Kuyeretsa Chitsulo Chosungunula Kupanga Zitsulo Zopangira Zitsulo Zosakaniza Zowonjezera Silicon Calcium Aloyi Kashiamu Silicon Aloyi

Aloyi ya binary yopangidwa ndi silicon ndi calcium ndi ya gulu la ferroalloys.Zigawo zake zazikulu ndi silicon ndi calcium, komanso zimakhala ndi zonyansa monga chitsulo, aluminiyamu, carbon, sulfure ndi phosphorous mosiyanasiyana.M'makampani achitsulo ndi zitsulo, amagwiritsidwa ntchito ngati chowonjezera cha calcium, deoxidizer, desulfurizer ndi denaturant kwa osakhala zitsulo.Amagwiritsidwa ntchito ngati inoculant komanso denaturant mumakampani opanga chitsulo.Pamaziko a silicon-calcium alloy, zinthu zina zimawonjezeredwa kuti zipange ternary kapena multi-element composite alloy.Monga Si-Ca-Al;Si-Ca-Mn;Si-Ca-Ba, etc., ntchito monga deoxidizer, desulfurizer, denitrification wothandizila ndi alloying wothandizila chitsulo ndi zitsulo zitsulo.

Calcium ndi chitsulo chapadziko lapansi chamchere chokhala ndi kulemera kwa atomiki 40.08, mawonekedwe akunja amagetsi a 4S2, kachulukidwe (20 ° C) 1.55g/cm3, malo osungunuka a 839±2°C, ndi malo otentha a 1484° C.Ubale pakati pa kuthamanga kwa nthunzi wa calcium ndi kutentha ndi

lnpCa=25.7691-20283.9T-1-1.0216lnT

Kumene pCa ndi kuthamanga kwa mpweya wa calcium, Pa;T ndi kutentha, K. Silicon ndi calcium zimapanga mankhwala atatu, omwe ndi CaSi, Ca2Si ndi CaSi2.CaSi (41.2% Si) imakhala yokhazikika pa kutentha kwakukulu.Ca2Si (29.5%Si) ndi peritectic compound yopangidwa pakati pa Ca ndi CaSi pa kutentha pansi pa 910 ° C.CaSi2 (58.36%Si) ndi peritectic compound yomwe imapangidwa pakati pa CaSi ndi Si pa kutentha pansi pa 1020 ° C.Magawo opangidwa ndi mafakitale opangidwa ndi silicon-calcium alloys ali pafupifupi 77% CaSi2, 5% mpaka 15% CaSi, Si <20% yaulere, ndi SiC <8%.Kuchulukana kwa aloyi ya silicon-calcium yokhala ndi 30% mpaka 33% ya Ca ndi pafupifupi 5% ya Fe ndi pafupifupi 2.2g/cm3, ndipo kutentha kosungunuka kumayambira 980 mpaka 1200 ° C.