Cov ntaub ntawv no hu ua ferromagnetic, tom qab lo lus Latin rau hlau, ferrum. … Cov hlau ua ib tug cov hlau nplaum ruaj khov nrog cov ncej sib dhosraws li qhia: nws tus ncej sab qab teb yog nyob ib sab ntawm tus ncej qaum teb ntawm tus thawj hlau nplaum, thiab nws cov ncej qaum teb yog nyob ib sab ntawm tus ncej sab qab teb ntawm tus ncej. original hlau nplaum.
Yuav ua li cas rau hlau ua kom nws ruaj khov?
Thaum ib daim hlau uas tsis yog hlau nplaum siv rau cov hlau nplaum, cov atoms hauv nws rov kho lawv tus kheej li uas tsim cov hlau nplaum ruaj khov. Raws li cov atoms ua kom zoo, lawv tsim ib qho chaw sib nqus uas tsis poob nws lub zog.
Hom hlau nyob ntev npaum li cas?
Koj cov hlau nplaum ruaj khov yuav tsum poob tsis pub tshaj 1% ntawm nws cov hlau nplaum lub zog dhau 100 xyoomuab nws teev thiab saib xyuas kom zoo.
Ntev npaum li cas tus hlau nplaum yuav nyob ruaj khov?
Lub hlau nplaum yuav nyob ntev npaum li cas? Sintered Nd-Fe-B hlau nplaum yuav nyob twj ywm magnetized indefinitely. Lawv muaj kev txo qis hauv flux ntom ntom thaum lub sijhawm. Ntev npaum li lawv lub cev tsis muaj zog, cov hlau nplaum neodymium yuav zoo li poob qis dua 1% ntawm lawv cov flux ceev tshaj 100 xyoo.
Ntev npaum li cas ib yam dab tsi nyob hauv magnetized?
Cov lus teb nyob ntawm cov hlau nplaum. Cov hlau nplaum ib ntus tuaj yeem poob nws cov hlau nplaum hauv tsawg dua 1 teev. Neodymium hlau nplaum poob qis dua 1% ntawm lawv lub zog tshaj 10 xyoo. Cov hlau nplaum tas mus li xws li sintered Nd-Fe-B cov hlau nplaum nyob twj ywm magnetized indefinitely.
