ITungsten Carbide-Nickel Ngaba iMagnetic okanye ayiyoMazibuthe?

I-tungsten carbide, ekwabizwa ngokuba yi-cemented carbide, yenziwe nge-tungsten carbide powder kunye ne-binder powder. I-binder powder ingaba yi-cobalt powder okanye i-nickel powder. Xa sisebenzisa i-cobalt powder njenge-binder ekwenzeni iimveliso ze-tungsten carbide, siya kuba novavanyo lwe-cobalt magnetic ukuhlola ubungakanani be-cobalt kwi-tungsten carbide. Ke ngokuqinisekileyo ukuba i-tungsten carbide-cobalt iyimagnethi. Nangona kunjalo, i-tungsten carbide-nickel ayikho magnetic.

Usenokuziva ungakholeleki ekuqaleni. Kodwa yinyani. I-tungsten carbide-nickel luhlobo lwemathiriyeli engeyiyo-magnetic enempembelelo entle yokuchasa. Kweli nqaku, ndingathanda ukukuchazela oku.

Njengesinyithi esisulungekileyo, i-cobalt kunye ne-nickel zimagnetic. Emva kokuxuba, ukucinezela, kunye ne-sintering nge-tungsten carbide powder, i-tungsten carbide-cobalt isemagnetic, kodwa i-tungsten carbide-nickel ayikho. Oku kungenxa yokuba iiathom zetungsten zingena kwilatisi yenikeli kwaye zitshintshe i-electron spins yenikeli. Emva koko i-electron spins ye-tungsten carbide inokurhoxisa. Ngoko, i-tungsten carbide-nickel ayikwazi ukutsalwa ngumagnethi. Kubomi bethu bemihla ngemihla, intsimbi engenastainless nayo iyawusebenzisa lo mgaqo.

Yintoni i-electron spin? I-Electron spin yenye yezinto ezintathu zendalo ze-electron. Ezinye iimpawu ezimbini bubunzima kunye nentlawulo ye-electron.

Uninzi lwezinto zenziwe ngeeathomu, iiathomu zenziwe ngeeathomu, kwaye iiathomu zenziwe ngee-nuclei kunye nee-electron. Kwii-athom, ii-electron zihlala zijikeleza kwaye zijikeleza kwi-nucleus. Ezi ntshukumo zee-electron zinokwenza i-magnetism. Kwezinye izinto, ii-electron zihamba kumacala ahlukeneyo, kwaye iziphumo zemagneti zinokurhoxisa ukuze ezi zinto zingabinamagnethi phantsi kweemeko eziqhelekileyo.

Nangona kunjalo, ezinye izinto ze-ferromagnetic ezifana nentsimbi, i-cobalt, i-nickel, okanye i-ferrite yahlukile. I-electron spins yabo inokulungiswa kuluhlu oluncinci ukwenza i-domain magnetic. Kungenxa yoko le nto i-cobalt ecocekileyo kunye ne-nickel zimagnetic kwaye zinokutsalwa yimagnethi.

Kwi-tungsten carbide-nickel, iiathom ze-tungsten zichaphazela i-electron spins ye-nickel, ngoko ke i-tungsten carbide-nickel ayisekho magnetic.

Ngokweziphumo ezininzi zenzululwazi, i-tungsten carbide-nickel inokumelana ne-corrosion ephezulu kunye nokumelana ne-oxidation kune-tungsten carbide-cobalt. Kwi-sintering, i-nickel inokwenza i-liquid phase ngokulula, enokubonelela ngekhono elingcono lokumanzi kwi-tungsten carbide surfaces. Ngaphezu koko, i-nickel iphantsi kwiindleko kune-cobalt.

Ukuba unomdla kwiimveliso ze-tungsten carbide kwaye ufuna ulwazi oluthe kratya kunye neenkcukacha, ungaQHAGAMSHELANA NATHI ngefowuni okanye ngeposi ekhohlo, okanye SITHUMELE MAIL emazantsi ephepha.