Neodymium hlau nplaum yog ib yam khoom siv hlau nplaum ruaj khov, uas yog tsim los ntawm neodymium, hlau, boron thiab lwm yam. Nws muaj cov hlau nplaum muaj zog heev thiab tam sim no yog ib qho ntawm cov khoom siv hlau nplaum uas muaj zog tshaj plaws uas siv los ua lag luam. Neodymium hlau nplaum muaj lub zog sib nqus zoo heev thiab cov khoom sib nqus zoo heev thiab cov khoom siv hluav taws xob sib nqus. Yog li ntawd, nws yog dav siv nyob rau hauv ntau lub teb, xws li hluav taws xob technology, hluav taws xob motors, sensors, hlau nplaum, thiab lwm yam.Cov hlau nplaum ntawm Neodymium hlau nplaum los ntawm nws cov qauv lattice thiab atomic alignment. Lub lattice qauv ntawm Neodymium hlau nplaum yog heev txiav txim thiab belongs rau Tetragonal siv lead ua system. Atoms tau teem caij tsis tu ncua hauv cov lattice, thiab lawv lub sijhawm sib nqus nyob twj ywm, nrog kev sib cuam tshuam ntawm lawv. Qhov kev txiav txim thiab kev sib cuam tshuam no ua rau Neodymium hlau nplaum muaj zog sib nqus.Cov hlau nplaum ntawm Neodymium hlau nplaum tuaj yeem hloov kho thiab txhim kho los ntawm cov txheej txheem sib txawv thiab kev ua haujlwm. Piv txwv li,Tuam Tshoj neodymium hlau nplaumtuaj yeem ua cov hlau nplaum nrog cov duab nyuaj los ntawm cov txheej txheem hmoov metallurgy. Tsis tas li ntawd, kev ntsuas xws li kev kho cua sov, kev kho cov hlau nplaum, thiab cov txheej txheem kuj tuaj yeem coj los ua kom nws cov khoom sib nqus thiab ruaj khov.Txawm li cas los xij, nws yuav tsum raug sau tseg tias cov khoom sib nqus ntawm Neodymium hlau nplaum yuav raug txo qis ntawm qhov kub thiab txias. Qhov ntsuas kub tseem ceeb ntawm Neodymium hlau nplaum yog feem ntau ntawm 200-300 ℃. Thaum qhov kub ntau dhau lawm, cov hlau nplaum thiab cov hlau nplaum sib nqus ntawm Neodymium hlau nplaum yuav maj mam tsis muaj zog, lossis tseem poob nws cov hlau nplaum. Yog li ntawd, hauv kev siv tswv yim, nws yog ib qho tsim nyog los xaiv qhov tsim nyog ua haujlwm kub raws li qhov tseem ceeb sib nqus ntawm cov khoom siv hlau nplaum Neodymium.

Ⅰ.Cov khoom sib nqus ntawm Neodymium hlau nplaum thiab lub hauv paus ntsiab lus ntawm kev hloov kub

A. Basic magnetic zog ntawm Neodymium hlau nplaum: Neodymium hlau nplaum yog ib yam ntawm lub ntiaj teb tsis tshua muaj cov khoom siv hlau nplaum ruaj khov nrog cov khoom sib nqus muaj zog heev. Nws muaj cov yam ntxwv ntawm cov khoom siv hluav taws xob sib nqus, siab remanence thiab siab Coercivity. Lub zog hlau nplaum ntawm Neodymium hlau nplaum feem ntau yog siab dua li ntawm ferrite thiab aluminium nickel cobalt hlau nplaum. Qhov no ua rau Neodymium hlau nplaum siv dav hauv ntau daim ntawv thov, xws li motors, sensors thiab hlau nplaum.

B. Kev sib raug zoo ntawm atomic alignment thiab magnetic moment:Cov hlau nplaum ntawm Neodymium hlau nplaum yog pom tau los ntawm kev sib cuam tshuam ntawm atomic magnetic moment. Lub sijhawm atomic magnetic yog tsim los ntawm cov kiv cua ntawm electrons thiab lub orbital magnetic moment. Thaum cov atoms tau teem rau hauv lub lattice, lawv lub sij hawm sib nqus sib nqus ua rau lub cim ntawm cov hlau nplaum. Nyob rau hauv lub Neodymium hlau nplaum, lub sij hawm sib nqus ntawm lub atom feem ntau yog los ntawm xya unpaired neodymium ions, uas nws spins nyob rau hauv tib txoj kev raws li lub orbital magnetic lub sij hawm. Nyob rau hauv no txoj kev, ib tug muaj zog magnetic teb yog generated, ua rau muaj zog hlau nplaum ntawm Neodymium hlau nplaum.

