Hauv kev nrhiav cov ntaub ntawv rwb thaiv tsev zoo tshaj plaws, cov fibers polycrystalline tau tshwm sim ua tus neeg sib tw zoo, tau txais kev saib xyuas dav dav rau lawv cov khoom rwb thaiv tsev zoo heev. Hauv tsab xov xwm no, peb yuav nkag mus rau hauv daim ntawv thov thiab cov yam ntxwv zoo tshaj plaws ntawm cov fibers polycrystalline hauv thaj chaw rwb thaiv tsev.
Cov Khoom Tshwj Xeeb ntawm Polycrystalline Fibers:
Cov fibers polycrystalline yog cov ntaub ntawv fibrous ua los ntawm polycrystalline alumina particles, qhia txog qhov thermal conductivity qis heev uas ua rau lawv cov ntaub ntawv rwb thaiv tsev zoo heev. Cov yam ntxwv tseem ceeb ntawm cov fibers polycrystalline hauv qab no:
1. Kev Ua Haujlwm Thermal Tsawg:
Cov fibers polycrystalline qhia tau tias muaj kev ua haujlwm thermal qis heev, ua rau cov txheej txheem hloov pauv cua sov qeeb qeeb. Qhov no ua rau lawv zoo tshaj plaws hauv cov ntawv thov uas kev rwb thaiv tsev thermal zoo yog qhov tseem ceeb, xws li cov ntaub thaiv cua sov kub thiab cov kav dej rwb thaiv tsev.
2. Kev Ruaj Ntseg Kub Siab:
Cov xov polycrystalline ua tau zoo heev thaum kub siab, thiab tseem ua kom lawv cov khoom rwb thaiv tsev ruaj khov. Qhov no ua rau lawv yog qhov kev xaiv zoo tshaj plaws rau kev lag luam uas ua haujlwm hauv qhov kub siab heev.
3. Kev Tiv Thaiv Kev Xeb:
Vim yog cov khoom xyaw tseem ceeb ntawm cov polycrystalline fibers yog alumina, lawv qhia tau tias muaj kev tiv thaiv corrosion zoo heev. Qhov no ua rau lawv haum rau cov chaw uas raug cov pa roj lossis cov tshuaj lom neeg corrosive.
4. Nyhav thiab Muaj Zog:
Cov xov polycrystalline yog cov khoom sib dua tab sis muaj zog heev, muab kev ywj pheej thiab yooj yim ntawm kev ua. Qhov no yog qhov tseem ceeb rau cov haujlwm uas xav tau kev ywj pheej hauv cov qauv lossis cov kev xav tau tshwj xeeb.
Cov ntawv thov ntawm Polycrystalline Fibers:
Polycrystalline fibers pom ntau daim ntawv thov vim lawv cov khoom zoo heev thermal rwb thaiv tsev:
1. Kev rwb thaiv tsev rau cua sov:
Cov fibers polycrystalline siv dav rau kev rwb thaiv tsev hauv cov cub tawg kub siab, txo cov cua sov poob thiab txhim kho kev siv hluav taws xob.
2. Kev rwb thaiv tsev ntawm cov kav dej:
Hauv kev lag luam uas cuam tshuam nrog cov kav dej kub siab, cov fibers polycrystalline ua haujlwm ua cov khoom siv rwb thaiv tsev zoo tagnrho, pab tswj kom qhov kub thiab txias ruaj khov hauv cov kav dej.
3. Daim Ntawv Thov Aerospace:
Qhov sib dua thiab qhov kub siab ruaj khov ntawm cov polycrystalline fibers ua rau lawv yog cov khoom siv nyiam rau kev siv aerospace, suav nrog cov phab ntsa cabin thiab cov rwb thaiv tsev foob pob.
Xaus lus:
Cov fiber ntau crystalline, nrog lawv cov khoom siv rwb thaiv tsev zoo heev, maj mam dhau los ua qhov kev xaiv ua ntej hauv kev rwb thaiv tsev. Hauv ntau yam kev lag luam thiab kev siv tshuab, cov fibers polycrystalline ua lub luag haujlwm tseem ceeb hauv kev txhim kho kev ua haujlwm zoo, txo kev siv hluav taws xob, thiab ua kom muaj kev nyab xeeb.
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-13-2023
