Dab tsi yog fiberglass?
Cov iav fibers tau siv dav vim lawv cov nqi-ua tau zoo thiab cov khoom zoo, feem ntau yog nyob rau hauv kev lag luam sib xyaw. Thaum ntxov li xyoo 18th, cov neeg European pom tau tias iav tuaj yeem spun mus rau hauv cov fibers rau weavers. Lub hleb ntawm Fabkis Emperor Napoleon twb tau kho cov ntaub ua kom zoo nkauj ua los ntawm cov fiberglass. Cov iav fibers muaj ob qho tib si filaments thiab luv luv fibers lossis flocs. Cov khoom siv iav uas siv tau siv nyob rau hauv cov khoom siv sib xyaw, cov khoom siv roj hmab, khoom siv roj hmab, thiab lwm yam.
Iav Fiber ntau lub cev zoo nkauj thiab cov kws kho tshuab, yooj yim ntawm cov fabrication, thiab tus nqi qis piv rauCarbon FiberUa nws cov khoom siv ntawm kev xaiv rau cov ntawv thov siab composite. Cov iav fibers yog tsim los ntawm oxides ntawm silica. Cov iav fibers muaj cov khoom siv neeg kho kom zoo dua xws li muaj qhov loj dua, lub zog siab, lub zog txhav thiab tawv.
Iav Fiber txhawb nqa cov polymers muaj cov chav kawm ntau ntawm cov qauv sib txawv ntawm cov iav cov nplais, xws li cov nyiaj ntev ntev,tws fibers, woven mats, thiabtws mats, thiab siv los txhim kho cov neeg kho tshuab thiab cov kev siv zog ntawm cov khoom sib xyaw polymer. Cov iav fibers tuaj yeem ua tiav qhov kev ua tiav zoo siab, tab sis brittleness tuaj yeem ua rau cov fibers tawg thaum ua.
Iav fiber ntau yam khoom
Cov yam ntxwv tseem ceeb ntawm cov iav fiber muaj xws li cov hauv qab no:
Tsis yooj yim rau nqus dej:Iav Fiberyog dej tshuaj pleev thiab tsis haum rau cov khaub ncaws, vim tias hws yuav tsis nqus, ua rau cov ntoo xav ntub; Vim tias cov khoom siv tsis cuam tshuam los ntawm dej, nws yuav tsis ntsws.
Inelastasticity: vim tsis muaj elasticity, cov ntaub muaj me me thiaj li ncab thiab rov qab. Yog li ntawd, lawv xav tau txoj kev kho deg kom tiv thaiv wrinkling.
Lub zog siab:Iav yas yog tsis muaj zog heev, yuav luag yog muaj zog li kevlar. Txawm li cas los xij, thaum cov fibers rub tawm tsam ib leeg, lawv tawg thiab ua rau cov ntaub los noj ntawm cov tsos mob shaggy.
Rwb thaiv tsev: nyob rau hauv luv luv fiber ntau daim ntawv, fiberglass yog ib qho zoo heev insulator.
Drapability: cov fibers drape zoo, ua rau lawv zoo tagnrho rau cov ntaub.
Thaum tshav kub kub ua: Cov iav iav muaj cov kub kub kuj, tuaj yeem tiv thaiv lub hnub ci sov li ntawm 315 ° C, tshuaj dawb, pwm, kab, kab lossis alkalis.
Raug cuam tshuam tau:Lub khob fibers cuam tshuam los ntawm hydroflluoric acid thiab kub phosphoric acid. Txij li thaum muaj fiber ntau yog cov khoom lag luam iav, qee cov hnab ntim nqaij nyoos yuav tsum daws tau cov tawv nqaij, vim tias cov hnab looj tes hauv tsev, yog li cov hnab looj tes yog cov hnab looj tes, yog li cov hnab looj tes, yog li cov hnab looj tes, yog li cov hnab looj tes kom zoo li cov ntaub qhwv tsev neeg, yog li cov hnab looj tes ua haujlwm, yog li cov hnab looj tes yog cov hnab looj tes kom khov, yog li cov hnab looj tes yog li cov hnab looj tes khov kho
Daim ntawv thov ntawm iav Fiber
Iav yas yog cov khoom siv inorganic uas tsis hlawv thiab khaws cia li 25% ntawm nws lub zog thawj ntawm 540 ° C. Feem ntau cov tshuaj muaj cov nyhuv me me ntawm cov iav fibers. Inorganic fiberglass yuav tsis pwm lossis tsis zoo. Cov iav fibers cuam tshuam los ntawm hydrofluoric acid, kub phosphoric acid thiab cov tshuaj tsw qab.
Nws yog ib qho khoom siv hluav taws xob zoo heev.Fiberglass Fabrics Muaj cov khoom lag luam xws li cov dej khov noo noo, lub zog muaj zog, tshav kub ua kom muaj zog, ua rau lawv txhawb nqa hluav taws xob thiab insulating varnishes.
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Lub Sijhawm Post: Jan-03-2023
