpa ka a na-edozi ha nke ọma na-echebara nsogbu ha nwere ike ime.N'okpuru bụ nkọwa nke ụfọdụ mmetụta ọjọọ nke neodymium magnetik.

Mmetụta na-adịghị mma nke Neodymium Magnets

Mmeri ahụ:

Ihe ndọta Neodymium nwere ike ịwụkọta ọnụ wee tuo akpụkpọ ahụ ma ọ bụ bute mmerụ ahụ dị egwu.Ha nwere ike imali ma ọ bụ gbakọọ ọnụ site na ọtụtụ sentimita ruo ọtụtụ ụkwụ iche.Ọ bụrụ na mkpịsị aka dị n'ụzọ, ọ nwere ike ịgbaji ma ọ bụ mebie ya nke ukwuu.Neodymium magnetik dị ike karịa ụdị ndọta ndị ọzọ.Ike dị egwu dị n'etiti ha na-abụkarị ihe ijuanya.

Mgbaji Igwe Ọdụdọ:

Neodymium magnetik na-agbaji agbaji ma nwee ike bee, mgbawa, mgbawa ma ọ bụ gbajie ma ọ bụrụ na ha na-agbakọta ọnụ, nke na-eziga obere mpempe ígwè dị nkọ na-efe efe na nnukwu ọsọ.A na-eji ihe siri ike ma na-agbaji agbaji eme ihe ndọta Neodymium.N'agbanyeghị na e ji ígwè mee, na inwe ọdịdị na-egbukepụ egbukepụ, ọdịdị dara, ha anaghị adịte aka.Ekwesịrị iyi ihe nchebe anya mgbe ị na-ejikwa ha.

Hapụ ụmụaka:

Neodymium magnets abụghị ihe egwuregwu ụmụaka.E kwesịghị ikwe ka ụmụaka na-ejide ha.Ndị nta nwere ike ịbụ ihe egwu na-akpagbu.Ọ bụrụ na iloro ọtụtụ magnets, ha na-ejikọta ibe ha site na mgbidi eriri afọ, nke ga-ebute nsogbu ahụike siri ike, na-achọ ịwa ahụ ozugbo.

Ihe egwu dị n'ebe ndị na-eme pacemakers:

Ike ubi nke gauss iri n'akụkụ ihe na-eme ngwa ngwa ma ọ bụ defibrillator nwere ike iji ngwaọrụ etinyere emekọrịta ihe.Ihe ndọta Neodymium na-emepụta oghere ndọta siri ike, nke nwere ike igbochi ndị na-eme ngwa ngwa, ICD, na ngwaọrụ ahụike etinyere.Ọtụtụ ngwaọrụ etinyere na-arụ ọrụ mgbe ha nọ nso ebe ndọta.

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Mgbasa ozi magnetik:

Ebe ndọta siri ike sitere na neodymium magnets nwere ike imebi mgbasa ozi magnetik dị ka floppy disks, kaadị kredit, kaadị ID magnetik, teepu kaseti, teepu vidiyo, mebie televishọn ochie, VCRs, nlekota kọmputa, na ihe ngosi CRT.E kwesịghị itinye ha nso ngwa ngwa eletrọnịkị.

GPS na Smartphones:

Igwe ndọta na-egbochi kompas ma ọ bụ magnetometer na kompas dị n'ime nke smartphones na ngwaọrụ GPS.Otu International Air Transport Association na iwu na ụkpụrụ Federal US na-ekpuchi mbupu magnet.

Allergy nke Nickel:

Ọ bụrụ na ị nwere ihe nfụkasị nickel, usoro ahụ ji alụso ọrịa ọgụ na-emehie nickel dị ka onye omempụ dị ize ndụ ma mepụta kemịkalụ iji lụso ya ọgụ.Mmeghachi omume nfụkasị na nickel bụ ọbara ọbara na ọkụ ọkụ.Ihe nfụkasị nickel na-adịkarị na ụmụ nwanyị na ụmụ agbọghọ.Ihe dị ka pasent 36 nke ụmụ nwanyị, ndị na-erubeghị afọ 18, nwere nrịanrịa nickel.Ụzọ isi zere nrịanrịa nickel bụ iji zere ihe ndọta neodymium kpuchiri nickel.

Demagnetization:

Neodymium magnetik na-ejigide ịdị irè ha ruo 80°C ma ọ bụ 175°F. Okpomọkụ ha na-amalite ịkwụsị ịdị irè ha dịgasị iche site na ọkwa, ọdịdị na ngwa.

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Enwere ike ire ọkụ:

E kwesịghị ịkụnye ihe ndọta Neodymium ma ọ bụ megharịa ya.Uzuzu na ntụ ntụ a na-emepụta site n'igweri na-ere ọkụ.

Corrosion:

A na-eji ụdị mkpuchi ma ọ bụ ihe mkpuchi emecha ihe ndọta Neodymium iji chebe ha pụọ ​​​​na ihe ndị ahụ.Ha anaghị egbochi mmiri, ha ga-ata nchara ma ọ bụ na-emebi emebi mgbe etinyere ya na gburugburu mmiri ma ọ bụ mmiri.

Ụkpụrụ na ụkpụrụ maka ojiji Magnet Neodymium

Ọ bụ ezie na ihe ndọta neodymium nwere oghere ndọta siri ike, ha na-agbaji nke ukwuu ma na-achọ njikwa pụrụ iche.Ọtụtụ ụlọ ọrụ na-ahụ maka ụlọ ọrụ ewepụtala ụkpụrụ gbasara njikwa, nrụpụta na mbupu magnetik neodymium.Edepụtara nkọwa nkenke nke ole na ole n'ime iwu ndị a n'okpuru.

