Silicon carbide: Basic chemistry thiab processing techniques
Kev sib xyaw ntawm cov khoom siv carbon thiab silica lossis quartz xuab zeb yog tsim los ua tshuaj lom neeg, ua rau tsim SiC, uas txhim kho raws li cov khoom cylindrical ingot nyob ib ncig ntawm lub hauv paus, nrog cov txheej radial xws li graphite hauv sab hauv mus rau -SiC (qhov siab tshaj - cov khoom qib nrog {Ci{2}} cov khoom siv lead ua grade), thaum kawg ntawm cov khoom siv hlau (Ci{2} grade crystalline), unreacted khoom nyob rau sab nraud, uas yog remelted. SiC tuaj yeem ua rau dub lossis ntsuab, nyob ntawm cov khoom siv raw.
Thaum nws txias lawm, SiC ingots raug txheeb xyuas los ntawm cov neeg ua haujlwm txawj thiab ua tiav ntxiv rau cov ntawv thov sib txawv. Cov khoom siv SiC yog tom qab ntawd ua tib zoo crushed, cais, thiab milled dua yog tias tsim nyog. Lwm qhov kev xaiv yog txhawm rau kho tshuaj ntxiv rau SiC kom tau txais cov khoom tshwj xeeb rau nws cov ntawv thov.
Cov yam ntxwv ntawm silicon carbide
Silicon carbide muab cov txiaj ntsig rau siab -kub, siab -voltage thiab siab - siv fais fab. Cov no suav nrog:
Zoo heev mechanical zog, nrog rau qib siab hardness
Zoo siab -kub tsis kam, ua ke kom tsawg thermal expansion thiab siab thermal sib xws
Tshuaj inertnessntawm txhua qhov kub thiab txias
Hloov pauv hluav taws xob conductivity, suav nrog cov khoom semiconductor thiab tsis yog -linear hluav taws xob tsis kam.
Khoom Description
Ua tsaug rau nws cov khoom siv ntau yam, silicon carbide yog cov khoom siv dav siv hauv cov khoom siv ceramic hauv ntau qhov siab - kub thiab hnav- cov ntawv siv tiv taus, xws li:
Daim ntawv thov refractorynyob rau hauv zus tau tej cov hlau, hlau, ceramics, nonferrous hlau, zog, tshuaj, thiab lwm yam.
High -kub roj sensornyob rau hauv cov khoom siv hauv kev tsim tshuaj lom neeg thiab hauv turbine lossis lub cav kuaj kom pom cov nplaim hluav taws kub hnyiab tau hauv cov huab cua hnyav, siab - kub, thiab corrosive ib puag ncig
Ceramic welding hmoov
Semiconductors hauv electronicsrau cov khoom siv hluav taws xob ua tsaug rau nws qhov siab -voltage resistance
Cim npe nrov: Tuam Tshoj silicon carbide 97 manufacturers, lwm tus neeg, Hoobkas
