Khoom Description
Silicon carbide (SiC), kuj hu uacarborundum, yog ib qho nyuaj tshuaj lom neeg uas muaj silicon thiab carbon. Ib tug dav bandgap semiconductor, nws tshwm sim nyob rau hauv cov xwm li cov ntxhia tsis tshua muaj moissanite, tab sis tau loj- ua hmoov thiab siv lead ua txij li thaum 1893 rau siv raws li ib tug abrasive. Cov nplej ntawm silicon carbide tuaj yeem sib koom ua ke los ntawm sintering los tsim cov ceramics nyuaj heev uas tau siv dav hauv cov ntawv thov uas yuav tsum tau ua siab ntev, xws li tsheb nres, tsheb clutches thiab cov phaj ceramic hauv cov mos txwv vests. Cov pob zeb loj loj ntawm silicon carbide tuaj yeem loj hlob los ntawm Lely txoj kev thiab lawv tuaj yeem txiav mus rau hauv lub pov haum hu ua hluavtaws moissanite.
Kev siv hluav taws xob ntawm silicon carbide xws li lub teeb -emitting diodes (LEDs) thiab cov khoom siv hluav taws xob hauv cov xov tooj cua thaum ntxov tau tshwm sim thawj zaug nyob rau xyoo 1907. SiC yog siv hauv cov khoom siv hluav taws xob semiconductor uas ua haujlwm ntawm qhov kub thiab txias, lossis ob qho tib si.
Specification
| Qib | Si (%) | C (%) | S (%) | P (%) | Moisture | Loj (mm) |
|---|---|---|---|---|---|---|
| SiC65/15 | Ntau dua lossis sib npaug li 65 | Ntau dua lossis sib npaug li 15 | Tsawg dua los yog sib npaug li 0.05 | Tsawg dua los yog sib npaug li 0.05 | Tsawg dua los yog sib npaug rau 1.0 | 0–3, 10–50 |
| SiC60/20 | Ntau tshaj los yog sib npaug rau 60 | Ntau tshaj los yog sib npaug rau 20 | Tsawg dua los yog sib npaug li 0.05 | Tsawg dua los yog sib npaug li 0.05 | Tsawg dua los yog sib npaug rau 1.0 | 1–10, POV |
| SiC55/25 | Ntau dua lossis sib npaug li 55 | Ntau dua lossis sib npaug li 25 | Tsawg dua los yog sib npaug li 0.05 | Tsawg dua los yog sib npaug li 0.05 | Tsawg dua los yog sib npaug rau 1.0 | Customized |
Cov khoom siv
Abrasive thiab txiav cov cuab yeej
Txiav disks ua los ntawm SiC
Hauv kev tsim khoom, nws yog siv rau nws qhov nyuaj hauv cov txheej txheem abrasive xws li kev sib tsoo, honing, dej - dav hlau txiav thiab sandblasting. SiC muab ntau dua thiab nyuaj dua rau cov xuab zeb blasting piv rau txhuas oxide. Cov khoom ntawm silicon carbide yog laminated rau daim ntawv los tsim cov ntawv xuab zeb thiab tuav daim kab xev ntawm skateboards.
Hauv kev ua yeeb yam, silicon carbide yog ib qho nrov abrasive nyob rau hauv niaj hnub lapidary vim lub durability thiab tsis tshua muaj nqi ntawm cov khoom.
Nyob rau hauv 1982, ib qho tshwj xeeb muaj zog sib xyaw ntawm aluminium oxide thiab silicon carbide whiskers tau pom. Kev tsim kho ntawm qhov chaw kuaj no- tsim cov khoom sib xyaw rau cov khoom lag luam tsuas yog siv peb xyoos xwb. Xyoo 1985, thawj qhov kev lag luam txiav cov cuab yeej ua los ntawm cov alumina thiab silicon carbide whisker -cov khoom siv ntxiv tau muab tso rau hauv kev ua lag luam.
Cov khoom siv
Silicon carbide yog siv rau kev raug mob daim hlau ntawm ballistic vests
Nyob rau xyoo 1980 thiab 1990s, silicon carbide tau kawm hauv ntau qhov kev tshawb fawb rau siab -kub roj turbines hauv Tebchaws Europe, Nyiv, thiab Tebchaws Meskas. Cov khoom siv tau npaj los hloov cov nickel superalloy turbine blades lossis nozzle vanes. Txawm li cas los xij, tsis muaj ib qho ntawm cov haujlwm no ua rau muaj qhov ntau lawm, feem ntau yog vim nws qhov cuam tshuam tsis zoo thiab nws cov pob txha tsis tshua muaj zog.
Ib yam li lwm cov khoom siv tawv tawv (xws li alumina thiab boron carbide), silicon carbide yog siv hauv cov khoom sib xyaw ua ke (xws li Chobham armor), thiab hauv cov phaj ceramic hauv cov tsho tiv thaiv mos txwv. Dragon Skin, uas yog tsim los ntawm Pinnacle Armor, siv cov disks ntawm silicon carbide. Txhim kho pob txha toughness hauv SiC armor tuaj yeem pab txhawb los ntawm qhov tshwm sim ntawm kev loj hlob tsis zoo los yog AGG. Kev loj hlob ntawm qhov ntev ntev ntawm silicon carbide nplej tuaj yeem ua rau muaj kev sib zog ua kom muaj zog los ntawm kev tawg -txoj kev sib txuas, zoo ib yam li kev txhawb nqa. Zoo sib xws AGG- cov teebmeem toughening tau tshaj tawm hauv Silicon nitride (Si3N4).
Silicon carbide yog siv los ua cov khoom txhawb nqa thiab txee rau hauv siab -kub kilns xws li rau firing ceramics, iav fusing, los yog iav casting. SiC kiln txee yog qhov sib dua thiab ruaj khov dua li cov txee alumina.