Ụkpụrụ na ụkpụrụ maka Magnet Neodymium

American Society of Mechanical Engineers:

The American Society of Mechanical Engineers (ASME) nwere ụkpụrụ maka N'okpuru-The- Hook ebuli ngwaọrụ.Standard B30.20 na-emetụta nrụnye, nyocha, nnwale, mmezi na ịrụ ọrụ nke ngwaọrụ ebuli elu, nke gụnyere ihe ndọta na-ebuli elu ebe onye ọrụ na-edobe magnet na ibu ma na-eduzi ibu ahụ.A na-etinye ọkọlọtọ ASME BTH-1 na njikọ ASME B30.20.

Nyocha ihe ize ndụ na isi njikwa dị egwu:

Nyochaa Hazard na isi ihe njikwa dị egwu (HACCP) bụ usoro njikwa ihe egwu nke mba ụwa ama ama.Ọ na-enyocha nchekwa nri site na ihe egwu dị ndụ, kemịkalụ, na anụ ahụ site na ịchọ njirimara na njikwa ihe egwu n'oge ụfọdụ na usoro mmepụta.Ọ na-enye asambodo maka akụrụngwa eji n'ụlọ nri.HACCP achọpụtala ma kwado ụfọdụ ndọta nkewa eji na ụlọ ọrụ nri.

Ngalaba Ọrụ Ugbo nke United States:

Ngalaba nke United States Department of Agriculture Agricultural Marketing Service akwadola akụrụngwa nkewa magnetik dị ka ndị na-akwado maka iji mmemme nhazi nri abụọ:

  • Mmemme Nyochaa Akụrụngwa mmiri ara ehi
  • Mmemme nyocha anụ na anụ ọkụkọ

Asambodo dabere na ụkpụrụ ma ọ bụ ụkpụrụ abụọ:

  • Nhazi ịdị ọcha na imepụta ngwa eji edozi mmiri ara ehi
  • Ịdị ọcha na imepụta ihe eji arụ ọrụ anụ na anụ ọkụkọ nke na-ezute NSF/ANSI/3-A SSI 14159-1-2014 chọrọ ịdị ọcha

Mmachibido iji ihe dị ize ndụ:

Mmachi nke iji ihe dị ize ndụ (RoHS) ụkpụrụ na-amachi ojiji nke lead, cadmium, polybrominated biphenyl (PBB), mercury, hexavalent chromium, na polybrominated diphenyl ether (PBDE) ire ọkụ na ngwa eletrọnịkị.Ebe ọ bụ na ndọta neodymium nwere ike ịdị ize ndụ, RoHS ewepụtala ụkpụrụ maka njikwa na ojiji ha.

Òtù Na-ahụ Maka Ụgbọelu Mba Nile:

Ekpebisiri ike na magnetik ka ọ bụrụ ihe dị ize ndụ maka mbupu na mpụga kọntinent United States gaa ebe mba ụwa.Ihe ọ bụla ngwugwu, nke a ga-ebufe site na ikuku, ga-enwerịrị ike ndọta nke 0.002 Gauss ma ọ bụ karịa n'ebe dị anya nke ụkwụ asaa site n'ebe ọ bụla dị n'elu ngwugwu ahụ.

Federal Aviation nchịkwa:

A ga-anwalerịrị ngwugwu nwere magnetik nke ikuku na-ebufe iji mezuo ụkpụrụ ndị etinyere.Ngwunye magnetik kwesịrị ịtụ ihe na-erughị 0.00525 gauss na 15 ụkwụ site na ngwugwu.Igwe ndọta dị ike na nke siri ike ga-enwerịrị ụdị ihe mkpuchi.Enwere ọtụtụ iwu na ihe achọrọ maka mbupu magnet site na ikuku n'ihi ihe egwu nchekwa nwere ike ime.

Mmachibido, Ntụle, ikike nke kemịkalụ:

Mmachibido, Nyocha, na ikike nke Chemicals (REACH) bụ ọgbakọ mba ụwa bụ akụkụ nke European Union.Ọ na-ahazi ma na-etolite ụkpụrụ maka ihe ndị dị ize ndụ.Ọ nwere ọtụtụ akwụkwọ na-akọwapụta ojiji, njikwa na imepụta magnetik kwesịrị ekwesị.Ọtụtụ n'ime akwụkwọ ndị ahụ na-ezo aka n'iji magnetik eme ihe na ngwaọrụ ahụike na ngwa eletrọnịkị.

Mmechi

  • Neodymium (Nd-Fe-B) magnetik, nke a maara dị ka neo magnets, bụ ihe ndọta ụwa na-adịghị ahụkebe nke mejupụtara neodymium (Nd), iron (Fe), boron (B), na ọla mgbanwe.
  • Usoro abụọ a na-eji emepụta magnetik neodymium bụ njikọ na njikọta.
  • Neodymium magnets aghọwo ihe a na-ejikarị eme ihe n'ọtụtụ ụdị magnet.
  • Ebe ndọta nke neodymium magnet na-eme mgbe a na-etinye oghere magnet na ya na atom dipoles align, nke bụ magnet hysteresis loop.
  • Enwere ike imepụta magnetik Neodymium n'ogo ọ bụla mana na-ejigide ike ndọta mbụ ha.

Oge nzipu: Jul-11-2022