Rare Earth Permanent Magnets
NdFeB hlau nplaum yog ib tug tswv cuab ntawm lub ntiaj teb tsis tshua muaj hlau nplaum ruaj khov thiab yog cov hlau nplaum ruaj khov tshaj plaws hauv ntiaj teb. Vim nws yog tsim los ntawm peb cov ntaub ntawv, neodymium (Nd) hlau (Fe) thiab boron (B), nws yog hu ua neodymium hlau boron, tseem hu ua neodymium hlau nplaum lossis hlau nplaum hlau. NdFeB yog qhov thib peb tiam tsis tshua muaj ntiaj teb cov hlau nplaum ruaj khov, thiab nws cov khoom sib nqus zoo heev thiab tus nqi qis ua rau nws siv dav. Nws yog lub ntiaj teb tsis tshua muaj hlau nplaum ruaj khov nrog qib siab tshaj plaws ntawm kev lag luam tam sim no.
NdFeB qib
N35, N38, N42, N38SH... Qhov no txhais li cas? Neodymium hlau nplaum yog tsim los ntawm tag nrho cov ntaub ntawv lawv ua. Raws li txoj cai dav dav, qhov siab dua qib, cov hlau nplaum muaj zog dua. Cov qib siab tshaj neodymium hlau nplaum muaj N52. Ib qho ntawm cov kev ntsuas hauv qab no yog hais txog qhov ntsuas kub ntawm cov hlau nplaum. Yog tias tsis muaj qib qis hauv tsab ntawv, NdFeB hlau nplaum yog tus qauv ntsuas kub. Cov qib siab kub tus qauv --M---SH--UH--EH, hauv NdFeB kev ua tau zoo thiab lub cev tsis muaj zog, koj tuaj yeem pom ntau qib ntsuas kub.
