Ferrosilicon, cov khoom siv dav siv hauv kev lag luam steel, kev lag luam hauv kev lag luam, thiab lwm yam kev lag luam ntau lawm, ua lub luag haujlwm tseem ceeb. Qhov tseem ceeb ntawm ferrosilicon nyob rau hauv nws txoj kev siv dav, feem ntau hauv kev lag luam steel uas nws ua haujlwm tseem ceeb. Tsis tas li ntawd, nws pom cov ntawv thov tseem ceeb hauv kev lag luam foundry thiab lwm cov txheej txheem tsim khoom lag luam. Ua tsaug rau nws cov khoom muaj txiaj ntsig thiab muaj peev xwm sib txawv, ferrosilicon tau dhau los ua lub hauv paus hauv cov haujlwm no, tsav lawv txoj kev loj hlob thiab txhim kho lawv cov khoom tsim tau.
Ferrosilicon plays lub luag haujlwm tseem ceeb hauv kev lag luam steel ua ib qho tseem ceeb deoxidizer. Nws yog siv nyob rau hauv hluav taws xob hlau rau ob qho tib si nag lossis daus deoxidation thiab diffusion deoxidation txheej txheem. Tsis tas li ntawd, cib hlau yog ua hauj lwm raws li tus neeg sawv cev alloying hauv steel ntau lawm. Thaum silicon ntxiv rau cov hlau hauv ib qho kev faib ua feem, nws ua rau muaj kev txhim kho tseem ceeb hauv lub zog, hardness, thiab elasticity. Ntxiv mus, nws txhim kho qhov sib nqus permeability thaum txo hysteresis poob hauv transformer steel. Cov ntsiab lus ntawm silicon hauv ntau hom hlau sib txawv raws li. General steel feem ntau muaj {{0}}.15% rau 0.35% silicon, whereas structural steel muaj 0.40% mus rau 1.75% silicon. Cov cuab yeej steel yog alloyed nrog 0.30% mus rau 1.80% silicon, thaum lub caij nplooj ntoos hlav steel muaj 0.40% mus rau 2.80% silicon. Stainless acid-resistant steel koom nrog 0.40% mus rau 2.80% silicon, thiab silicon steel muaj 3.40% mus rau 4.00% silicon. Hauv cov hlau uas tsis muaj cua sov, cov ntsiab lus silicon nyob ntawm 1.00% mus rau 3.00%, thiab silicon steel muaj 2% mus rau 3% lossis ntau dua silicon. Los ntawm kev hloov kho cov ntaub ntawv muab thiab ua kom ntseeg tau tias nws yog raws li cov ntawv qub, cov ntsiab lus zoo sib xws tuaj yeem tsim tau.
Ferrosilicon, tseem hu ua high-silicon ferrosilicon lossis siliceous alloys, ua lub luag haujlwm tseem ceeb hauv kev lag luam ferroalloy los ntawm kev ua tus neeg sawv cev txo qis rau kev tsim cov pa roj carbon monoxide ferroalloys. Nws cov ntawv siv ntau yam suav nrog nws siv los ua ib qho inoculant rau ductile hlau thaum qhia rau cam khwb cia hlau. Tsis tas li ntawd, ferrosilicon pab tiv thaiv kev tsim cov carbide, ua kom yooj yim rau nag lossis daus thiab spheroidization ntawm graphite, thiab thaum kawg txhim kho tag nrho cov kev ua tau zoo ntawm cam khwb cia hlau.
Ntxiv mus, kev lag luam kev lag luam tuaj yeem siv ferrosilicon hmoov raws li lub sijhawm ncua, thaum lub vuam pas nrig kev lag luam tuaj yeem siv los ua cov txheej rau vuam rods. Kev lag luam hluav taws xob tuaj yeem siv high-silicon ferrosilicon los npaj semiconductor ntshiab silicon, thiab kev lag luam tshuaj siv tau los ntawm kev tsim cov silicones. Cov no tsuas yog qee qhov kev siv ntau ntawm ferrosilicon hmoov thiab high-silicon ferrosilicon uas ua rau lawv cov khoom tseem ceeb hauv ntau yam lag luam. Nrog rau lawv cov versatility thiab muaj txiaj ntsig zoo, cov khoom lag luam no txuas ntxiv pab txhawb kev loj hlob thiab kev vam meej ntawm ntau qhov chaw.
Hauv kev tsim cov hlau, kwv yees li 3 mus rau 5 kilograms ntawm 75% ferrosilicon yog siv rau ib metric tons ntawm steel tsim.
Melting point: 75FeSi yog 1300 degree
Thaum tuav cov ferrosilicon, nws yog ib qho tseem ceeb kom paub tias tej zaum yuav muaj cov kab mob ntawm cov hlau phosphorus, xws li calcium phosphide. Yog tias cov khoom no ntub dej, nws tuaj yeem tso cov pa phem hu ua phosphine. Cov roj no tuaj yeem ua rau muaj kev phom sij, thiab txawm tias tuag taus, rau cov neeg nyob hauv thaj chaw uas cov ferrosilicon raug thauj lossis khaws cia. Nws yog ib qho tseem ceeb uas yuav tsum tau ceev faj tiv thaiv kev tso tawm ntawm phosphine thiab tswj ferrosilicon nrog kev saib xyuas kom tsis txhob muaj xwm txheej lossis raug mob. Ib txwm ua raws li cov txheej txheem kev nyab xeeb thiab cov txheej txheem tsim nyog thaum ua haujlwm nrog cov khoom siv no kom ntseeg tau tias txhua tus nyob nyab xeeb.
