Silicon Carbide
Silicon Carbide (SiC) Chaw tsim khoom rau Metallurgy thiab Refractory Industry
Silicon carbide (SiC) yog cov khoom siv hluavtaws ua los ntawm silicon thiab carbon. Vim nws qhov tshwj xeeb hardness, siab thermal conductivity, thiab muaj zog tiv thaiv cov tshuaj corrosion, silicon carbide tau dhau los ua cov khoom tseem ceeb hauv ntau qhov chaw lag luam. Nws yog dav siv nyob rau hauv metallurgy, refractory ntau lawm, cov ntaub ntawv abrasive, thiab siab -kub muaj txheej txheem.
Hauv kev lag luam metallurgical, silicon carbide feem ntau yog siv los ua tus neeg sawv cev deoxidizing thiab alloy additive hauv steelmaking. Piv nrog cov tshuaj ntxiv ib txwm muaj, SiC pab txhim kho smelting efficiency thaum txo kev siv zog. Nws kuj tseem txhawb kom tswj tau zoo dua ntawm cov pa roj carbon thiab silicon cov ntsiab lus thaum lub sij hawm tsim cov hlau.
Raws li ib qho kev paub txog silicon carbide tsum nyob rau hauv Suav teb, peb muab metallurgical qib silicon carbide nrog ruaj khov tshuaj muaj pes tsawg leeg thiab zoo ib yam particle loj. Peb cov khoom yog dav siv los ntawm steel nroj tsuag, foundries, thiab refractory manufacturers nyob rau hauv ntau lub teb chaws.
Dab tsi yog Silicon Carbide
Silicon carbide yog ib qho crystalline compound tsim ntawm silicon thiab carbon atoms txheej txheem nyob rau hauv ib tug muaj zog lattice qauv. Nws yog ib qho ntawm cov ntaub ntawv nyuaj tshaj plaws siv hauv kev tsim khoom thiab tau siv dav txij li nws tau tsim thawj zaug los ntawm cov txheej txheem Acheson hauv lub xyoo pua puv 19.
Vim nws lub cev thiab tshuaj lom neeg ruaj khov, silicon carbide ua tau zoo nyob rau hauv siab -kub thiab siab - kev ntxhov siab ib puag ncig uas ntau cov khoom siv tsis zoo. Qhov kev sib xyaw ua ke ntawm lub zog, hardness, thiab kub tsis kam ua rau SiC yog cov khoom tseem ceeb rau kev lag luam niaj hnub no.
Cov khoom ntawm Silicon Carbide
Silicon carbide muaj qhov sib xyaw ua ke ntawm cov khoom siv dag zog thiab thermal stability. Cov yam ntxwv no tso cai rau nws kom tswj tau qhov kev ua tau zoo txawm tias nyob rau hauv kev ua haujlwm hnyav.
Qee qhov tseem ceeb tshaj plaws ntawm silicon carbide muaj xws li:
| Khoom | Tus nqi |
|---|---|
| Tshuaj formula | SiC |
| Hardness | 9.0-9.5 Nws |
| Qhov ntom | 3.21 g / cm³ |
| Melting point | kwv yees li . 2700 degree |
| Thermal conductivity | Siab |
| Tshuaj stability | Zoo heev |
Vim nws qhov siab hardness thiab hnav tsis kam, silicon carbide yog siv dav hauv cov ntaub ntawv abrasive. Nyob rau tib lub sijhawm, nws cov thermal conductivity zoo heev thiab ua haujlwm rau oxidation ua rau nws haum rau siab -kub muaj txheej txheem.
Hom ntawm Silicon Carbide
Cov khoom lag luam silicon carbide feem ntau muab faib ua ob hom: dub silicon carbide thiab ntsuab silicon carbide. Txhua hom yog tsim rau kev siv sib txawv.
Dub Silicon Carbide
Dub silicon carbide yog hom siv ntau tshaj plaws hauv kev lag luam. Nws muaj me ntsis qis purity piv nrog ntsuab SiC tab sis muab zoo heev hardness thiab durability. Cov ntawv thov ib txwm muaj xws li:
- metallurgical additives
- cov ntaub ntawv refractory
- abrasive blasting
- cov cuab yeej sib tsoo
Vim nws qhov sib npaug ntawm kev ua tau zoo thiab tus nqi, dub silicon carbide yog dav siv hauv kev lag luam hnyav.
