Shiri na kasa da kasa karafa daga matsakaici gami

Hanyar rage zafin thermal fluoride da ake amfani da shi don samar danauyiƙarancin ƙasa karafagabaɗaya yana buƙatar yanayin zafi sama da 1450 ℃, wanda ke haifar da matsaloli masu yawa don aiwatar da kayan aiki da ayyuka, musamman a yanayin zafi mai zafi inda hulɗar tsakanin kayan kayan aiki da ƙananan karafa na ƙasa ke ƙaruwa, wanda ke haifar da raguwar gurɓataccen ƙarfe da rage tsabta.Sabili da haka, rage yawan zafin jiki sau da yawa shine babban batu da za a yi la'akari da shi wajen fadada samarwa da inganta ingancin samfur.

Don rage yawan zafin jiki na raguwa, ya zama dole a fara rage ma'anar narkewar samfuran ragewa.Idan muka yi tunanin ƙara wani takamaiman adadin ƙarancin narkewa da manyan abubuwan ƙarfe na tururi irin su magnesium da jujjuyawar calcium chloride zuwa kayan ragewa, samfuran ragewa za su zama ƙarancin narkewar ƙasa mara ƙarfi magnesium tsaka-tsaki gami da sauƙi narke CaF2 · CaCl2 slag.Wannan ba kawai yana rage yawan zafin jiki ba, amma har ma yana rage ƙayyadaddun nauyin da aka haifar da raguwa, wanda ya dace da rabuwa da karfe da slag.Magnesium a cikin ƙananan abubuwan narkewa ana iya cire su ta hanyar distillation don samun tsarkiƙarancin ƙasa karafa.Wannan hanyar ragewa, wanda ke rage yawan zafin jiki ta hanyar samar da ƙananan narke tsaka-tsakin gami, ana kiranta hanyar tsaka-tsakin alloy a aikace kuma ana amfani da ita sosai wajen samar da ƙananan ƙarfe na ƙasa tare da mafi girman narkewa.An dade ana amfani da wannan hanyar wajen samar da karafa, kuma a shekarun baya-bayan nan an samar da ita don samar da karafa.dysprosium, gadolinium, erbium, Lutium, terbium, scandium, da dai sauransu.