Dab tsi yog qhov txawv ntawm cov hlau nplaum ceramic thiab neodymium

Taw qhia

Hauv kev lag luam niaj hnub no, hlau nplaum yog cov khoom siv tsis tau.Ntawm lawv, cov hlau nplaum ceramic thiab neodymium hlau nplaum yog ob yam khoom siv hlau nplaum.Kab lus no yog tsom los sib piv thiab sib txawv cov yam ntxwv thiab kev siv cov hlau nplaum ceramic thiab neodymium hlau nplaum.Ua ntej, peb yuav qhia cov yam ntxwv, kev npaj, thiab kev siv cov hlau nplaum ceramic hauv cov teb xws li cov khoom siv hluav taws xob thiab cov khoom siv acoustic.Tom qab ntawd, peb yuav tham txog cov yam ntxwv ntawm cov hlau nplaum neodymium, kev npaj, thiab lawv cov kev siv hauv kev lag luam xws li cov khoom siv hluav taws xob tshiab thiab cov khoom siv kho mob.Thaum kawg, peb yuav xaus qhov sib txawv thiab qhov zoo ntawm cov hlau nplaum ceramic thiab neodymium hlau nplaum, hais txog lawv qhov tseem ceeb hauv ntau qhov chaw.Los ntawm kev piav qhia ntawm kab lus no, peb yuav nkag siab zoo dua thiab siv ob hom khoom siv hlau nplaum no.

A. Qhov tseem ceeb ntawm cov hlau nplaum neodymium hauv kev lag luam niaj hnub no: Neodymium hlau nplaum yog cov hlau nplaum muaj zog nrog ntau yam kev siv, xws li cov khoom siv hluav taws xob, kev lag luam tsheb, khoom siv kho mob, thiab lwm yam.

B. Qhia lub ntsiab lus ntawm tsab xov xwm no: Qhov txawv ntawm Ceramic Magnets thiab Neodymium Magnets: Qhia cov ntsiab lus uas yuav tau tham, uas yog qhov sib txawv thiab qhov txawv ntawm Ceramic Magnets thiab Neodymium Magnets.

1.1 Cov yam ntxwv thiab kev siv ntawm cov hlau nplaum ceramic

A. Kev npaj thiab muaj pes tsawg leeg ntawm cov hlau nplaum ceramic: Cov hlau nplaum ceramic feem ntau yog ua los ntawm cov khoom siv ceramic xws li ferrite lossis hlau barium silicate.

B. Cov khoom sib nqus ntawm cov hlau nplaum ceramic thiab lawv daim ntawv thov teb

1. Sib nqus quab yuam thiab coercive quab yuam ntawm cov hlau nplaum ceramic: Cov hlau nplaum ceramic feem ntau muaj qhov sib nqus tsis tshua muaj zog thiab siab coercive quab yuam, uas tuaj yeem tswj tau lawv cov hlau nplaum ntawm qhov kub thiab txias thiab ib puag ncig hnyav.

2. Kev siv cov hlau nplaum ceramic hauv cov khoom siv hluav taws xob: Cov hlau nplaum ceramic yog dav siv hauv cov khoom siv hluav taws xob, xws li motors, sensors, speaker, etc.

3. Kev siv cov hlau nplaum ceramic hauv cov khoom siv acoustic: cov hlau nplaum ceramic kuj siv rau hauv cov khoom siv acoustic, xws li pob ntseg, hais lus, thiab lwm yam.

1.2 Cov yam ntxwv thiab kev siv cov hlau nplaum neodymium

A. Kev npaj thiab muaj pes tsawg leeg ntawm cov hlau nplaum neodymium hauv cov duab sib txawv:Lub tog raj kheej, CountersunkthiabNtiv nplhaib Neodymium MagnetsNeodymium hlau nplaum feem ntau yog tsim los ntawm cov hlau xws li lanthanide neodymium thiab hlau.

B. Cov khoom sib nqus ntawm cov hlau nplaum neodymium thiab lawv daim ntawv thov teb

1. Sib nqus quab yuam thiab coercive quab yuam ntawm neodymium hlau nplaum: Neodymium hlau nplaum tam sim no yog ib qho ntawm cov hlau nplaum uas muaj zog tshaj plaws, muaj zog sib nqus heev thiab muaj zog coercive.