Nyob rau lub Kaum Ob Hlis 2015, infusion ntawm silicon carbide nano- cov khoom nyob rau hauv molten magnesium tau hais los ua ib txoj hauv kev los tsim ib qho tshiab muaj zog thiab yas alloy haum rau kev siv hauv aeronautics, aerospace, tsheb, thiab micro-electronics.
Tsheb qhov chaw
Porsche Carrera GT's silicon carbide "carbon-ceramic" disc nres
Silicon-infiltrated carbon-carbon composite yog siv rau siab-kev ua tau zoo "ceramic" brake discs, vim lawv tuaj yeem tiv taus qhov kub thiab txias. Cov silicon reacts nrog cov graphite nyob rau hauv cov pa roj carbon-carbon composite los ua carbon-fiber- siv zog silicon carbide (C/SiC). Cov nres nres no yog siv rau ntawm qee txoj kev- mus rau tsheb kis las, supercars, nrog rau lwm lub tsheb ua haujlwm suav nrog Porsche Carrera GT, Bugatti Veyron, Chevrolet Corvette ZR1, McLaren P1, Bentley, Ferrari, Lamborghini thiab qee qhov tshwj xeeb siab -kev ua tau zoo Audi tsheb. Silicon carbide kuj tseem siv rau hauv daim ntawv sintered rau diesel particulate lim. Nws kuj tseem siv los ua cov roj ntxiv los txo kev sib txhuam, emissions, thiab harmonics.
Cov tshuab hluav taws xob
Daim ntawv thov hluav taws xob ntxov tshaj plaws ntawm SiC yog raws li kev tiv thaiv kev tiv thaiv hluav taws xob hauv cov hluav taws xob hluav taws xob. Cov khoom siv no yuav tsum muaj kev tiv thaiv siab kom txog rau thaum qhov hluav taws xob hla lawv mus txog qhov chaw pib VTnyob rau ntawm qhov chaw lawv tsis kam yuav tsum poob mus rau theem qis thiab tswj qib no kom txog rau thaum qhov kev siv hluav taws xob poob qis dua VTflushing tam sim no rau hauv av.
Nws tau lees paub ntxov tias SiC muaj qhov voltage- nyob ntawm qhov tsis kam, thiab yog li txhua kab ntawm SiC pellets tau txuas ntawm siab -voltage fais fab kab thiab lub ntiaj teb. Thaum hluav taws xob tawm tsam rau txoj kab nce cov kab hluav taws xob txaus, SiC kem yuav ua, tso cai rau kev tawm tsam tam sim no kom tsis muaj teeb meem rau lub ntiaj teb es tsis txhob nyob ntawm txoj kab hluav taws xob. Cov kab SiC tau ua pov thawj los ua qhov tseem ceeb ntawm lub zog ib txwm muaj - kab khiav hauj lwm voltages thiab yog li yuav tsum tau muab tso rau hauv series nrog lub txim taws. Qhov sib txawv ntawm qhov hluav taws xob no yog ionized thiab ua kom muaj hluav taws xob thaum xob laim nce qhov hluav taws xob ntawm lub hwj chim kab hluav taws xob, yog li txuas rau SiC kem ntawm lub zog hluav taws xob thiab lub ntiaj teb. Cov pa taws uas siv rau hauv cov neeg tua hluav taws xob tsis muaj kev ntseeg siab, tsis tuaj yeem tawm tsam ib qho arc thaum xav tau lossis tsis tuaj yeem tua tom qab, nyob rau hauv rooj plaub tom kawg vim cov khoom tsis ua hauj lwm los yog paug los ntawm plua plav lossis ntsev. Kev siv SiC kab yog Ameslikas tsim los tshem tawm qhov xav tau ntawm qhov sib txawv ntawm cov hluav taws xob ntes. Gapped SiC ntes tau siv rau xob laim- tiv thaiv thiab muag raws li GE thiab Westinghouse cov npe, thiab lwm yam. Lub gapped SiC ntes tau raug tshem tawm ntau los ntawm tsis muaj -gap varistors uas siv cov kab ntawm zinc oxide pellets.
Tuam txhab Taw Qhia - Koj Trusted Ferroalloy Partner
Nrog dhau20 xyoo ntawm kev paub hauv ferroalloy export, peb lub tuam txhab tau tsim ibmuaj zog thoob ntiaj teb cov saw hlauthiab lub koob npe nrov rau qhov zoo, sib xws, thiab cov neeg siv khoom txaus siab. Peb tshwj xeeb hauv kev tsim khoom thiab xa tawm ntawm ntau yam khoom ferroalloy, suav nrog:
Ferro Silicon 72 / 75
Siab Purity FeSi
Nruab nrab thiab Tsawg Carbon Ferromanganese (MC FeMn, LC FeMn)
Tsawg Carbon Ferrochrome (LC FeCr)
Silicon hlau (Standard & Off Qib)
Calcium Silicon (CaSi)
Ferro Silicon Barium (FeSiBa)
Ferro Silicon Magnesium (FeSiMg)
Silicon Carbon (SiC)
Tom ntej: Graphite Petroleum Coke (GPC)
Cored Hlau (CaSi, FeTi, CaFe, thiab lwm yam)
Peb pab cov neeg muas zaub thoob plaws Asia, Europe, Middle East, thiab South America nrogkhoom ruaj khov, kev sib tw nqi, thiab kev txhawb nqa.
Cim npe nrov: premium silicon carbon alloy zoo tshaj tus nqi, Tuam Tshoj hwm silicon carbon alloy zoo tshaj tus nqi manufacturers, lwm tus neeg, Hoobkas
