Neodymium hlau nplaum thiab Hematite hlau nplaum yog ob yam khoom siv hlau nplaum uas siv ntau, uas siv dav hauv lawv cov teb. Neodymium hlau nplaum yog cov hlau nplaum tsis tshua muaj, uas muaj neodymium, hlau, boron thiab lwm yam khoom. Nws muaj zog magnetism, Coercivity siab thiab corrosion tsis kam, thiab siv dav hauv lub cev muaj zog, generator, khoom siv acoustic thiab lwm yam teb. Hematite hlau nplaum yog ib hom ore hom khoom siv hlau nplaum, uas feem ntau yog ua los ntawm hematite uas muaj hlau ore. Nws muaj cov khoom sib nqus nruab nrab thiab tiv thaiv corrosion, thiab feem ntau yog siv rau hauv cov khoom siv hlau nplaum ib txwm muaj, cov khoom siv khaws cia cov ntaub ntawv thiab lwm yam teb.Hauv tsab xov xwm no, cov yam ntxwv thiab kev siv ntawm Neodymium magnet thiab Hematite magnet yuav raug tham txog tob, thiab lawv qhov sib txawv yuav raug piv.

Ⅰ. Cov yam ntxwv thiab daim ntawv thov ntawm Neodymium magnet:

A. Cov yam ntxwv ntawm Neodymium hlau nplaum:

Cov tshuaj lom neeg muaj pes tsawg leeg:Neodymium hlau nplaum muaj neodymium (Nd), hlau (Fe) thiab lwm yam ntsiab lus. Cov ntsiab lus ntawm neodymium feem ntau yog nruab nrab ntawm 24% thiab 34%, thaum cov ntsiab lus ntawm hlau suav rau feem ntau. Ntxiv rau neodymium thiab hlau, Neodymium hlau nplaum kuj tseem yuav muaj qee cov ntsiab lus, xws li boron (B) thiab lwm yam khoom tsis tshua muaj, los txhim kho nws cov khoom sib nqus.

Kev Sib Nqus:Cov hlau nplaum neodymium yog ib qho ntawm cov hlau nplaum lag luam muaj zog tshaj plaws uas paub tam sim no. Nws muaj kev sib nqus siab heev, uas tuaj yeem ncav cuag qib uas lwm cov hlau nplaum tsis tuaj yeem ua tiav. Qhov no muab nws cov khoom sib nqus zoo heev thiab tsim nyog heev rau cov ntawv thov uas xav tau kev sib nqus siab.

Kev yuam:Neodymium hlau nplaum muaj Coercivity siab, uas txhais tau tias nws muaj zog tiv taus magnetic teb thiab shear tsis kam. Hauv daim ntawv thov, Neodymium hlau nplaum tuaj yeem khaws nws lub xeev magnetization thiab tsis yooj yim cuam tshuam los ntawm sab nraud magnetic teb.

Kev tiv thaiv xeb:Qhov kev tiv thaiv corrosion ntawm Neodymium hlau nplaum feem ntau tsis zoo, yog li kev kho qhov chaw, xws li electroplating lossis kev kho cua sov, feem ntau yog qhov yuav tsum tau txhim kho nws qhov kev tiv thaiv corrosion. Qhov no tuaj yeem ua kom ntseeg tau tias Neodymium hlau nplaum tsis yooj yim rau corrosion thiab oxidation hauv kev siv.

B. Daim ntawv thov ntawm Neodymium hlau nplaum:

Lub cev muaj zog thiab lub tshuab hluav taws xob: Neodymium hlau nplaum yog siv dav hauv lub cev muaj zog thiab lub tshuab hluav taws xob vim nws qhov magnetization siab thiab Coercivity. Neodymium hlau nplaum tuaj yeem muab lub zog magnetic teb muaj zog, yog li cov cav thiab cov tshuab hluav taws xob muaj kev ua haujlwm zoo dua thiab kev ua tau zoo dua.

