Khoom Parameters
| Qib | Kev sib xyaw | |
| Cov ntsiab lus (%) | Ca Cov ntsiab lus (%) | |
| Silicon calcium | 60-65 | 22-35 |
Khoom Description
Silicon calcium alloy yog cov khoom sib xyaw ua ke ntawm cov khoom silicon, calcium thiab hlau. Nws belongs rau qeb ntawm ferroalloys thiab yog ib qho zoo tagnrho deoxidizer thiab desulfurizer. Nws yog dav siv nyob rau hauv lub tshav pob ntawm steel smelting. Cov khoom tseem ceeb ntawm silicon calcium alloy yog silicon (Si) thiab calcium (Ca), thiab feem ntau muaj cov khoom sib txawv xws li hlau (Fe), aluminium (Al), carbon (C), sulfur (S) thiab phosphorus (P. ). Qhov tshwj xeeb muaj pes tsawg leeg sib txawv nyob ntawm seb txoj kev tsim khoom thiab lub hom phiaj. Cov qib silicon calcium alloy feem ntau suav nrog Ca31Si60, Ca28Si60, Ca24Si60, Ca20Si55, thiab lwm yam. Cov qib no qhia txog cov ntsiab lus kwv yees ntawm calcium thiab silicon hauv cov hlau.
Cov txheej txheem ntau lawm ntawm calcium silicon alloy feem ntau suav nrog ib-kauj ruam txoj kev thiab ob-kauj ruam txoj kev. Txoj kev ib-kauj ruam yog muab cov txiv qaub uas hnyav thiab sib npaug sib xyaw, silica thiab carbonaceous txo tus neeg sawv cev rau hauv lub cub hluav taws xob los ua kom cov calcium silicon alloy. Raws li kev pub mis sib txawv, txoj kev ib-kauj ruam tuaj yeem muab faib ua cov txheej txheem pub mis sib xyaw thiab txheej txheej pub mis. Cov cuab yeej siv thiab cov txheej txheem kev ua haujlwm uas yuav tsum tau ua rau ob-kauj ruam txoj hauv kev los tsim cov calcium silicon alloy yog qhov zoo ib yam li cov khoom siv ferrosilicon, tab sis cov txheej txheem nyuaj rau kev tswj hwm, cov kev xav tau ntawm cov khoom siv raw yog nruj, thiab kev siv hluav taws xob muaj zog. siab, yog li nws yog siv tsawg dua.
Cov calcium thiab silicon hauv silicon-calcium alloys muaj cov tshuaj lom neeg muaj zog rau oxygen thiab yog li muaj peev xwm deoxidation muaj zog. Silicon calcium alloy feem ntau yog siv los ua deoxidizer, desulfurizer thiab hloov kho ntawm cov khoom tsis yog xim hlau inclusions hauv steel smelting. Nws tuaj yeem txhim kho qhov purity ntawm cov hlau thiab txo cov naj npawb ntawm cov hlau tsis muaj hlau, yog li txhim kho kev ua haujlwm thiab zoo ntawm cov hlau. Nyob rau hauv cam khwb cia hlau ntau lawm, ntxiv rau deoxidation thiab purification, silicon calcium alloy kuj plays lub luag hauj lwm nucleation, uas yuav pab tsim kom zoo los yog spherical graphite, ua cov graphite nyob rau hauv grey cam khwb cia hlau tusyees faib, txo cov nyiam ntawm dawb cam khwb cia hlau, thiab nce. silicon, desulfurize, thiab txhim kho qhov zoo ntawm cam khwb cia hlau. Silicon calcium alloy tseem tuaj yeem siv los tsim cov ntaub ntawv refractory, tshav kub-resistant qhov chaw ntawm lub zog metallurgical kev lag luam, thiab cov ntaub ntawv yooj yim rau cov organic silicon polymers siab.
Nyob rau hauv cov ntsiab lus, silicon-calcium alloy muaj dav daim ntawv thov nqi thiab kev cia siab nyob rau hauv steel smelting thiab lwm yam teb. Nrog kev nce qib ntawm kev siv thev naus laus zis thiab kev nthuav dav ntxiv ntawm daim ntawv thov kev lag luam, kev npaj thev naus laus zis thiab kev ua haujlwm ntawm silicon-calcium alloy tseem yuav ua kom zoo thiab txhim kho tsis tu ncua.
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