Nkag mus rau lub ntiaj teb kev lag luam niaj hnub no, ib txwm tuaj yeem pom muaj cov khoom tshwj xeeb - lawv tsis yog ci li hlau lossis lub teeb li yas, tab sis lawv ntsiag to txhawb kev lag luam niaj hnub. Qhov no yog tsev neeg muaj ceramics, ib pab pawg ntawm cov khoom siv tsis yog hlau tsis muaj npe nrov rau lawv cov khoom tshwj xeeb.
I. Cov "cov tswv cuab hnub qub" ntawm tsev neeg ceramics
Ntawm cov tsev neeg muaj ceramics, muaj ntau tus tswv cuab uas sawv cev tshwj xeeb: Alumina ceramics zoo li tus tij laug txhim khu kev qha, tso siab rau cov rwb thaiv tsev zoo heev thiab kev tiv thaiv corrosion, ua lub luag haujlwm tseem ceeb hauv cov khoom siv hluav taws xob thiab cov khoom siv tshuaj lom neeg; Silicon nitride ceramics zoo li cov neeg ncaws pob sib sib zog nqus, muaj ob qho tib si hardness ntawm ceramics thiab toughness ntawm cov hlau, uas qhia tau zoo heev hauv cov bearings thiab cov cuab yeej txiav; Zirconia ceramics zoo li fashionistas, tsis tsuas yog muaj pearl zoo li luster tab sis kuj muaj cov cuab yeej dub ntawm "theem transformation toughening", nyiam heev hauv cov hniav hniav thiab qhov tseeb.
II.Silicon carbide ceramics: Cov tub rog thoob plaws hauv kev lag luam
Ntawm cov tsev neeg no, silicon carbide ceramics tuaj yeem suav tias yog tus tub rog tiag tiag. Qhov tshwj xeeb ceramic no tsim los ntawm silicon thiab carbon ntsiab lus yog thawj zaug los ntawm tib neeg hauv xyoo 1905 thiab tau ua tsis tu ncua cov ntaub ntawv kev ua haujlwm ntawm cov khoom siv. Nws zoo li cov ntaub thaiv npog ua los ntawm pob zeb diamond, nrog Mohs hardness txog li 9.5, tsuas yog thib ob rau pob zeb diamond nws tus kheej; Nws zoo li cov cuab yeej cuab tam los ntawm cov cib refractory, muaj peev xwm tiv taus 1350 ℃ ntawm qhov kub-kub ci.
Hauv kev cob qhia metallurgical, silicon carbide ceramics ua kilnware txhawb kev quenching ntawm steel billets; nyob rau hauv cov kav dej tshuaj, nws hloov mus ua tus neeg saib xyuas corrosion-resistant, ncua kev pab cuam lub neej ntawm cov kav dej; ntawm cov kab ntau lawm semiconductor, nws kuj yog ib qho kev xaiv zoo tshaj plaws rau kev coj tus kheej; txawm ntau xav tsis thoob, qhov zoo li cov khoom hnyav no yog qhov ua tau zoo tshaj plaws ntawm cov khoom siv hluav taws xob, ua rau nws pom nws qhov chaw nyob hauv thaj chaw ntawm hluav taws xob cua sov dissipation.
III. Transformation thiab rebirth coj los ntawm technology
Niaj hnub nimno technology tau endowed silicon carbide ceramics nrog lub neej tshiab. Los ntawm nanomodification technology, cov kws tshawb fawb tau txhim kho nws cov tawv nqaij; siv 3D luam ntawv thev naus laus zis, qhov nyuaj-puab qhov sib piv rau cov duab kos duab tuaj yeem tsim. Nyob rau hauv peb lub tuam txhab lub chaw soj nstuam, engineers tab tom kawm silicon carbide sintering txoj kev, siv advanced sintering technology kom tau raws li ntau yam khoom yuav tsum tau ntawm cov neeg muas zaub thiab tsis tu ncua kev txhim kho cov kev ua tau zoo ntawm silicon carbide ceramic khoom, ua rau lawv hloov mus rau ntau complex ua hauj lwm tej yam kev mob.
Los ntawm kev lag luam ib txwm mus rau kev siv thev naus laus zis, kev lag luam ceramics tau sau cov lus dab neeg tshiab. Raws li lub tuam txhab muab kev pabcuam thev naus laus zis tshwj xeeb hauv silicon carbide ceramics, peb ib txwm cog lus los muab cov kev daws teeb meem customized. Txawm hais tias nws yog kev ua haujlwm ntawm qhov tshwj xeeb zoo li qhov tshwj xeeb tshwj xeeb lossis kev tsim cov kev daws teeb meem rau kev ua haujlwm hnyav, peb tuaj yeem nrhiav kev txhawb nqa ntawm no.
Lub sij hawm xa tuaj: Plaub Hlis-18-2025