Iimagnethi zeNdFeB, ezaziwa ngokuba ziimagnethi zeNdFeB, ziikristale zetetragonal ezenziwe nge-neodymium, iron, kunye ne-boron (Nd2Fe14B). Iimagnethi zeNeodymium zezona magnethi zisisigxina zemagnethi ezikhoyo namhlanje kwaye zezona magnethi zomhlaba ezingaqhelekanga ezisetyenziswa kakhulu.
Ihlala ixesha elingakanani iipropati zemagnethi zeNdFeB magnets?
Iimagnethi zeNdFeB zinamandla aphezulu okunyanzela, kwaye akuyi kubakho tshintsho lwe-demagnetization kunye ne-magnetic phantsi kwendalo kunye neemeko zentsimi yemagnethi ngokubanzi. Ukuba imeko ilungile, iimagnethi aziyi kulahlekelwa kukusebenza okuninzi nasemva kokusetyenziswa ixesha elide. Ngoko ke, xa sisebenza ngokoqobo, sihlala singayinaki impembelelo yexesha kwi-magnetism.
Zeziphi izinto eziya kuchaphazela ubomi benkonzo yeemagnethi ze-neodymium ekusebenziseni iimagnethi imihla ngemihla?
Kukho izinto ezimbini ezichaphazela ngqo ubomi benkonzo yemagnethi.
Eyokuqala bubushushu. Qiniseka ukuba uyiqwalasela le ngxaki xa uthenga iimagnethi. Iimagnethi zothotho lwe-N zisetyenziswa kakhulu kwimarike, kodwa zinokusebenza kuphela kwindawo engaphantsi kwama-80 degrees. Ukuba ubushushu budlula obu bushushu, imagnethi iya kuba buthathaka okanye isuswe ngokupheleleyo kwimagnethi. Ekubeni intsimi yemagnethi yangaphandle yemagnethi ifikelela kwi-saturation kwaye yenze imigca ye-induction yemagnethi exineneyo, xa ubushushu bangaphandle bunyuka, ifom yentshukumo eqhelekileyo ngaphakathi kwimagnethi iyatshatyalaliswa. Ikwanciphisa amandla okunyanzela angaphakathi emagnethi, oko kukuthi, imveliso enkulu yamandla emagnethi iyatshintsha kunye nobushushu, kwaye imveliso yexabiso le-Br elihambelanayo kunye nexabiso le-H nayo iyatshintsha ngokufanelekileyo.
Okwesibini kukugqwala. Ngokubanzi, umphezulu weemagnethi ze-neodymium uya kuba nomaleko wokugquma. Ukuba ukugquma okukwimagnethi konakele, amanzi anokungena ngokulula ngaphakathi kwemagnethi ngokuthe ngqo, nto leyo eya kubangela ukuba imagnethi igqwale kwaye ekugqibeleni ikhokelele ekwehleni kokusebenza kwemagnethi. Phakathi kwazo zonke iimagnethi, amandla okuxhathisa ukugqwala kweemagnethi ze-neodymium aphezulu kunalawo amanye amamagnethi.
Ndifuna ukuthenga iimagnethi ze-neodymium ezihlala ixesha elide, ndingamkhetha njani umenzi?
Uninzi lweemagnethi ze-neodymium ziveliswa eTshayina. Ukuba ufuna ukuthenga iimveliso ezisemgangathweni ophezulu, kuxhomekeke kumandla efektri. Ngokuphathelele itekhnoloji yemveliso, izixhobo zokuvavanya, ukuhamba kwenkqubo, uncedo lobunjineli, isebe le-QC kunye nezatifikethi zenkqubo yolawulo lomgangatho zonke zinokuhlangabezana nemigangatho yamazwe ngamazwe. I-Fuzheng ihlangabezana nazo zonke ezi meko zingasentla, ngoko ke kulungile ukukhetha thina njengomvelisi weemagnethi ze-neodymium zabasetyhini.
Iintlobo zeeNeodymium Magnets
Cebisa Ukufunda
Ixesha lokuthumela: Jan-09-2023