Cov khoom siv suab: Neodymium hlau nplaum kuj tseem siv rau hauv cov khoom siv suab, xws li lub tso suab thiab lub mloog pob ntseg. Nws lub zog sib nqus muaj zog tuaj yeem tsim cov suab tso zis siab dua thiab cov teebmeem suab zoo dua. Cov khoom siv kho mob: Neodymium hlau nplaum kuj tseem siv dav hauv cov khoom siv kho mob. Piv txwv li, hauv cov khoom siv magnetic resonance imaging (MRI), Neodymium hlau nplaum tuaj yeem tsim lub zog sib nqus ruaj khov thiab muab cov duab zoo.

Kev lag luam aerospace: Hauv kev lag luam aerospace, neodymium hlau nplaum yog siv los tsim cov kev taw qhia thiab kev tswj hwm ntawm cov dav hlau, xws li gyroscope thiab lub kauj tsheb. Nws cov magnetization siab thiab kev tiv thaiv corrosion ua rau nws yog qhov kev xaiv zoo tshaj plaws.

Xaus lus, vim nws cov tshuaj lom neeg tshwj xeeb thiab cov yam ntxwv zoo heev,Cov hlau nplaum neodymium tsis tshua muaj ntiaj tebua lub luag haujlwm tseem ceeb hauv ntau daim ntawv thov, tshwj xeeb tshaj yog hauv cov tshuab hluav taws xob, cov khoom siv acoustic, cov khoom siv kho mob thiab kev lag luam aerospace. Nws tseem ceeb heev kom ntseeg tau tias kev ua tau zoo thiab lub neej ntawmCov hlau nplaum zoo li Neodymium tshwj xeeb, tswj nws qhov kev hloov pauv kub thiab ua cov kev ntsuas tiv thaiv xeb kom tsim nyog.

Ⅱ. Yam ntxwv thiab Daim Ntawv Thov ntawm Hematite magnet:

A. Yam ntxwv ntawm Hematite hlau nplaum:

Cov tshuaj lom neeg muaj pes tsawg leeg:Hematite hlau nplaum feem ntau yog tsim los ntawm cov hlau ore, uas muaj hlau oxide thiab lwm yam impurities. Nws cov tshuaj lom neeg tseem ceeb yog Fe3O4, uas yog hlau oxide.

Kev Sib Nqus: Hlau nplaum Hematite muaj qhov sib nqus nruab nrab thiab yog cov khoom siv sib nqus tsis muaj zog. Thaum muaj lub zog sib nqus sab nraud, cov hlau nplaum Hematite yuav tsim cov hlau nplaum thiab tuaj yeem nyiam qee cov khoom siv sib nqus.

Kev yuam: Hlau nplaum Hematite muaj Coercivity qis, uas yog, nws xav tau lub zog sib nqus sab nraud me me los ua kom nws sib nqus. Qhov no ua rau cov hlau nplaum Hematite hloov pauv tau yooj yim thiab yooj yim rau kev khiav lag luam hauv qee daim ntawv thov.

Kev tiv thaiv xeb: Hlau nplaum Hematite ruaj khov heev nyob rau hauv qhov chaw qhuav, tab sis nws yooj yim rau xeb hauv qhov chaw ntub lossis noo noo. Yog li ntawd, hauv qee qhov kev siv, hlau nplaum Hematite xav tau kev kho saum npoo lossis txheej kom txhim kho lawv txoj kev tiv thaiv xeb.

B. Kev siv cov hlau nplaum Hematite

Cov ntaub ntawv sib nqus ib txwm muaj: Cov hlau nplaum Hematite feem ntau siv los ua cov khoom siv hlau nplaum ib txwm muaj, xws li cov hlau nplaum tub yees, cov ntawv nplaum hlau nplaum, thiab lwm yam. Vim nws qhov magnetism nruab nrab thiab Coercivity qis, Hematite hlau nplaum yooj yim rau adsorbed rau ntawm qhov chaw ntawm cov hlau lossis lwm yam khoom sib nqus, thiab tuaj yeem siv rau kev kho cov khoom, cov ntaub so ntswg thiab lwm yam kev siv.

