Cov Cenospheres siv tau rau hauv cov khoom siv ceramic kub siab heev los txhim kho lawv cov khoom thiab kev ua tau zoo. Nov yog ob peb txoj hauv kev uas cov cenospheres tuaj yeem koom ua ke rau hauv cov khoom siv kub siab heev:
1,Kev txhawb zogCov cenospheres tuaj yeem ua haujlwm ua cov khoom siv ntxiv rau hauv cov khoom siv ceramic composites. Lawv tuaj yeem ntxiv rau hauv cov ceramic matrices, xws li alumina lossis silicon carbide, los txhim kho lawv cov khoom siv kho tshuab, xws li lub zog, kev tawv, thiab kev tiv thaiv kev tawg. Cov cenospheres ua haujlwm ua cov khoom siv sib dua thiab muaj zog, faib cov kev ntxhov siab thiab tiv thaiv kev tawg hauv cov khoom siv ceramic matrix.
2,Kev rwb thaiv tsev kub: Cenospheres muaj cov khoom rwb thaiv cua sov zoo heev vim lawv cov thermal conductivity qis thiab cov qauv hollow. Thaum muab tso rau hauv cov ntaub ntawv ceramic, lawv tuaj yeem txhim kho lawv cov peev xwm rwb thaiv cua sov. Qhov no yog qhov tshwj xeeb tshaj yog nyob rau hauv cov ntawv thov uas qhov kev ruaj khov thermal thiab rwb thaiv tsev yog qhov tseem ceeb, xws li hauv cov cua sov kub siab lossis cov txheej txheem thermal barrier.
3,Kev Tswj Qhov Ceev: Cov cenospheres yog cov khoom sib dua thiab muaj qhov ceev tsawg. Los ntawm kev ntxiv cov cenospheres rau cov qauv ceramic, qhov ceev tag nrho ntawm cov khoom siv tau tuaj yeem txo qis. Qhov no yog qhov zoo hauv cov ntawv thov uas xav tau kev txo qhov hnyav, xws li cov khoom siv aerospace lossis cov khoom siv tsheb, yam tsis muaj kev txi cov qauv lossis kev ua haujlwm thermal ntawm cov ceramic.
4,Kev Tswj Xyuas Qhov PorosityCov cenospheres tuaj yeem pab tswj qhov porosity ntawm cov khoom siv ceramic. Nyob ntawm seb qhov porosity xav tau npaum li cas, cenospheres tuaj yeem siv ua cov neeg sawv cev tsim cov qhov. Cov cenospheres tuaj yeem faib rau hauv cov ceramic matrix thiab tom qab ntawd xaiv tshem tawm los ntawm cov txheej txheem tom qab, tawm hauv qab tswj porosity hauv cov khoom siv ceramic. Qhov tswj porosity no tuaj yeem pab tau rau cov ntawv thov xws li kev lim dej, kev txhawb nqa catalyst, lossis kev rwb thaiv tsev thermal.
5,Cov Khoom Dielectric: Cenospheres muaj cov khoom siv hluav taws xob zoo. Thaum muab tso rau hauv cov khoom siv ceramics siab heev, lawv tuaj yeem pab txhawb rau cov khoom siv dielectric. Qhov no ua rau cenosphere-enhanced ceramics tsim nyog rau kev siv hauv cov khoom siv hluav taws xob insulators, capacitors, lossis cov khoom siv hluav taws xob kub siab.
Txoj kev tshwj xeeb ntawm kev koom ua ke cenospheres rau hauv cov khoom siv ceramics kub siab nyob ntawm cov khoom xav tau thiab cov txheej txheem tsim khoom. Cenospheres tuaj yeem sib xyaw rau hauv cov hmoov ceramic lossis slurries ua ntej shaping thiab sintering, lossis lawv tuaj yeem qhia thaum lub sijhawm tsim cov khoom sib xyaw ua ke siv cov txheej txheem xws li kub nias lossis infiltration. Nws yog ib qho tseem ceeb uas yuav tsum xav txog qhov sib xws ntawm cenospheres thiab cov ceramic matrix, nrog rau qhov loj me, kev faib tawm, thiab kev sib sau ua ke ntawm cenospheres, uas tuaj yeem sib txawv nyob ntawm qhov xav tau daim ntawv thov tshwj xeeb thiab kev ua tau zoo ntawm cov khoom siv ceramic.
Lub sijhawm tshaj tawm: Lub Xya Hli-04-2023