C. Qhov cuam tshuam ntawm qhov kub thiab txias hloov ntawm atomic alignment: Kev npaj thiab kev sib cuam tshuam ntawm atoms hauv lub lattice yog txiav txim siab los ntawm qhov kub thiab txias. Nrog rau qhov nce ntawm qhov kub thiab txias, Thermal motion ntawm atoms nce, thiab kev sib cuam tshuam ntawm atoms kuj tsis muaj zog, uas ua rau lub instability ntawm lub orderly txheej txheem ntawm atoms. Qhov no yuav cuam tshuam rau atomic alignment ntawm Neodymium hlau nplaum, yog li cuam tshuam rau nws cov khoom sib nqus. Thaum kub siab, Thermal motion ntawm atoms yog khaus, thiab kev cuam tshuam ntawm atoms tsis muaj zog, ua rau lub zog ntawm magnetization thiab magnetic zog ntawm Neodymium hlau nplaum.

D. Qhov ntsuas kub tseem ceeb ntawm Neodymium hlau nplaum:Qhov ntsuas kub tseem ceeb ntawm Neodymium hlau nplaum yog hais txog qhov kub ntawm qhov uas Neodymium hlau nplaum poob nws cov hlau nplaum ntawm qhov kub siab. Feem ntau hais lus, qhov ntsuas kub tseem ceeb ntawm Neodymium hlau nplaum yog li 200-300 ℃. Thaum qhov kub siab tshaj qhov ntsuas kub tseem ceeb, qhov atomic alignment ntawm Neodymium hlau nplaum raug rhuav tshem, thiab cov kev taw qhia lub sijhawm sib nqus tau muab faib ua ntu zus, ua rau lub zog tsis muaj zog lossis txawm tias tag nrho cov hlau nplaum thiab cov hlau nplaum sib nqus. Yog li ntawd, hauv daim ntawv thov, kev saib xyuas yuav tsum tau them rau kev tswj xyuas qhov kub thiab txias ntawm Neodymium hlau nplaum kom tswj nws cov khoom sib nqus ruaj khov.

Ⅱ.Influence kub ntawm cov hlau nplaum ntawm Neodymium hlau nplaum

A. Kev cuam tshuam ntawm qhov kub thiab txias ntawm qhov sib nqus ntawm Neodymium hlau nplaum:Kev hloov pauv kub yuav cuam tshuam rau kev sib nqus ntawm Neodymium hlau nplaum. Feem ntau hais lus, nrog rau qhov nce ntawm qhov kub thiab txias, qhov sib nqus ntawm Neodymium hlau nplaum yuav txo qis thiab qhov nkhaus magnetization yuav tiaj tus. Qhov no yog vim qhov kub siab yuav ua rau cov hlau nplaum sib nqus hauv Neodymium hlau nplaum ua tsis zoo, ua rau txo qis hauv cov hlau nplaum ntawm cov hlau nplaum.me me neodymium disc hlau nplaum.

B. Kev cuam tshuam ntawm qhov kub thiab txias ntawm Coercivity ntawm Neodymium hlau nplaum: Coercivity yog hais txog tias lub zog sib nqus siv lub zog nce mus txog qhov tseem ceeb ntawm kev ua kom tiav cov hlau nplaum ntawm cov hlau nplaum thaum lub sij hawm magnetization. Qhov kev hloov ntawm qhov kub thiab txias yuav cuam tshuam rau Coercivity ntawm Neodymium hlau nplaum. Feem ntau, ntawm qhov kub thiab txias, Coercivity ntawm Neodymium hlau nplaum yuav txo qis, thaum nyob rau hauv qis kub, lub Coercivity yuav nce. Qhov no yog vim qhov kub thiab txias tuaj yeem ua rau cov thermal excitation ntawm magnetic domains, yuav tsum tau ib tug me me magnetic teb rau magnetize tag nrho cov hlau nplaum.

C. Kev cuam tshuam ntawm qhov kub thiab txias hloov ntawm lub sijhawm damping thiab remanence ntawm Neodymium hlau nplaum: lub sij hawm damping yog hais txog qib ntawm attenuation ntawm lub sij hawm sib nqus thaum lub sij hawm magnetization ntawm hlau nplaum, thiab remanence yog hais txog qib ntawm magnetization uas Neodymium hlau nplaum tseem muaj nyob rau hauv cov nyhuv ntawm demagnetization. Qhov kev hloov ntawm qhov kub yuav cuam tshuam rau lub sijhawm damping thiab remanence ntawm Neodymium hlau nplaum. Feem ntau hais lus, qhov kub thiab txias yuav ua rau muaj kev nce ntxiv hauv lub sijhawm damping ntawm neodymium hlau nplaum, ua rau cov txheej txheem magnetization sai dua. Nyob rau tib lub sijhawm, qhov nce ntawm qhov kub thiab txias yuav txo qhov remanence ntawm Neodymium hlau nplaum, ua rau nws yooj yim dua kom plam magnetization nyob rau hauv qhov kev txiav txim ntawm demagnetization.

