Hauv cov khoom siv sib xyaw, kev ua tau zoo ntawm fiberglass raws li qhov tseem ceeb ntawm kev txhawb nqa feem ntau yog nyob ntawm qhov sib txuas ntawm lub peev xwm ntawm fiber ntau thiab matrix. Lub zog ntawm daim ntawv cog lus interfacial no txiav txim siab qhov muaj peev xwm hloov pauv kev ntxhov siab thaum lub iav fiber ntau nyob rau hauv kev thauj khoom, nrog rau kev ruaj khov ntawm iav fiber ntau thaum nws lub zog siab. Feem ntau, kev sib txuas ntawm fiberglass thiab cov khoom siv matrix yog qhov tsis muaj zog, uas txwv tsis pub siv fiberglass hauv cov ntaub ntawv muaj txiaj ntsig zoo. Yog li ntawd, siv cov txheej txheem sizing tus neeg saib xyuas txheej txheem los txhim kho cov qauv kev sib tshuam thiab ntxiv dag zog rau kev sib txuas ntawm lub ntsej muag yog ib txoj hauv kev tseem ceeb los txhim kho kev ua haujlwm ntawm cov iav fiber ntau.
Ib tug sizing tus neeg sawv cev tsim ib txheej molecular rau ntawm qhov chawfiberglass, uas tuaj yeem txo qhov nro ntawm lub ntsej muag, ua rau lub ntsej muag fiberglass ntau hydrophilic lossis oleophilic los txhim kho kev sib raug zoo nrog cov matrix. Piv txwv li, siv tus neeg sawv cev sizing uas muaj chemically active pab pawg tuaj yeem tsim cov tshuaj tiv thaiv nrog cov fiberglass nto, ntxiv dag zog rau kev sib raug zoo ntawm daim ntawv cog lus.
Kev tshawb fawb tau pom tias nano-theem sizing tus neeg sawv cev tuaj yeem pleev xim rau cov fiberglass saum npoo zoo ib yam thiab ntxiv dag zog rau kev sib txuas ntawm cov khoom siv thiab tshuaj lom neeg ntawm cov fiber ntau thiab cov matrix, yog li txhim kho cov khoom siv ntawm fiber ntau. Nyob rau tib lub sijhawm, kev tsim tus neeg sawv cev tsim nyog tuaj yeem kho lub zog saum npoo ntawm cov fiberglass thiab hloov lub wettability ntawm fiberglass, ua rau muaj zog interfacial adhesion ntawm fiber ntau thiab cov ntaub ntawv sib txawv matrix.
Cov txheej txheem txheej txheej sib txawv kuj tseem muaj txiaj ntsig zoo rau kev txhim kho lub zog ntawm interfacial daim ntawv cog lus. Piv txwv li, plasma-pab txheej tuaj yeem siv cov roj ionized los kho coviav fibernto, tshem tawm cov organic teeb meem thiab impurities, nce kev ua haujlwm saum npoo, thiab yog li txhim kho kev sib raug zoo ntawm tus neeg sawv cev sizing rau fiber ntau.
Cov khoom siv matrix nws tus kheej kuj ua lub luag haujlwm tseem ceeb hauv kev sib txuas lus sib txuas. Tsim cov qauv matrix tshiab uas muaj cov tshuaj lom neeg muaj zog dua rau cov iav fibers kho tuaj yeem ua rau muaj kev txhim kho tseem ceeb. Piv txwv li, matrices nrog ib tug siab concentration ntawm reactive pab pawg neeg yuav tsim ntau robust covalent daim ntawv cog lus nrog tus sizing tus neeg saib xyuas ntawm lub fiber nto. Tsis tas li ntawd, kev hloov kho cov viscosity thiab ntws cov khoom ntawm cov khoom siv matrix tuaj yeem ua kom zoo dua impregnation ntawm fiber ntau, txo qhov voids thiab tsis xws luag ntawm lub interface, uas yog ib qho ntawm qhov tsis muaj zog.
Cov txheej txheem tsim khoom nws tus kheej tuaj yeem ua kom zoo dua los txhim kho kev sib raug zoo. Cov txheej txheem zoo linqus infusionlos yogresin hloov moulding (RTM)tuaj yeem ua kom muaj kev sib txuam ntau dua thiab ua tiav ntub dej ntawm coviav fiberslos ntawm matrix, tshem tawm cov hnab tshos huab cua uas tuaj yeem ua rau tsis muaj zog ntawm daim ntawv cog lus. Tsis tas li ntawd, kev thov sab nraud los yog siv cov kev tswj qhov kub thiab txias thaum lub sij hawm kho tuaj yeem txhawb kev sib raug zoo ntawm cov fiber ntau thiab cov matrix, ua rau muaj kev sib txuas ntau dua thiab muaj zog dua.
Txhim kho qhov sib txuas ntawm lub zog ntawm cov iav fiber ntau yog qhov tseem ceeb ntawm kev tshawb fawb nrog cov kev siv tseem ceeb. Thaum siv cov sizing tus neeg sawv cev thiab ntau txheej txheej txheej txheej yog lub hauv paus ntawm qhov kev siv zog no, muaj ob peb lwm txoj hauv kev tau tshawb nrhiav los txhim kho kev ua tau zoo.
Post lub sij hawm: Sep-04-2025