Ntsuab Silicon Carbide
Ntsuab silicon carbide muaj ntau dua purity theem thiab sharper crystalline qauv. Nws feem ntau yog siv rau hauv ntau daim ntawv thov tshwj xeeb xws li:
- zoo sib tsoo
- polishing cov ntaub ntawv
- advanced ceramics
- Cov khoom siv semiconductor
Ntsuab silicon carbide feem ntau xaiv thaum txiav kev ua tau zoo dua thiab ua kom tiav qhov chaw tiav.
Qhov zoo ntawm Silicon Carbide
Zoo heev -kub kev ua haujlwm
Lub melting point ntawm silicon carbide cov khoom yog siab li 2700 degree, uas muaj peev xwm tswj tau nws cov yam ntxwv stability thiab lub zog nyob rau hauv siab - kub ib puag ncig, yog li nws yog dav siv nyob rau hauv siab - kub molten hlau, siab - kub cua sov furnaces, siab - kub thiab petrochemical.
Zoo heev thermal conductivity thiab hluav taws xob conductivity
Silicon carbide muaj thermal conductivity thiab zoo heev hluav taws xob conductivity, yog li nws yog dav siv nyob rau hauv kev tsim khoom ntawm high -power electronics Cheebtsam thiab radiators.
Muaj zog corrosion kuj
Silicon carbide muaj kev tiv thaiv corrosion zoo heev thiab tuaj yeem ua haujlwm ruaj khov rau lub sijhawm ntev hauv cov kua qaub, alkali thiab oxidative ib puag ncig.
High hardness thiab siab zog
Silicon carbide muaj zog dua thiab muaj zog dua li cov khoom siv ceramic, yog li nws muaj kev hnav zoo thiab cuam tshuam.
Peb cov khoom lag luam qib metallurgical silicon carbide muaj nyob rau hauv ntau qib thiab qhov ntau thiab tsawg kom ua tau raws li kev lag luam sib txawv xws li steelmaking, foundry applications, thiab refractory ntau lawm.
Metallurgical Qib Silicon Carbide
| Qib | SiC (%) | C (%) | SiO₂ (%) | Fe₂O₃ (%) | Loj |
|---|---|---|---|---|---|
| SIB 88 | Ntau dua lossis sib npaug li 88 | Tsawg dua los yog sib npaug rau 3.0 | Tsawg dua los yog sib npaug rau 4.0 | Tsawg dua los yog sib npaug li 1.5 | 0-10 hli |
| SIB 85 | Ntau dua lossis sib npaug li 85 | Tsawg dua lossis sib npaug li 3.5 | Tsawg dua los yog sib npaug rau 5.0 | Tsawg dua los yog sib npaug rau 1.8 | 0-10 hli |
| SIB 83 | Ntau dua lossis sib npaug li 83 | Tsawg dua los yog sib npaug rau 4.0 | Tsawg dua los yog sib npaug rau 6.0 | Tsawg dua los yog sib npaug rau 2.0 | 0-10 hli |
| SIB 80 | Ntau dua lossis sib npaug li 80 | Tsawg dua lossis sib npaug li 4.5 | Tsawg dua los yog sib npaug rau 7.0 | Tsawg dua lossis sib npaug li 2.5 | 0-10 hli |
| SIB 75 | Ntau dua lossis sib npaug li 75 | Tsawg dua los yog sib npaug rau 5.0 | Tsawg dua los yog sib npaug rau 8.0 | Tsawg dua los yog sib npaug rau 3.0 | 0-10 hli |
Muaj Particle Loj
Feem ntau particle loj muaj xws li:
- 0-1 hli
- 1-3 hli
- 3-5 hli
- 5-10 hli
- 10-50 mm
Kev cai particle loj tuaj yeem ua raws licov neeg siv khoom xav tau.
Cov yam ntxwv ntawm Silicon Carbide
Wide bandgap
SiC's bandgap yog kwv yees li peb zaug dav dua li ntawm silicon, tso cai rau nws ua haujlwm ntawm qhov hluav taws xob ntau dua, zaus, thiab kub.
High thermal conductivity
SiC zoo dissipates cua sov, ua rau nws zoo tagnrho rau cov ntawv thov nrog cov thermal loads tseem ceeb.
Tsawg zog poob
SiC nthuav tawm qhov kev hloov pauv tsawg kawg nkaus, ua rau kev txhim kho kev siv hluav taws xob hauv hluav taws xob hluav taws xob.
High breakdown voltage
SiC tuaj yeem tswj cov hluav taws xob ntau dua yam tsis muaj qhov tsis ua haujlwm, ua rau nws tseem ceeb rau kev siv hluav taws xob siab -.
Kev siv ntawm Silicon Carbide
Kev sib xyaw ua ke ntawm hardness, thermal stability, thiab tshuaj lom neeg ua haujlwm tso cai rau silicon carbide siv rau ntau yam kev lag luam.
