Umphumela wei-spheroidizer(i-nodularizer）ku-cast iron kukabili:

1，Umhlaba ongavamile njenge-ejenti eneziqhumane encibilikisiwe kunsimbi encibilikisiwe unomphumela onamandla ekwakhekeni kwe-carbide.Kuyinto engabonakali. Nokho, ukwengeza inani elincane lomhlaba elingavamile ku-spheroidizer esekelwe ku-magnesium kungakhuphula kakhulu izinga lokuncibilika insimbi.Nciphisa;Uma inani elingeziwe lilikhulu, ukuthambekela kwensimbi ewuketshezi kuzothuthukiswa.Le nto ebonakala iphikisana empeleni ayiphikisani.Lokho kungenxa yokuthi umhlaba ongavamile unamandla aqinile okuhlangana nesibabule nomoya-mpilo.

2, Lapho ii-spheroidizer iqukethe izakhi zomhlaba ezingavamile, i-sulfide yayo nama-oxides azinzile kakhulu, usayizi wezinhlayiya ezincane, kunzima ukuntanta ensimbi encibilikisiwe. I-graphite nuclei.I-Magnesium oxide MgO iyi-ejenti e-spheroidizing enephuzu elincibilikayo eliphezulu, ukuzinza okuhle nokuncibilika okuphansi kwensimbi encibilikisiwe, kodwa uma usayizi wezinhlayiyana zikhudlwana kancane, izontanta phezulu ukuze ibe ugwebu, noma ingase ihileleke ukukhishwa kokufakwa kwe-slag.

I-Nodulizer(ReMgSiFe),iwumlutha ongakhuthaza ukwakheka kwe-spheroidal graphite kusuka kuzingcezu zegraphite ezinqubweni zokukhiqiza.Ingathuthukisa ama-graphite angama-spheroidal futhi ikhulise inani lama-spheroidal graphite ukuze izakhiwo zawo zemishini zithuthukiswe.Ngenxa yalokho, i-ductility kanye nokuqina kwemikhiqizo kuye kwathuthukiswa ukuze amandla nemisebenzi yabo iqiniswe kakhulu.

Umhlaba onzima ongavamileama-nodulersujabulele amakhono aqinile ngokulwa nokuwohloka komnotho, ukulwa nokuhlanekezela kanye nokulwa nokuphazamiseka ohlelweni lokukhiqiza.I-magnesia yayo ilawulwa ngokuyisisekelo ngaphakathi kwe-0.6%.Ngensimbi encibilikisiwe yoqobo ezinzile kanye nobuchwepheshe bokuvuthwa kwamaqhuqhuva, i-magnesium eyinsalela ingalawulwa ngokuzinzile.