Tom qab cov thev naus laus zis hauv kev ua kom nrawm dua ntawm cov tsheb tshiab lub zog thiab lub tshuab hluav taws xob zoo dua, muaj cov khoom zoo li qub tab sis muaj zog -silicon carbide ceramics. Qhov no ceramics siab heev uas muaj cov pa roj carbon thiab silicon cov ntsiab lus, txawm hais tias tsis yog ib qho kev sib tham zoo li chips thiab roj teeb, tau dhau los ua "tus phab ej zais cia" hauv ntau qhov chaw siab kawg vim nws qhov kev ua tau zoo "cov tub ntxhais kawm nyuaj".
Cov yam ntxwv tseem ceeb tshaj plaws ntawm silicon carbide ceramics yog lawv "super muaj zog adaptability" rau qhov chaw huab cua. Cov ntaub ntawv zoo ib yam yog qhov ua rau kev ua haujlwm tsis zoo ntawm qhov kub thiab txias, zoo ib yam li "heatstroke tsis ua haujlwm", tab sis lawv tseem tuaj yeem tswj tau ntau dua 80% ntawm lawv lub zog txawm tias nyob ntawm 1200 ℃, thiab tuaj yeem tiv taus qhov cuam tshuam loj ntawm 1600 ℃ hauv lub sijhawm luv. Qhov kev tiv thaiv cua sov no ua rau nws sawv hauv qhov kub thiab txias, xws li ua cov khoom tseem ceeb rau cov khoom kub kawg ntawm cov tshuab dav hlau. Nyob rau tib lub sijhawm, nws qhov hardness yog thib ob tsuas yog pob zeb diamond, nrog Mohs hardness ntawm 9.5. Coupled nrog zoo heev corrosion kuj, nws muaj peev xwm tswj stability nyob rau hauv muaj zog acid thiab alkali ib puag ncig, thiab nws cov kev pab cuam lub neej nyob deb tshaj li cov tsoos hlau cov ntaub ntawv.
Hauv kev lag luam hluav taws xob thiab kev tswj xyuas thermal, silicon carbide ceramics tau pom cov yam ntxwv ntawm "tag nrho cov neeg uas ua ntawv". Nws cov thermal conductivity yog ob peb zaug ntawm cov tsoos alumina ceramics, uas yog sib npaug rau kev txhim kho "cov dab dej kom zoo" ntawm cov khoom siv hluav taws xob, uas tuaj yeem tshem tawm cov cua sov sai sai thaum lub sijhawm ua haujlwm ntawm cov khoom siv.
Niaj hnub no, lub xub ntiag ntawm silicon carbide ceramics tau kis thoob plaws ntau qhov chaw tseem ceeb. Nyob rau hauv lub zog tshiab tsheb, nws yog muab zais rau hauv lub hwj chim module, ntsiag to shortening them lub sij hawm thiab ncua ntau yam; Nyob rau hauv aerospace teb, lub turbine Cheebtsam ua los ntawm nws yuav txo tau cov khoom hnyav thiab nce thrust; Hauv kev tsim khoom semiconductor, nws cov yam ntxwv tsis tshua muaj thermal expansion ua rau cov cuab yeej precision xws li lithography tshuab ntau qhov tseeb thiab ruaj khov; Txawm nyob rau hauv kev lag luam nuclear, nws tau dhau los ua cov khoom siv tseem ceeb rau cov reactors vim nws cov hluav taws xob tiv thaiv kom zoo dua.
Yav dhau los, tus nqi yog ib qho teeb meem rau kev nrov ntawm silicon carbide ceramics, tab sis nrog kev loj hlob ntawm kev npaj technology, nws cov nqi tau maj mam txo, thiab ntau industries pib txaus siab rau cov nyiaj faib ntawm cov khoom no kiv puag ncig. Los ntawm lub tsheb hluav taws xob rau kev mus ncig txhua hnub mus rau lub dav hlau mus rau kev tshawb nrhiav qhov chaw, qhov zoo li tsis pom zoo "cov pob txha" cov khoom siv yog tsav tshuab mus rau lub neej yav tom ntej muaj txiaj ntsig thiab txhim khu kev qha nyob rau hauv txoj kev tsis tshua muaj zog.
Post lub sij hawm: Sep-23-2025