2. Kev siv cov hlau nplaum neodymium hauv cov khoom siv hluav taws xob tshiab: Vim nws lub zog sib nqus, cov hlau nplaum neodymium tau siv dav hauv cov khoom siv hluav taws xob tshiab xws li cov tshuab hluav taws xob, cua turbines, thiab hluav taws xob tsheb.

3. Kev siv cov hlau nplaum neodymium hauv cov khoom siv kho mob: Neodymium hlau nplaum kuj muaj cov ntawv thov tseem ceeb hauv kev kho mob, xws li cov hlau nplaum hauv cov khoom siv magnetic resonance imaging (MRI).(Nyem qhov no rau cov lus qhia ntsuas hlau nplaum)

2.1 Qhov sib txawv ntawm cov hlau nplaum ceramic thiab neodymium hlau nplaum

A. Qhov sib txawv ntawm cov khoom muaj pes tsawg leeg

1. Cov ntsiab lus tseem ceeb ntawm cov hlau nplaum ceramic: Cov hlau nplaum ceramic feem ntau yog tsim los ntawm ferrite, hlau barium silicate thiab lwm yam khoom siv ceramic.

2. Cov khoom tseem ceeb ntawm cov hlau nplaum neodymium: Neodymium hlau nplaum feem ntau yog tsim los ntawm cov hlau xws li neodymium thiab hlau.

B. Qhov sib txawv ntawm cov khoom sib nqus

1. Kev sib piv ntawm cov hlau nplaum sib nqus thiab lub zog quab yuam ntawm cov hlau nplaum ceramic: Piv nrog cov hlau nplaum neodymium, cov hlau nplaum ceramic muaj qhov sib nqus tsis tshua muaj zog, tab sis lawv tseem tuaj yeem tswj cov hlau nplaum ruaj khov nyob rau hauv qhov kub thiab txias ib puag ncig.

2. Kev sib piv ntawm lub zog sib nqus thiab lub zog quab yuam ntawm cov hlau nplaum neodymium: Cov hlau nplaum neodymium muaj qhov sib nqus siab heev thiab muaj zog quab yuam, thiab tam sim no yog ib qho ntawm cov khoom siv hlau nplaum uas muaj zog tshaj plaws.

C. Qhov txawv ntawm daim ntawv thov teb

1. Cov ntawv thov tseem ceeb ntawm cov hlau nplaum ceramic: Cov hlau nplaum ceramic feem ntau yog siv hauv cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob thiab lwm yam.

2. Cov ntawv thov tseem ceeb ntawm cov hlau nplaum neodymium: Neodymium hlau nplaum yog siv dav hauv cov khoom siv hluav taws xob tshiab thiab cov khoom siv kho mob thiab lwm yam.

In xaus

1.Ceramic hlau nplaum, tseem hu ua hard ferrite hlau nplaum, yog tsim los ntawm barium los yog strontium thiab tau tsim nyob rau hauv thaum ntxov 1960s raws li ib tug lwm txoj rau kim hlau nplaum hlau.Cov hlau nplaum no nyuaj heev, nkig, thiab muaj zog qis dua piv rau lwm cov khoom sib nqus.Txawm li cas los xij, cov hlau nplaum ceramic ferrite tau siv dav vim lawv cov kev tiv thaiv zoo heev rau demagnetization, corrosion resistance thiab superior nqi kom zoo dua.

Cov hlau nplaum ceramic khaws 45% ntawm lawv chav ntsuas kub sib nqus ntawm qhov kub txog li 350 degrees Fahrenheit.Lub degradation yog yuav luag linear nrog nce kub thiab qhov kev hloov hauv magnetization yog qhov tseem ceeb reversible mus txog 840 ° F, thaum lub sij hawm cov hlau nplaum ceramic yog kiag li demagnetized.Cov hlau nplaum ceramic raug kub txog li 1800 ° F tuaj yeem rov ua dua rau kev siv txuas ntxiv.Txawm li cas los xij, siab dua 1800 degrees Fahrenheit, cov kev hloov pauv tsis tuaj yeem hloov pauv.