Cov khoom siv khaws cov ntaub ntawv:Cov hlau nplaum Hematite kuj muaj qee yam kev siv hauv cov khoom siv khaws cov ntaub ntawv. Piv txwv li, hauv cov hard disk drives, Hematite hlau nplaum yog siv los ua cov txheej hlau nplaum ntawm qhov chaw disk rau khaws cov ntaub ntawv.

Cov khoom siv kho mob duab: Cov hlau nplaum Hematite kuj tseem siv dav hauv cov khoom siv kho mob, xws li cov tshuab magnetic resonance imaging (MRI). Cov hlau nplaum Hematite tuaj yeem siv ua lub tshuab hluav taws xob hauv MRI system los tsim thiab tswj cov hlau nplaum, yog li ua tiav cov duab ntawm tib neeg cov ntaub so ntswg.

Xaus lus: Hlau nplaum Hematite muaj qhov sib nqus nruab nrab, Coercivity qis thiab qee qhov kev tiv thaiv corrosion. Nws muaj kev siv dav hauv kev tsim cov khoom siv sib nqus ib txwm muaj, cov khoom siv khaws cia cov ntaub ntawv, thiab kev thaij duab kho mob. Txawm li cas los xij, vim muaj kev txwv ntawm nws qhov sib nqus thiab kev ua tau zoo, Hematite hlau nplaum tsis haum rau qee qhov kev siv uas xav tau qhov sib nqus siab dua thiab kev ua tau zoo.

Muaj qhov sib txawv pom tseeb ntawm Neodymium hlau nplaum thiab Hematite hlau nplaum hauv cov tshuaj lom neeg sib xyaw, cov khoom sib nqus thiab cov teb thov.Neodymium hlau nplaum yog tsim los ntawm neodymium thiab hlau, nrog lub zog magnetism thiab Coercivity siab. Nws yog dav siv hauv cov teb xws li cov khoom siv tsav hlau nplaum, hlau nplaum, cov hlau nplaum sib nqus, thiab cov cav ua haujlwm siab. Vim tias Neodymium hlau nplaum tuaj yeem tsim lub zog magnetic muaj zog, nws tuaj yeem hloov pauv lub zog hluav taws xob thiab lub zog, muab lub zog magnetic zoo, thiab txhim kho lub zog thiab kev ua haujlwm ntawm lub cev muaj zog.Hematite hlau nplaum feem ntau yog tsim los ntawm cov hlau ore, thiab cov khoom tseem ceeb yog Fe3O4. Nws muaj qhov sib nqus nruab nrab thiab Coercivity qis. Hematite hlau nplaum yog siv dav hauv kev tsim cov khoom siv sib nqus ib txwm muaj thiab qee cov khoom siv kho mob. Txawm li cas los xij, qhov kev tiv thaiv corrosion ntawm Hematite hlau nplaum yog qhov tsis zoo, thiab kev kho qhov chaw lossis txheej txheem yog qhov yuav tsum tau ua kom lawv txoj kev tiv thaiv corrosion zoo dua.

Hauv kev xaus lus, muaj qhov sib txawv ntawm Neodymium hlau nplaum thiab Hematite hlau nplaum hauv cov tshuaj lom neeg sib xyaw, cov khoom sib nqus thiab cov teb thov. Neodymium hlau nplaum siv tau rau cov teb uas xav tau lub zog sib nqus thiab Coercivity siab, thaum Hematite hlau nplaum siv tau rau kev tsim cov khoom siv sib nqus ib txwm muaj thiab qee cov khoom siv kho mob. Yog tias koj xav tau yuavcov hlau nplaum neodymium khob countersunk, thov hu rau peb ASAP. Peb lub Hoobkas muaj ntau yamcov hlau nplaum neodymium countersunk rau kev muag khoom.