Hauv "kev sib ntaus sib tua kub" ntawm kev lag luam niaj hnub no, cov khoom siv hlau tsoos feem ntau ntsib cov teeb meem xws li softening deformation, oxidation thiab corrosion. Thiab ib yam khoom tshiab hu uasilicon carbide ceramicyog ntsiag to dhau los ua tus neeg saib xyuas tseem ceeb ntawm cov cuab yeej kub kub nrog nws peb lub peev xwm loj ntawm "siab kub tsis kam, tiv thaiv kev ntxhov siab, thiab hloov hluav taws xob ceev".
1 、 Muaj peev xwm tiv taus qhov kub thiab txias
Silicon carbide ceramics inherently muaj peev xwm tiv taus qhov kub thiab txias. Nws cov atoms yog nruj nreem txuas los ntawm cov kev sib cog lus muaj zog, zoo li peb-dimensional network woven los ntawm steel tuav, uas muaj peev xwm tswj tau cov txheej txheem kev ncaj ncees txawm nyob rau hauv kub kub ntawm 1350 ℃. Cov yam ntxwv no ua rau nws yooj yim muaj peev xwm ua haujlwm kub ntev ntev uas cov ntaub ntawv hlau tsis tuaj yeem tiv taus, ua rau nws yog qhov kev xaiv zoo tshaj plaws rau cov teb xws li kiln hauv ob sab phlu thiab spacecraft thermal tiv thaiv.
2 、 Cov 'tiv thaiv kev tiv thaiv' tiv thaiv oxidative corrosion
Nyob rau hauv ob lub siab kub thiab corrosive xov xwm, cov ntaub ntawv zoo tib yam feem ntau tev tawm txheej los ntawm txheej zoo li rusted hlau. Qhov saum npoo ntawm silicon carbide ceramics tuaj yeem tsim cov txheej tiv thaiv ntom ntom ntawm silicon dioxide, zoo li npog tus kheej nrog cov cuab yeej tsis pom. Qhov "kev kho tus kheej" no ua rau nws tiv taus qhov kub ntawm oxidation ntawm 1350 ℃ thiab tiv taus yaig los ntawm molten ntsev, kua qaub thiab alkali. Nws tuav tus neeg saib xyuas tus cwj pwm ntawm "tsis muaj hmoov, tsis muaj qhov" nyob rau hauv ib puag ncig hnyav xws li khib nyiab incinerators thiab tshuaj reactors.
3, Lub 'courier' ntawm tshav kub
Tsis zoo li "kub thiab av" cov yam ntxwv ntawm cov ceramics zoo tib yam, silicon carbide ceramics muaj thermal conductivity piv rau cov hlau. Nws yog zoo li ib tug built-in tshav kub dissipation channel, uas yuav sai sai hloov lub tshav kub nyob rau hauv lub ntaus ntawv mus rau sab nraud. Qhov no "tsis muaj cua sov zais" qhov ua tau zoo tiv thaiv cov khoom puas tsuaj los ntawm qhov kub thiab txias hauv zos, ua rau cov khoom siv kub kub ua haujlwm zoo dua thiab siv zog ntau dua.
Los ntawm kev lag luam kilns mus rau photovoltaic silicon wafer sintering furnaces, los ntawm cov hluav taws xob loj mus rau high-temperature nozzles, silicon carbide ceramics yog reshaping thev naus laus zis toj roob hauv pes ntawm kev lag luam kub nrog lawv cov txiaj ntsig zoo ntawm "durability, stability, thiab ceev kis tau tus mob". Raws li lub tuam txhab muab kev pabcuam thev naus laus zis koom nrog kev ua haujlwm ntawm cov ceramics siab heev, peb txuas ntxiv txhawb kev ua tiav thiab kev tsim kho tshiab hauv cov khoom siv, tso cai rau ntau cov cuab yeej siv los tswj kom muaj "kev sib haum xeeb thiab tsim" ua haujlwm hauv lub xeev huab cua.
—— Ua txhaum ntawm qhov ntsuas kub ntawm cov ntaub ntawv, peb taug kev nrog thev naus laus zis!
Post lub sij hawm: May-09-2025