Nrog rau kev ua kom loj zuj zus ntawm cov khoom siv hluav taws xob SiC substrates, cov kev xav tau siab dua tau muab tso rau pem hauv ntej rau kev ruaj ntseg thiab rov ua dua ntawm cov txheej txheem. Tshwj xeeb, kev tswj xyuas qhov tsis xws luag, kev hloov me me lossis drift ntawm tshav kub hauv lub cub tawg, yuav ua rau muaj kev hloov pauv siv lead ua lossis qhov nce ntawm qhov tsis xws luag. Nyob rau lub sijhawm tom ntej, peb yuav tsum tau ntsib qhov kev sib tw ntawm "kev loj hlob sai, ntev thiab tuab, thiab loj hlob tuaj", ntxiv rau kev txhim kho txoj kev xav thiab kev tsim vaj tsev, peb kuj xav tau cov ntaub ntawv thermal ntau dua li kev txhawb nqa. Siv cov khoom siv siab heev, loj hlob zoo siv lead ua.
Kev siv tsis raug ntawm cov khoom siv crucible, xws li graphite, ntxeem tau graphite, tantalum carbide hmoov, thiab lwm yam nyob rau hauv lub tshav kub kub yuav ua rau muaj qhov tsis xws luag xws li cov pa roj carbon ntau ntxiv. Tsis tas li ntawd, nyob rau hauv ib co kev siv, lub permeability ntawm ntxeem tau graphite tsis txaus, thiab ntxiv qhov yuav tsum tau ua kom cov permeability. Cov ntxeem tau graphite nrog siab permeability ntsib cov teeb meem ntawm kev ua, hmoov tshem tawm, etching thiab lwm yam.
VET nthuav qhia lub cim tshiab ntawm SiC siv lead ua cov khoom siv thermal, ntxeem tau tantalum carbide. Lub ntiaj teb debut.
Lub zog thiab hardness ntawm tantalum carbide yog siab heev, thiab ua rau nws ntxeem tau yog ib qho nyuaj. Ua ntxeem tau tantalum carbide nrog loj porosity thiab siab purity yog ib qho nyuaj heev. Hengpu Technology tau tshaj tawm qhov kev sib tw ntxeem tau tantalum carbide nrog cov porosity loj, nrog rau qhov siab tshaj plaws ntawm 75%, ua lub ntiaj teb.
Gas theem tivthaiv pom, kev hloov kho ntawm qhov kub thiab txias gradient, kev taw qhia ntawm cov khoom ntws, kev tswj ntawm to, thiab lwm yam., tuaj yeem siv. Nws tuaj yeem siv nrog lwm cov khoom tantalum carbide (compact) los yog tantalum carbide txheej los ntawm Hengpu Technology los tsim cov khoom hauv zos nrog cov kev sib txawv ntws.
Qee cov khoom siv tuaj yeem rov siv dua.
Post lub sij hawm: Lub Xya hli ntuj-14-2023