Kev siv ntawm silicon manganese alloy hauv steelmaking
Silicon manganese alloy yog ib qho alloy uas muaj manganese, silicon, hlau thiab me me ntawm carbon thiab lwm yam khoom. Nws yog ib hom hlau alloy nrog dav siv thiab loj tawm los. Kev noj ntawm silicon manganese tso nyiaj rau qhov chaw thib ob ntawm cov khoom ferroalloy hauv hluav taws xob.
Silicon manganese alloy feem ntau yog siv los ua cov khoom nruab nrab ntawm deoxidizer thiab alloy tus neeg sawv cev hauv cov hlau thiab hlau ntau lawm nrog rau cov khoom siv tseem ceeb ntawm cov pa roj carbon tsawg ferromanganese ntau lawm. Silicon thiab manganese nyob rau hauv silicon-manganese alloy muaj zog affinity nrog oxygen. Thaum silicon manganese alloy yog siv nyob rau hauv steelmaking, lub resulting deoxidation cov khoom MnSiO3 thiab MnSiO4 yaj ntawm 1270 ℃ thiab 1327 ℃ feem, nrog rau qhov zoo ntawm cov melting point, loj hais, yooj yim rau ntab, zoo deoxidation nyhuv thiab hais txog. Nyob rau tib lub sijhawm, qhov kub ntawm qhov poob ntawm manganese lossis silicon deoxidization yog 46% thiab 37% feem, thaum silicon manganese alloy deoxidization yog 29%.
Yog li ntawd, silicon manganese tau siv dav hauv steelmaking, nws cov txiaj ntsig kev loj hlob yog siab dua qhov nruab nrab txoj kev loj hlob ntawm ferroalloy, thiab nws tau dhau los ua ib qho tseem ceeb ntawm kev sib xyaw deoxidizer thiab alloy additive hauv steel kev lag luam. Silicon-manganese alloy nrog cov ntsiab lus carbon qis dua 1.9% kuj tseem siv rau kev tsim cov khoom nruab nrab thiab qis carbon ferromanganese thiab electrosilicon-thermal manganese hlau semi-tiav khoom.
Hauv kev lag luam ferroalloy, feem ntau cov silicon-manganese alloy siv hauv steelmaking yog hu ua cov khoom siv silicon-manganese alloy, silicon-manganese alloy siv hauv smelting tsawg carbon hlau yog hu ua tus kheej-siv silicon-manganese alloy, thiab silicon-manganese alloy siv. nyob rau hauv smelting hlau yog hu ua high-silicon silicon-manganese alloy. Manganese tuaj yeem ua ke nrog silicon los tsim silicide MnSiO3, MnSiO thiab MnSiO3. Raws li tuaj yeem pom los ntawm daim duab silicon-manganese lub xeev, qhov ruaj khov silicide yog MnSi. Tus nqi tsis zoo ntawm lub zog dawb ntawm silicide tsim ntawm manganese ntau dua li qhov tsis zoo ntawm lub zog dawb ntawm carbide ntau lawm ntawm manganese. Qhov siab dua cov ntsiab lus ntawm silicon hauv silicon-manganese alloy, cov pa roj carbon tsawg dua.