2.Kev siv cov hlau nplaum ceramic

trumpet

DC brushless lub cev muaj zog

Sib nqus resonance imaging

Sib nqus sib cais

Sib nqus sib dhos tsim los nqa, tuav thiab rov qab

reed hloov

Tswb

hluav taws pov thawj qhov rooj

3. NdFeB hlau nplaum, tseem hu ua neodymium hlau nplaum los yog NdFeB hlau nplaum, yog tetragonal crystals tsim ntawm neodymium, hlau, thiab boron.Raws li kev tsim khoom sib txawv, NdFeB cov khoom siv hlau nplaum ruaj khov tuaj yeem muab faib ua sintered NdFeB, bonded NdFeB, kub nias NdFeB, thiab lwm yam NdFeB cov hlau nplaum ruaj khov muaj cov yam ntxwv ntawm kev ua haujlwm siab, me me, zoo corrosion kuj, thiab kev ua haujlwm ruaj khov.Nyob rau hauv xyoo tas los no, lawv tau siv dav hauv tsheb tshiab, hluav taws xob siv hluav taws xob, hluav taws xob sib nqus resonance imaging, cua zog tsim, aerospace thiab lwm yam.NdFeB cov khoom siv hlau nplaum ruaj khov yog cov khoom siv hlau nplaum tsis tshua muaj ntiaj teb thib peb nrog kev txhim kho sai tshaj plaws, daim ntawv thov dav tshaj plaws, tus nqi siab tshaj plaws thiab kev ua haujlwm zoo tshaj plaws.

4.NdFeB hlau nplaum yog cov khoom siv hlau nplaum muaj zog nrog cov khoom siv hluav taws xob sib nqus, siab coercive, siab ruaj khov thiab lwm yam.Yog li ntawd, nws muaj ntau yam kev thov teb hauv kev lag luam niaj hnub no.

Ua ntej tshaj plaws, NdFeB hlau nplaum yog siv dav hauv ntau yam khoom siv hluav taws xob xws li motors, generators thiab sensors.Piv txwv li, nws tuaj yeem siv rau hauv lub cev muaj zog ntawm lub tsheb hluav taws xob, vim tias NdFeB hlau nplaum tuaj yeem muab cov hlau nplaum muaj zog, yog li kev txhim kho kev ua haujlwm thiab kev ua haujlwm ntawm lub tsheb fais fab.

Qhov thib ob, NdFeB hlau nplaum kuj tau siv dav hauv cov khoom siv hluav taws xob xws li khoos phis tawj hard drives, DVD players thiab stereos.Disk drives xav tau lub taub hau los nyeem cov ntaub ntawv, thiab lub taub hau xav tau cov ntaub ntawv sib nqus los siv, yog li NdFeB hlau nplaum tuaj yeem siv rau hauv disk drives.Tsis tas li ntawd, NdFeB hlau nplaum kuj tseem siv tau rau hauv cov neeg hais lus hauv suab, uas tuaj yeem ua rau lub zog tso zis ntau ntxiv thiab cov neeg hais lus zoo.

Tsis tas li ntawd, NdFeB hlau nplaum kuj tuaj yeem siv rau hauv cov khoom siv kho mob thiab cov khoom sib nqus sib nqus thiab lwm yam.Piv txwv li, hauv kev kho mob, nws tuaj yeem siv rau hauv cov khoom siv sib nqus resonance imaging (MRI), vim neodymium hlau boron hlau nplaum tuaj yeem muab cov hlau nplaum txaus los kuaj cov ntaub so ntswg thiab cov kabmob hauv tib neeg lub cev.Hauv cov khoom siv sib nqus sib nqus, NdFeB hlau nplaum tuaj yeem siv rau hauv cov hlau nplaum sib nqus los pab cais ntau yam khoom.

Nyob rau hauv luv luv, NdFeB hlau nplaum tau dhau los ua ib qho ntawm cov khoom siv tseem ceeb hauv kev lag luam niaj hnub vim tias lawv cov khoom sib nqus zoo heev.Nws yog dav siv hauv cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, khoom siv kho mob, thiab cov khoom sib nqus sib nqus, ua kom yooj yim rau peb lub neej thiab kev ua haujlwm.