Calcium-silicon alloys ua lub luag haujlwm tseem ceeb hauv kev lag luam steel. Lawv feem ntau yog siv rau:
(1) Calcium-silicon alloys yog siv los ua deoxidisers thiab desulphurisers hauv kev lag luam steelmaking. Cov silicon thiab calcium nyob rau hauv calcium-silicon alloys muaj zog affinity rau oxygen, thiab calcium kuj muaj zog affinity rau sulphur. Cov khoom deoxidisation thiab desulphurisation tuaj yeem yooj yim ntab rau saum npoo, txhim kho cov khoom ntawm cov hlau thiab ua rau nws cov plasticity thiab cuam tshuam toughness. Calcium-silicon alloys yog li ntawd yog ib qho zoo heev compound deoxidiser. Tam sim no, calcium-silicon alloy tuaj yeem hloov aluminium ua qhov kawg deoxidiser thiab siv dav hauv cov hlau ntau lawm. Calcium-silicon alloy tseem xav tau rau deoxidation hauv nruam casting.
(2) Calcium-silicon alloy tuaj yeem siv los ua tus neeg sawv cev kub zoo. Ntxiv calcium-silicon alloy hmoov rau lub taub hau ntawm cov hlau ingot ua cov khoom cua sov tuaj yeem txhim kho cov hlau zoo thiab cov txiaj ntsig.
(3) Calcium-silicon alloy yog siv los ua deoxidiser thiab desulphuriser hauv kev tsim cov hlau cam. Calcium-silicon alloy muaj txiaj ntsig zoo dua li ferrosilicon hauv kev txhim kho cov khoom ntawm cam khwb cia hlau. Calcium-silicon alloy tuaj yeem deoxidise, dephosphorise thiab nce cov ntsiab lus silicon hauv cam khwb cia hlau, thiab nws kuj yog ib qho zoo inoculant uas txhawb kev tsim ntawm spheroidal graphite. Hauv kev siv tiag tiag, txhawm rau kom siv tau zoo dua lub luag haujlwm ntawm calcium-silicon alloy, qhov loj me ntawm cov hlau yuav tsum yog li 2 hli, thiab nws yuav tsum tau ntxiv ncaj qha rau lub tank hlau molten, hlau sib tov rauv lossis cov hlau molten. .
