Silicon carbide (SiC) yog covalent compound tsim los ntawm cov pa roj carbon thiab silicon thiab paub txog nws cov khoom zoo heev, nrog rau kev hnav tsis kam, thermal shock resistance, muaj zog corrosion kuj thiab siab thermal conductivity. Cov khoom no ua rau silicon carbide cov khoom siv zoo tagnrho rau ntau yam kev siv hauv ntau lub lag luam, suav nrog aerospace, tshuab tsim, petrochemicals, hlau smelting thiab electronics. Tshwj xeeb yog tsim rau zus tau tej cov hnav-resistant qhov chaw thiab high-temperature structural qhov chaw. Kev txhim kho ntawm cov tshuaj tiv thaiv-sintered silicon carbide ceramics tau ua lub luag haujlwm tseem ceeb hauv kev nce qib kev lag luam ntawm cov khoom siv ntau yam no.
Cov txheej txheem kev tsim khoom ib txwm muajCov tshuaj tiv thaiv-sintered silicon carbide ceramicsyog siv silicon carbide hmoov ua ke nrog me me ntawm carbon hmoov. Qhov sib tov tau dhau los ua qhov kub-kub siliconization cov tshuaj tiv thaiv los tsim cov khoom siv ceramic ntom ntom. Txawm li cas los xij, qhov khoom siv niaj hnub no tsis yog tsis muaj nws qhov tsis zoo. Cov txheej txheem sintering yog tus cwj pwm los ntawm lub sijhawm ntev, kev kub siab thiab kev siv hluav taws xob siab, ua rau cov nqi ntau lawm. Raws li kev lag luam yuav tsum tau ua rau silicon carbide ceramic duab thiab cov ntaub ntawv ua nyuaj, cov kev txwv ntawm cov txheej txheem ib txwm ua kom pom tseeb.
Nyob rau hauv xyoo tas los no, kev taw qhia ntawm silicon carbide nanopowders tau dhau los ua kev cog lus los txhim kho cov khoom siv ntawm silicon carbide ceramics. Siv nanopowders tuaj yeem tsim cov ceramics nrog ntau dua sintered densities thiab ntau dua flexural zog. Txawm li cas los xij, tus nqi ntawm silicon carbide nanopowder yog qhov siab, feem ntau tshaj 10,000 yuan ib tuj, uas ua rau muaj kev cuam tshuam loj rau kev saws me nyuam thiab kev tsim khoom loj. Qhov kev sib tw nyiaj txiag no yuav tsum tau tshawb nrhiav lwm cov khoom siv raw thiab cov hau kev los ua kom cov khoom siv silicon carbide ceramics ua tau zoo dua thiab siv tau zoo.
Tsis tas li ntawd, lub peev xwm los tsim cov duab nyuaj thiab qhov loj dua qhib txoj hauv kev tshiab rau kev siv silicon carbide ceramic. Kev lag luam uas xav tau cov qauv tsim thiab cov ntaub ntawv ua tau zoo tuaj yeem tau txais txiaj ntsig los ntawm txoj kev npaj tshiab no. Kev tsim qauv yooj yim thiab cov peev txheej tsim tau zoo ntawm cov khoom siv zoo silicon carbide ceramics tuaj yeem ua rau muaj kev vam meej loj hauv thaj chaw xws li aerospace thiab electronics uas cov khoom siv tau zoo heev.
Post lub sij hawm: Nov-09-2024