Yuav Ua Li Cas Kev Txhim Kho Ntawm Cov Cuab Yeej Tshiab tau ua tiav hauv Kev Siv Alnico Magnets

Raws li ib qho ntawm qhov ntxov tshaj plaws tsim cov khoom siv hlau nplaum ruaj khov,AlNiCo hlau nplaumtau siv dav hauv kev lag luam thiab cov neeg siv khoom lag luam dhau 80 xyoo dhau los vim lawv cov kev ua haujlwm siab, kev ruaj ntseg zoo heev thiab kev tiv thaiv corrosion. Txawm hais tias cov hlau nplaum tshiab xws li neodymium hlau boron (NdFeB) thiab ferrites tau nyob feem ntau ntawm kev ua lag luam nyob rau xyoo tas los no, AlNiCo tseem tsis tuaj yeem hloov pauv hauv qee qhov xwm txheej. Cov kev ntsuam xyuas hauv qab no nthuav tawm ob qhov loj me los ntawm kev siv lub neej niaj hnub thiab cov thev naus laus zis tshiab:

1. Kev siv cov hlau nplaum AlNiCo hauv lub neej txhua hnub

 

Cov khoom siv hluav taws xob thiab cov cuab yeej siv niaj hnub

Electroacoustic khoom: AlNiCo (tshwj xeeb tshaj yog anisotropic AlNiCo 5) feem ntau yog siv rau hauv cov neeg hais lus qub, xov tooj ntawm tes thiab microphones vim tias nws cov kab sib nqus permeability tuaj yeem muab cov suab nrov zoo dua qub, thiab qee qhov siab - cov khoom siv suab kawg tseem khaws nws txoj kev siv.

Meters thiab sensors: Lub tshuab sib nqus sib txuas ntawm cov ntsuas hluav taws xob hauv tsev thiab cov ntsuas dej tso siab rau kev ruaj ntseg ntawm AlNiCo kom tsis txhob ntsuas qhov yuam kev los ntawm qhov kub thiab txias.

Tsav teb: Me DC motors xws li automotive wiper motors thiab tshuab xaws tshuab tau dav siv AlNiCo vim nws tsis tshua muaj kev pheej hmoo ntawm demagnetization nyob rau hauv ib puag ncig kub.

Cov cuab yeej siv hauv tsev thiab kho kom zoo nkauj

Sib nqus qhov rooj catches thiab txee buckles: Cov khoom siv hlau nplaum hauv tsev thaum ntxov tau siv txhuas nickel cobalt, uas yog xeb- tiv taus thiab muaj lub neej ntev (tab sis tau hloov los ntawm ferrite hauv xyoo tas los).

Compass thiab cov cuab yeej kev kawm: Compass koob siv nyob rau hauv cov tub ntxhais kawm kev sim no feem ntau yog ua los ntawm txhuas nickel cobalt vim nws muaj zog tiv thaiv - muaj peev xwm cuam tshuam. Cov khoom siv kho mob thiab kev ruaj ntseg

Sib nqus resonance imaging (MRI) auxiliary Cheebtsam: Kev kho qhov sib nqus ntawm cov khoom siv MRI thaum ntxov tuaj yeem siv txhuas nickel cobalt vim nws qhov ruaj khov siab hauv cov hlau nplaum muaj zog.

Anti- tub sab nyiag system:Qee lub tsev qiv ntawv sib nqus stripe los tiv thaiv- cov cim tub sab siv aluminium nickel cobalt alloys, tab sis tau hloov los ntawm kev lag luam amorphous strips ntau dua.

 

 

II. Kev tsim kho technology tshiab thiab cov nyom rau kev siv ntawmAlNiCo hlau nplaum

(1) Hloov teb

High-cov motors ua tau zoo thiab lub zog tshiab:Cov khoom siv hluav taws xob siab sib nqus ntawm cov hlau nplaum neodymium (10 npaug ntawm AlNiCo hlau nplaum) ua rau nws thawj qhov kev xaiv rau lub tsheb fais fab tsav tsheb. Alnico tsuas yog tshwj tseg rau qee cov tub rog lossis aerospace huab cua kub ib puag ncig.

