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  • Ndi Mitundu Yanji Yazitsulo Zomwe Zimakopeka ndi Magnet a Neodymium?

    Tonse tikudziwa kuti maginito amakopeka wina ndi mzake pamitengo yosiyana ndikuthamangitsa ngati mitengo. Koma kwenikweni ndi mitundu yanji yazitsulo zomwe zimakopa? Maginito a Neodymium amadziwika kuti ndi maginito amphamvu kwambiri omwe amapezeka ndipo ali ndi mphamvu zogwira kwambiri pazitsulozi. Amatchedwa zitsulo za ferromagnetic zomwe zimakhala ndi chitsulo, faifi tambala ndi ma alloys osowa padziko lapansi. M'malo mwake, paramagnetism ndi chokopa chofooka kwambiri pakati pa zitsulo zina ndi maginito zomwe simungathe kuzizindikira.
    Zitsulo zomwe zimagwiritsidwa ntchito kwambiri kuti zikopeke ndi maginito kapena zida zamaginito ndi zitsulo zachitsulo zomwe zimakhala ndi chitsulo ndi chitsulo. Zitsulo, mwachitsanzo, zimagwiritsidwa ntchito kwambiri ndipo zimatha kugwiridwa mosavuta ndi zida zonyamulira zomwe zili ndi maginito a neodymium. Chifukwa chakuti ma elekitironi achitsulowa ndi maginito awo amatha kugwirizanitsa mosavuta ndi maginito akunja, ndizosavuta kuti maginito a neodymium awakope. Ndipo kutengera chiphunzitso chomwechi, maginito a neodymium opangidwa ndi chitsulo amatha kukopeka ndi mphamvu ya maginito ndikusunga maginito. Zopangira zitsulo zosapanga dzimbiri mbali ina zilibe katunduyu ndipo sangathe kukopeka ndi maginito. Nickel Elemental ndi ma aloyi ena a nickel ndi ma ferromagnetic, monga maginito Aluminium-Cobalt-Nickel (alnico). Chofunikira kuti iwo akopeke ndi maginito ndi kapangidwe ka aloyi kapena zinthu zina zomwe ali nazo. Ndalama za nickel si ferromagnetic chifukwa zimakhala ndi mkuwa wambiri komanso gawo laling'ono la nickel.
    Zitsulo monga aluminiyamu, mkuwa ndi golide zimasonyeza paramagnetism kapena kuoneka mofooka. Ikaikidwa m’gawo la maginito kapena pafupi ndi maginito, zitsulo zoterezi zimapanga mphamvu zakezake za maginito zomwe zimazikopa mofooka ku maginito ndipo sizipitirizabe pamene mphamvu ya maginito yakunja ikuchotsedwa.
    Chifukwa chake, ndikofunikira kumvetsetsa zinthu zanu musanagule zinthu zilizonse zamaginito, maginito okwera kapena maginito okweza. Ndi bwino kupeza nyimbo zanu zachitsulo zomwe zina, mwachitsanzo carbon, zimakhudza kwambiri mphamvu ya maginito kukoka.


    Nthawi yotumiza: Apr-22-2020