Silicon carbideyog cov khoom siv hluav taws xob uas tsim los ntawm silicon thiab carbon atoms txheej txheem hauv cov qauv siv lead ua nruj nruj. Qhov kev npaj atomic tshwj xeeb no muab nws cov khoom zoo tshaj plaws: nws yuav luag zoo li pob zeb diamond (9.5 ntawm Mohs nplai), peb zaug sib zog dua hlau, thiab muaj peev xwm tiv taus qhov kub siab tshaj 1,600 ° C. Tsis tas li ntawd, nws cov thermal conductivity thiab tshuaj lom neeg ruaj khov ua rau nws zoo tagnrho rau qhov chaw muaj kev ntxhov siab.
Kev siv tub rog: Tiv thaiv lub neej hauv kev sib ntaus sib tua
Tau ntau xyoo lawm, cov tub rog tub rog tau nrhiav cov khoom sib npaug tiv thaiv thiab kev txav mus los. Cov tsoos steel armor, thaum siv tau, ntxiv qhov hnyav hnyav rau cov tsheb thiab cov neeg ua haujlwm. Silicon carbide ceramics daws qhov teeb meem no. Thaum siv hauv cov cuab yeej cuab yeej cuab tam-feem ntau txheej nrog cov ntaub ntawv zoo li polyethylene lossis txhuas-SiC ceramics zoo heev ntawm kev cuam tshuam thiab tawg lub zog ntawm cov mos txwv, shrapnel, thiab tawg tawg.
Cov tsheb tub rog niaj hnub no, daim hlau lub cev muaj zog, thiab cov rooj zaum helicopter tau nce ntxiv nrog SiC ceramic panels. Piv txwv li, Teb Chaws Asmeskas Tub Rog cov kaus mom hlau tiv thaiv tiam tom ntej siv SiC-based composites los txo qhov hnyav thaum tswj kev tiv thaiv phom phom. Ib yam li ntawd, lub teeb yuag ceramic armor cov khoom siv rau cov tsheb armored txhim kho kev txav mus los yam tsis muaj kev cuam tshuam txog kev nyab xeeb.
Civilian Adaptations: Safety Beyond the Battlefield
Tib yam khoom uas ua rau SiC ceramics tsis muaj nuj nqis hauv kev ua tsov rog tam sim no tau siv rau kev tiv thaiv pej xeem. Raws li cov nqi tsim khoom poob qis, kev lag luam tau txais qhov "super ceramic" hauv txoj kev muaj tswv yim:
1. Automotive Armor: Cov neeg ua haujlwm siab tshaj plaws, cov neeg sawv cev, thiab cov tsheb VIP tam sim no siv cov khoom siv hluav taws xob zoo SiC ceramic-reinforced panels rau cov mos txwv tsis kam, sib txuas cov khoom kim heev nrog kev ruaj ntseg.
2. Aerospace & Racing: Formula 1 teams thiab aircraft manufacturers embed nyias SiC ceramic phaj nyob rau hauv cov khoom tseem ceeb los tiv thaiv cov khib nyiab cuam tshuam ntawm huab ceev ceev.
3. Kev Nyab Xeeb Kev Nyab Xeeb: Cov neeg ua haujlwm nyob rau hauv qhov chaw muaj kev phom sij (piv txwv li, mining, metalworking) hnav cov iav tiv thaiv kev tiv thaiv nrog SiC ceramic hais.
4. Cov Khoom Siv Hluav Taws Xob: Kev sim siv muaj xws li cov xov tooj smartphone uas siv tau ntev thiab cov khoom siv hluav taws xob tiv thaiv hluav taws xob rau cov tsheb fais fab.
Txawm li cas los xij, daim ntawv thov dav dav tshaj plaws hauv pej xeem, nyob hauv cov phiaj xwm tiv thaiv ceramic. Lub teeb yuag panels tam sim no pom nyob rau hauv:
- Cov cuab yeej tua hluav taws los tiv thaiv cov khib nyiab poob
- Drone vaj tse rau kev tiv thaiv kev sib tsoo
- Kev caij tsheb kauj vab haum nrog cov cuab yeej tiv thaiv kev puas tsuaj
- Cov tshuaj ntsuam kev ruaj ntseg rau cov tsev txhab nyiaj thiab cov chaw muaj kev pheej hmoo siab
Cov kev sib tw thiab cov kev cia siab yav tom ntej
Thaum silicon carbide ceramics muab qhov zoo sib xws, lawv cov brittleness tseem muaj kev txwv. Cov kws tshaj lij tau hais txog qhov no los ntawm kev tsim cov khoom siv sib xyaw - piv txwv li, embedding SiC fibers hauv polymer matrices - txhawm rau txhim kho kev yooj yim. Additive manufacturing (3D printing) ntawm SiC Cheebtsam kuj tau txais traction, ua rau cov duab nyuaj rau kev cai tiv thaiv kev daws teeb meem.
Los ntawm kev tso tseg cov mos txwv kom tiv thaiv lub neej txhua hnub, silicon carbide ceramics qhia txog qhov kev ua tub rog tshiab tuaj yeem hloov mus rau hauv cov cuab yeej cawm neeg txoj sia. Raws li kev tshawb fawb txuas ntxiv mus, peb yuav pom sai sai no SiC-raws li armor nyob rau hauv av qeeg-resistant cov ntaub ntawv, hluav taws kub-resistant infrastructure, los yog txawm hnav tech rau kev ua si huab cua. Hauv lub ntiaj teb uas qhov kev xav tau kev nyab xeeb loj hlob zuj zus ntxiv, qhov tshwj xeeb ceramic no tau npaj txhij los ua kom tau raws li qhov kev sib tw-ib lub teeb yuag, tawv tawv ib zaug.
Post lub sij hawm: Mar-20-2025