Cov hlau nplaum neodymium yog cov hlau nplaum zoo tshaj plaws uas tsis rov qab tau uas muag hauv khw, txhua qhov chaw hauv ntiaj teb. Nws tiv taus demagnetisation thaum piv rau ferrite, alnico thiab txawm tias samarium-cobalt hlau nplaum.
✧ Neodymium hlau nplaum VS cov hlau nplaum ferrite ib txwm muaj
Cov hlau nplaum ferrite yog cov hlau nplaum uas tsis yog hlau uas ua los ntawm triiron tetroxide (qhov sib piv ntawm cov hlau oxide rau ferrous oxide). Qhov tsis zoo ntawm cov hlau nplaum no yog tias lawv tsis tuaj yeem ua tau raws li qhov xav tau.
Cov hlau nplaum neodymium tsis yog tsuas muaj lub zog sib nqus zoo heev xwb, tab sis kuj muaj cov khoom siv kho tshuab zoo vim yog kev sib xyaw ntawm cov hlau, thiab tuaj yeem ua tiav tau yooj yim rau ntau yam duab kom haum rau ntau yam kev xav tau sib txawv. Qhov tsis zoo yog tias cov hlau monomers hauv cov hlau nplaum neodymium yooj yim xeb thiab lwj, yog li qhov chaw kuj feem ntau plated nrog nickel, chromium, zinc, tin, thiab lwm yam kom tiv thaiv xeb.
✧ Cov khoom sib xyaw ntawm neodymium magnet
Cov hlau nplaum neodymium yog ua los ntawm neodymium, hlau thiab boron sib xyaw ua ke, feem ntau sau ua Nd2Fe14B. Vim yog qhov sib xyaw ua ke thiab muaj peev xwm tsim cov siv lead ua tetragonal, cov hlau nplaum neodymium tuaj yeem suav tias yog los ntawm qhov pom ntawm tshuaj lom neeg. Xyoo 1982, Makoto Sagawa ntawm Sumitomo Special Metals tau tsim cov hlau nplaum neodymium thawj zaug. Txij thaum ntawd los, Nd-Fe-B hlau nplaum tau maj mam tshem tawm ntawm cov hlau nplaum ferrite.
✧ Cov hlau nplaum neodymium ua li cas?
KAUJ RUAM 1- Ua ntej tshaj plaws, txhua yam khoom siv los ua qhov zoo ntawm cov hlau nplaum raug muab tso rau hauv lub tshuab nqus tsev induction, cua sov thiab yaj kom tsim cov khoom sib xyaw. Cov khoom sib xyaw no tom qab ntawd txias kom tsim cov ingots ua ntej raug zom ua cov noob me me hauv lub tshuab cua.
KAUJ RUAM 2- Cov hmoov zoo heev ces raug nias rau hauv pwm thiab tib lub sijhawm lub zog sib nqus tau siv rau pwm. Kev sib nqus los ntawm ib lub kauj ntawm cov xov hlau uas ua haujlwm ua lub hlau nplaum thaum lub zog hluav taws xob hla dhau nws. Thaum lub cev ntawm cov hlau nplaum phim cov lus qhia ntawm kev sib nqus, qhov no hu ua hlau nplaum anisotropic.
KAUJ RUAM 3- Qhov no tsis yog qhov kawg ntawm cov txheej txheem, es tsis txhob, lub sijhawm no cov khoom siv magnetized raug demagnetized thiab yuav raug magnetised tom qab thaum ua li ntawd. Cov kauj ruam tom ntej yog rau cov khoom siv kom sov, yuav luag txog thaum yaj hauv cov txheej txheem hu ua Cov kauj ruam tom ntej yog rau cov khoom kom sov, yuav luag txog thaum yaj hauv cov txheej txheem hu ua sintering uas ua rau cov hmoov hlau nplaum sib xyaw ua ke. Cov txheej txheem no tshwm sim hauv qhov chaw tsis muaj oxygen, inert.
KAUJ RUAM 4- Yuav luag nyob ntawd, cov khoom siv uas tau cua sov yuav txias sai sai siv txoj kev hu ua quenching. Cov txheej txheem txias sai no txo cov cheeb tsam uas tsis muaj hlau nplaum thiab ua rau kev ua haujlwm zoo dua.
KAUJ RUAM 5- Vim tias cov hlau nplaum neodymium nyuaj heev, ua rau lawv yooj yim puas tsuaj thiab puas tsuaj, lawv yuav tsum tau coated, ntxuav, ziab, thiab plated. Muaj ntau hom kev ua tiav uas siv nrog cov hlau nplaum neodymium, ib qho ntawm cov feem ntau yog nickel-tooj liab-nickel sib xyaw tab sis lawv tuaj yeem coated hauv lwm cov hlau thiab roj hmab lossis PTFE.
Kauj Ruam 6- Thaum twg plated lawm, cov khoom tiav lawm yuav raug rov magnetized los ntawm kev muab tso rau hauv ib lub kauj, uas, thaum hluav taws xob raug ncig los ntawm nws tsim ib lub teb magnetic muaj zog peb zaug ntau dua li qhov tsim nyog ntawm lub magnet. Qhov no yog ib qho txheej txheem zoo heev uas yog tias lub magnet tsis khaws cia rau hauv qhov chaw nws tuaj yeem raug pov tawm ntawm lub kauj - zoo li lub mos txwv.
AH MAGNET yog lub chaw tsim khoom uas tau lees paub los ntawm IATF16949, ISO9001, ISO14001 thiab ISO45001 ntawm txhua yam khoom siv hlau nplaum neodymium thiab cov khoom sib dhos sib nqus nrog ntau tshaj 30 xyoo ntawm kev paub hauv daim teb no. Yog tias koj xav tau cov hlau nplaum neodymium, thov koj xav tiv tauj peb!
Lub sijhawm tshaj tawm: Kaum Ib Hlis-02-2022