Si40 Fe40 Ca10
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Ihe ntụgharị nchara na-eme calcium silicon Si40 Fe40 Ca10
Ebe ọ bụ na calcium nwere njikọ siri ike na oxygen, sọlfọ, hydrogen, nitrogen na carbon na nchara a wụrụ awụ, silicon-calcium alloys na-ejikarị eme ihe maka deoxidation, degassing na fixation nke sọlfọ na nchara a wụrụ awụ. Calcium silicon na-arụpụta mmetụta exothermic siri ike mgbe agbakwunyere na nchara a wụrụ awụ. Calcium na-atụgharị ghọọ vapo calcium na nchara a wụrụ awụ, nke na-enwe mmetụta na-akpali akpali na nchara a wụrụ awụ ma na-aba uru na-ese n'elu mmiri nke na-abụghị ọla.
