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  • Yiziphi Izinhlobo Zezinsimbi Ezikhangwa Ngama-Neodymium Magnets?

    Sonke siyazi ukuthi omazibuthe badonselana ezigxotsheni eziphambene futhi baxoshe njengezigxobo. Kodwa ngempela yiziphi izinhlobo zezinsimbi abazihehayo? Ozibuthe be-Neodymium baziwa njengezizibuthe eziqine kakhulu ezitholakalayo futhi banamandla okubamba aphakeme kakhulu kulezi zinsimbi. Abizwa ngokuthi izinsimbi ze-ferromagnetic eziqukethe ikakhulukazi i-iron, i-nickel nama-alloys omhlaba angavamile. Ngokuphambene nalokho, i-paramagnetism iwukukhanga okubuthakathaka kakhulu phakathi kwezinye izinsimbi kanye nozibuthe ongakwazi ukukubona kancane.
    Izinsimbi ezisetshenziswa kakhulu okumele zihehwe ngozibuthe noma izinsimbi ezinozibuthe yinsimbi eyinsimbi equkethe insimbi nensimbi. Izinsimbi, ngokwezibonelo, zisetshenziswa kabanzi futhi zingaphathwa kalula ngokuphakamisa izinsimbi eziqukethe omagnethi be-neodymium. Ngenxa yokuthi lawa ma-electron ensimbi nezizinda zawo kazibuthe angaqondaniswa kalula nenkundla kazibuthe yangaphandle, kulula ngozibuthe be-neodymium ukubaheha. Futhi ngokususelwe kumbono ofanayo, izibuthe ze-neodymium ezakhiwe ngensimbi zingathonywa amandla kazibuthe futhi zigcine uzibuthe. Ngakolunye uhlangothi ama-alloys ensimbi engagqwali awanayo le ndawo futhi awakwazi ukukhangwa uzibuthe. I-Nickel ye-Elemental namanye ama-nickel alloys nawo angama-ferromagnetic, afana nozibuthe we-Aluminium-Cobalt-Nickel (alnico). Isihluthulelo sabo sokuheha odonsa ukwakheka kwengxubevange yabo noma yiziphi ezinye izakhi abanazo. Izinhlamvu zemali ze-nickel aziyona i-ferromagnetic ngoba iqukethe iningi lethusi kanye nengxenye encane ye-nickel.
    Izinsimbi ezifana ne-aluminium, ithusi negolide zibonisa i-paramagnetism noma ezikhangayo ezibuthakathaka. Uma zibekwe endaweni kazibuthe noma eduze kukazibuthe, izinsimbi ezinjalo zizenzela ezazo amandla kazibuthe azidonsele kalula kukazibuthe futhi aziqhubeki lapho kususwa indawo yangaphandle kazibuthe.
    Ngakho-ke, kubalulekile ukuqonda izinto zakho ngaphambi kokuthenga noma iyiphi impahla kazibuthe, odonsa abakhwezayo noma ophakamisa odonsa. Kungcono ukuthola ukwakheka kwezinto zakho zensimbi lapho okuqukethwe okuthile, okungukuthi i-carbon, kuthinta kakhulu amandla okudonsa uzibuthe.


    Isikhathi sokuthumela: Apr-22-2020