Khoom Description
Ferrosilicon yog ib qho ntawm cov khoom siv feem ntau siv hauv kev lag luam niaj hnub, tshwj xeeb hauv kev tsim cov hlau. Nws yog cov khoom siv ntau yam uas muaj ntau yam txiaj ntsig, suav nrog kev txhim kho lub zog, durability, thiab tsis kam tiv thaiv corrosion. Txawm li cas los xij, nws muaj pes tsawg leeg tuaj yeem suav nrog cov kab ke uas tuaj yeem cuam tshuam qhov zoo ntawm cov khoom kawg. Yog li ntawd, nws yog ib qho tseem ceeb kom ntseeg tau tias ferrosilicon kab kawm ua tau raws li cov qauv xav tau.
Cov ntsiab lus kab lus feem ntau txhais tau tias yog cov uas tshwm sim hauv me me, feem ntau tsawg dua ib feem pua ntawm tag nrho cov muaj pes tsawg leeg. Txawm hais tias lawv yuav zoo li tsis tseem ceeb, txawm tias cov lej ntawm qee cov ntsiab lus tuaj yeem muaj kev cuam tshuam loj rau cov khoom ntawm cov hlau. Piv txwv li, muaj leej faj tuaj yeem ua rau tsim cov sulfide inclusions, uas tuaj yeem ua rau cov hlau tsis muaj zog thiab txo nws cov ductility. Ib yam li ntawd, ntau ntau ntawm phosphorus lossis carbon tuaj yeem ua rau brittleness, ua rau cov hlau ua rau tawg lossis tawg.
Txhawm rau zam cov teeb meem no, cov tuam txhab ferrosilicon yuav tsum ua tib zoo saib xyuas qhov muaj pes tsawg leeg ntawm lawv cov alloys thiab xyuas kom meej tias lawv ua tau raws li cov qauv tsim nyog rau cov ntsiab lus hauv kab. Piv txwv li, American Society for Testing and Materials (ASTM) tau tsim ntau yam kev qhia tshwj xeeb rau cov khoom ferrosilicon. Cov qauv no suav nrog kev txwv rau qib siab tshaj plaws ntawm ntau yam kab kawm, suav nrog sulfur, phosphorus, carbon, thiab lwm yam.
Ua raws li cov qauv no yog qhov tseem ceeb rau kev ua kom zoo thiab sib xws ntawm cov khoom ferrosilicon. Los ntawm kev tswj cov qib ntawm cov kab hauv cov hlau, cov tuam ntxhab tuaj yeem pab xyuas kom meej tias cov khoom kawg ua tau raws li qhov xav tau tshwj xeeb rau nws qhov kev npaj siv. Piv txwv li, yog hais tias cov alloy yog siv nyob rau hauv zus tau tej cov high-strength steel, nws yuav tsum tau dawb los ntawm tej yam kab mob uas yuav txo tau nws lub zog los yog toughness.
Tsis tas li ntawd, xyuas kom meej tias ferrosilicon kab kawm ua tau raws li cov qauv xav tau tsis yog hais txog kev tsim cov khoom zoo dua. Nws tseem yog hais txog kev txhawb nqa kev nyab xeeb thiab kev ruaj ntseg thoob plaws hauv kev lag luam. Ntau qib ntawm qee yam kab mob, xws li sulfur, tuaj yeem ua rau muaj kev phom sij rau ib puag ncig thiab tib neeg kev noj qab haus huv. Los ntawm kev tswj cov qib no, cov tuam txhab tsim khoom tuaj yeem pab txo qis lawv cov kev cuam tshuam ib puag ncig thiab ua kom muaj kev nyab xeeb ua haujlwm rau lawv cov neeg ua haujlwm.
Ntxiv nrog rau kev ua raws li cov qauv kev cai, cov tuam txhab ferrosilicon kuj tseem tuaj yeem siv lawv tus kheej cov txheej txheem tswj xyuas kom zoo los xyuas kom meej tias lawv cov khoom ua tau raws li cov qauv zoo tshaj plaws thiab sib xws. Qhov no tuaj yeem suav nrog kev siv cov txheej txheem tshuaj ntsuam xyuas qib siab, xws li scanning electron microscopy (SEM) thiab lub zog-dispersive X-ray spectroscopy (EDS), txhawm rau txheeb xyuas thiab ntsuas cov qib ntawm cov kab hauv cov hlau.
Zuag qhia tag nrho, kom ntseeg tau tias ferrosilicon kab kawm ua tau raws li cov qauv xav tau yog ib kauj ruam tseem ceeb hauv kev tsim cov hlau zoo. Los ntawm kev tswj cov qib no, cov tuam txhab lag luam tuaj yeem ua kom ntseeg tau tias lawv cov khoom ua tau raws li qhov xav tau tshwj xeeb rau lawv qhov kev npaj siv, thaum tseem txhawb kev nyab xeeb thiab kev ruaj ntseg thoob plaws hauv kev lag luam. Nrog kev pab los ntawm cov txheej txheem analytical siab heev thiab nruj tswj cov txheej txheem, manufacturers tuaj yeem txuas ntxiv tsim cov ferrosilicon alloys uas ua tau raws li cov qauv siab tshaj plaws ntawm kev ua tau zoo thiab sib xws.
Khoom ntsiab lus
| Ferro silicon code | Tshuaj muaj pes tsawg leeg (%) | |||||
|---|---|---|---|---|---|---|
| Si | Mn | Cr | C | P | S | |
| FeSi75A | 74.0-80.0 | Tsawg dua lossis sib npaug rau 0.4 | Tsawg dua lossis sib npaug rau 0.3 | Tsawg dua los yog sib npaug rau 0.1 | Tsawg dua lossis sib npaug rau 0.035 | Tsawg dua lossis sib npaug rau 0.02 |
| FeSi75B | 72.0-80.0 | Tsawg dua lossis sib npaug rau 0.4 | Tsawg dua lossis sib npaug rau 0.3 | Tsawg dua los yog sib npaug rau 0.1 | Tsawg dua lossis sib npaug rau 0.04 | Tsawg dua lossis sib npaug rau 0.02 |
| FeSi75C ua | 70.0-80.0 | Tsawg dua lossis sib npaug rau 0.5 | Tsawg dua lossis sib npaug rau 0.5 | Tsawg dua los yog sib npaug rau 0.2 | Tsawg dua lossis sib npaug rau 0.04 | Tsawg dua lossis sib npaug rau 0.02 |
| FeSi65 | 65.0-72.0 | Tsawg dua lossis sib npaug rau 0.6 | Tsawg dua lossis sib npaug rau 0.5 | Tsawg dua los yog sib npaug rau 0.2 | Tsawg dua lossis sib npaug rau 0.04 | Tsawg dua los yog sib npaug rau {{0}}.0 |
FAQ
Q: Koj puas yog lub Hoobkas lossis tuam txhab lag luam?
A: Peb yog cov chaw tsim khoom.
Q: Koj lub sijhawm xa khoom ntev npaum li cas?
A: Lub sijhawm xa khoom nyob ntawm koj qhov kev yuav khoom ntau thiab lub caij tsim khoom.
Q: Koj txoj kev xa khoom yog dab tsi?
A: Kev xa khoom sai, hiav txwv shipping muaj rau koj qhov kev thov.
Tiv tauj peb
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