Silicon Carbide hauv Metallurgy
Hauv steelmaking thiab metallurgical ntau lawm, silicon carbide yog siv los ua deoxidizer thiab alloy additive. Nws txhim kho qhov ua tau zoo ntawm cov txheej txheem smelting thaum pab tswj cov tshuaj muaj pes tsawg leeg ntawm cov hlau molten.
Thaum silicon carbide ntxiv rau cov hlau molten, nws ua rau silicon thiab carbon thaum txo cov pa oxygen. Qhov no pab txhim kho steel zoo thiab txo cov slag tsim.
Silicon Carbide nyob rau hauv cov khoom siv refractory
Silicon carbide yog ib qho tseem ceeb hauv cov ntaub ntawv refractory vim nws cov thermal conductivity thiab tsis kam rau thermal shock.
Nws yog feem ntau siv nyob rau hauv:
- cov kab hluav taws xob
- rooj tog zaum
- refractory bricks
- siab -kub cov khoom siv
Qhov sib ntxiv ntawm silicon carbide txhim kho kev ua haujlwm ntev thiab ua kom lub neej ntev kev pab cuam nyob rau hauv siab -kub muaj qhov cub.
Silicon Carbide hauv kev lag luam Abrasive
Vim tias silicon carbide yog qhov nyuaj heev, nws tau siv dav hauv cov cuab yeej abrasive. Nws yog feem ntau siv los tsim:
- sib tsoo log
- ntawv xuab zeb
- polishing hmoov
- blasting media
Nws cov npoo ntse ntse tso cai rau kev txiav thiab sib tsoo ntawm cov hlau, ceramics, thiab cov ntaub ntawv pob zeb.
Silicon Carbide nyob rau hauv Advanced Technology
Nyob rau hauv xyoo tas los no, silicon carbide kuj tau txais qhov tseem ceeb hauv cov thev naus laus zis xws li hluav taws xob hluav taws xob thiab cov khoom siv semiconductor. SiC-raws li semiconductors muaj kev ua haujlwm zoo dua thiab siab dua kub siab dua piv rau cov khoom siv silicon tsoos.
Silicon Carbide Qib
Technical Qib SiC
Qib no muaj cov impurities siab heev thiab siv rau hauv cov ntawv thov abrasive.
Pure SiC
Qhov no yog qhov zoo dua li qib kev tshaj lij thiab siv rau hauv cov ntawv thov uas xav tau qib siab dua ntawm purity.
Ultra-High-Purity SiC
Cov qib no yog qhov zoo tshaj plaws thiab siv rau hauv cov ntawv thov, xws li kev tsim khoom semiconductor.
Kev tsim cov txheej txheem ntawm Silicon Carbide
Cov khoom noj
Lub feedstock muaj SiO2 nyob rau hauv daim ntawv ntawm silica los yog quartz xuab zeb thiab carbon nyob rau hauv daim ntawv ntawm hmoov coke.
Sib tov
Thawj kauj ruam yog sib tov silicon dioxide thiab carbon nyob rau hauv ib tug hluav taws xob tiv taus rauv. Ib tug graphite pas nrig sawv hauv qhov chaw, thaum lwm yam khoom nyob ib puag ncig lub hauv paus.
Cua sov
Tom qab ntawd, ib qho tam sim no dhau los ntawm cov graphite rods kom sov nws mus rau qhov kub ntawm txog 2200 degree. Thaum kawg, ib txheej ntawm silicon carbide yog tsim nyob ib ncig ntawm tus pas nrig, thiab CO emits.
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Ntim |
Hnab / Hlau Nruas |
|
Kev xa khoom |
Shipped los ntawm txoj kev, hiav txwv, rail |
Vim Li Cas Xaiv Peb Silicon Carbide
Raws li tus kws tshaj lij ntawm cov khoom siv hlau metallurgical, peb tsom mus rau kev xa cov khoom lag luam txhim khu kev qha silicon carbide nrog cov khoom zoo ib yam.
Peb qhov zoo muaj xws li:
- ruaj khov tshuaj muaj pes tsawg leeg
- nruj zoo tswj thaum lub sij hawm tsim khoom
- saj zawg zog particle loj customization
- txhim khu kev qha thoob ntiaj teb shipping kev
Peb cov khoom siv silicon carbide tau dav siv los ntawm cov tuam txhab hlau, cov chaw tsim khoom, cov neeg tsim khoom siv hluav taws xob, thiab cov tuam txhab khoom siv hauv ntau lub teb chaws.
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