Cov khoom siv hluav taws xob: High coercivity cov ntaub ntawv yuav tsum tau rau miniaturization scenarios xws li xov tooj ntawm tes vibration motors thiab hard disk drive hau. Al-Ni-Co yog maj mam thim vim nws tsis tshua muaj coercivity (yooj yim demagnetize).

 

(2) Irreplaceable teb

High kub thiab siab stability yuav tsum:

Aerospace thiab roj kev tshawb nrhiav:Cov sensors ntawm crustal drilling instruments yuav tsum ua hauj lwm siab tshaj 200 degree. Qhov sib nqus flux kub coefficient ntawm Al-Ni-Co (xws li AlNiCo 8H) zoo dua li ntawm NdFeB .

Nuclear kev lag luam:Cov khoom sib nqus ntawm Al-Ni-Co yog yuav luag tsis muaj kev cuam tshuam los ntawm hluav taws xob, thaum NdFeB yuav raug degraded los ntawm neutron irradiation.

Precision instruments thiab retro lag luam:

Magnetoelectric instruments: Cov txheej txheem sib nqus ntawm high- precision ammeters thiab voltmeters tseem tso siab rau cov kab demagnetization nkhaus ntawm Al-Ni-Co, thiab cov thev naus laus zis digital tsis tuaj yeem hloov pauv tau.

Renaissance ntawm high -kawg suab: Qee cov audiophiles nrhiav "analog sound" thiab txhawb nqa cov ntawv thov retro ntawm Al-NiCo hlau nplaum nyob rau hauv siab- cov neeg hais lus kawg.

 

(3) Cov cib fim tshiab coj los ntawm kev siv thev naus laus zis

3D luam ntawv thiab topology optimization:

Cov cuab yeej tsim khoom siv ntxiv tuaj yeem siv los npaj cov txheej txheem- zoo li txhuas-nickel- cov hlau nplaum cobalt (tseem niaj hnub casting yog qhov ua rau tawg). Piv txwv li, 3D- luam tawm AlNiCo turbine sensor tsim los ntawm GE hauv Tebchaws Meskas tau nce kev siv hluav taws xob sib nqus los ntawm 30%.

Composite hlau nplaum tsim:

TDK ntawm Nyiv ua ke AlNiCo nrog SmCo, thiab siv lub siab remanence ntawm txhuas-nickel-cobalt thiab lub siab coercivity ntawm SmCo ua ib tug siab - kub resistant thiab demagnetization- hybrid hlau nplaum rau hybrid kis tau tus mob.

Magnetic tub yees technology:

Al-nickel-cobalt tau pom muaj peev xwm nyob hauv chav- cov khoom siv cua sov sib nqus. Nws cov yam ntxwv qis thermal hysteresis poob yog lub zog ntau dua - ua haujlwm tau zoo dua li cov alloys gadolinium. EU MAGNETOCOOL qhov project tau ua cov qauv kev sim.

 

III. Kev cia siab yav tom ntej

Txawm hais tias kev lag luam sib koom ntawm aluminium-nickel-cobalt tau poob qis dua 5% (2023 cov ntaub ntawv), nws yuav rov qab los rau hauv cov lus qhia hauv qab no:

Extreme ib puag ncig daim ntawv thov:Cov kev cai nruj rau cov khoom siv ruaj khov nyob rau hauv cov xwm txheej xws li qhov chaw sib sib zog nqus sojntsuam thiab chaw siv hluav taws xob geothermal.

Sib nqus{0}}cov khoom siv sib txuas:Tsim tshiab magnetostrictive sensors siv nws cov yam ntxwv coercivity tsawg.

Kev tiv thaiv kab lis kev cai:Thaum kho cov cuab yeej qub, cov khoom qub yuav tsum tau muab sib xyaw ua ke, tsim cov khoom lag luam niche.

Hauv luv luv, qhov "tawm" ntawm AlNiCo tsis yog qhov kawg, tab sis hloov mus rau tus nqi siab - ntxiv cov teb.

Tus yuam sij rau nws cov thev naus laus zis leap yog: kev ua kom zoo dua los ntawm kev sib txuas nrog lwm cov ntaub ntawv, thiab tshawb nrhiav nws qhov kev hloov pauv tsis zoo nyob rau hauv huab cua.