Ⅲ.Daim ntawv thov thiab tswj ntawm Neodymium hlau nplaum sib nqus poob

A. Kev txwv kub rau kev siv Neodymium hlau nplaum: Cov khoom sib nqus ntawm Neodymium hlau nplaum yuav raug cuam tshuam los ntawm qhov kub thiab txias, yog li nws yog ib qho tsim nyog los txwv kev ua haujlwm kub ntawm Neodymium hlau nplaum hauv kev siv tswv yim. Feem ntau hais lus, kev ua haujlwm kub ntawm Neodymium hlau nplaum yuav tsum qis dua nws qhov ntsuas kub tseem ceeb kom ntseeg tau tias kev ruaj ntseg ntawm kev sib nqus. Qhov tshwj xeeb kev ua haujlwm kub txwv yuav txawv raws li cov ntawv thov sib txawv thiab cov ntaub ntawv tshwj xeeb. Nws feem ntau pom zoo kom siv Neodymium hlau nplaum hauv qab 100-150 ℃.

B. Kev txiav txim siab ntawm qhov kub ntawm qhov sib nqus quab yuam hauv cov hlau nplaum tsim: Thaum tsim cov hlau nplaum, qhov cuam tshuam ntawm qhov kub thiab txias ntawm cov hlau nplaum yog qhov tseem ceeb uas yuav tsum tau xav txog. Qhov kub thiab txias yuav txo qhov sib nqus quab yuam ntawm Neodymium hlau nplaum, yog li nws yog ib qho tsim nyog yuav tsum xav txog qhov ua haujlwm kub ntawm cov txheej txheem tsim. Ib txoj hauv kev yog xaiv cov khoom siv hlau nplaum nrog qhov ntsuas kub zoo, lossis siv cov ntsuas cua txias kom txo tau qhov kub ntawm cov hlau nplaum ua haujlwm kom ntseeg tau tias nws tuaj yeem tswj tau lub zog sib nqus txaus hauv qhov kub thiab txias.

C. Cov txheej txheem los txhim kho qhov kub thiab txias ntawm Neodymium hlau nplaum: Txhawm rau txhim kho qhov kub thiab txias ntawm Neodymium hlau nplaum ntawm qhov kub thiab txias, cov txheej txheem hauv qab no tuaj yeem siv tau: Ntxiv cov ntsiab lus alloy: ntxiv cov ntsiab lus hlau xws li txhuas thiab npib tsib xee rau Neodymium hlau nplaum tuaj yeem txhim kho nws qhov kub thiab txias. Nyob rau saum npoo ntawm Neodymium hlau nplaum, xws li electroplating lossis txheej txheej ntawm cov khoom siv tiv thaiv, tuaj yeem txhim kho nws qhov kub thiab txias.Magnet tsim optimization: los ntawm optimizing cov qauv thiab geometry ntawm cov hlau nplaum, qhov kub thiab txias poob ntawm Neodymium hlau nplaum ntawm Qhov kub thiab txias tuaj yeem txo qis, yog li txhim kho qhov kub thiab txias.Cov kev ntsuas: ntsuas cua txias kom zoo, xws li cov kua txias lossis kiv cua txias, tuaj yeem txo qhov kub thiab txias ua haujlwm ntawm Neodymium hlau nplaum thiab txhim kho nws qhov kub thiab txias. Kev ruaj ntseg ntawm cov hlau nplaum Neodymium tuaj yeem txhim kho los ntawm cov txheej txheem saum toj no, cov hlau nplaum ntawm Neodymium hlau nplaum yuav poob rau hauv qhov kub thiab txias ib puag ncig yog tias nws qhov ntsuas kub tseem ceeb tshaj. Yog li ntawd, nyob rau hauv high-temperature daim ntaub ntawv, lwm yam ntaub ntawv los yog kev ntsuas yuav tsum tau txiav txim siab raws li qhov kev thov.

Hauv kev xaus

Qhov kub thiab txias ntawm Neodymium hlau nplaum yog qhov tseem ceeb los tswj nws cov khoom sib nqus thiab siv cov teebmeem. Thaum tsim thiab xaiv Neodymium hlau nplaum, nws yog ib qho tsim nyog yuav tsum xav txog nws cov yam ntxwv magnetization nyob rau hauv ib qho kev kub thiab txias thiab siv cov kev ntsuas coj los ua kom nws qhov kev ua tau zoo. Qhov no tuaj yeem suav nrog kev xaiv cov khoom tsim nyog, siv cov ntim khoom lossis cov khoom siv hluav taws xob kom txo tau qhov kub thiab txias, thiab tswj cov xwm txheej ib puag ncig rau kev hloov pauv kub.Peb lub tuam txhab yog ib qhoTuam Tshoj neodymium disc hlau nplaum Hoobkas, (Tshwj xeeb tshaj yog rau kev tsim khoom ntawmhlau nplaum ntawm cov duab sib txawv, nws muaj nws tus kheej kev paub) yog tias koj xav tau cov khoom no, thov hu rau peb yam tsis muaj kev yig.