Fiber Reinforced Thermoplastic Composites (FRTP)
Fiber-reinforced thermoplastic composite cov ntaub ntawv yog ib feem tseem ceeb ntawm cov khoom sib xyaw. Ntau yam thermoplastic resins tau ntxiv nrogiav fibers(GF),carbon fibers (CF), aramid fibers (AF) thiab lwm yam ntaub ntawv fiber ntau. Advanced fiber reinforced thermoplastic composites muaj cov khoom zoo heev xws li siab toughness, corrosion kuj thiab qaug zog tsis kam, yooj yim molding txheej txheem, luv luv voj voog, siab siv cov khoom siv (tsis muaj khib nyiab), thiab tsis tas yuav tsum tau cia kub tsawg, thiab tau dhau los ua kev tshawb fawb. hotspot nyob rau hauv cov ntaub ntawv kev lag luam.
Cov txiaj ntsig kev ua tau zoo ntawm FRTP
Thermoplastic composite FRTP tau siv ntau xyoo lawm. Piv nrog cov thermosetting composites xws li phenolic resin, urea-formaldehyde resin, epoxy resin, thiab polyurethane, thermoplastic composites muaj qee yam khoom tshwj xeeb:
◆Tsawg ceev thiab siab zog:Qhov ntom ntawm FRTP yog 1.1-1.6g / cm3, uas tsuas yog 1/5-1/7 ntawm cov hlau, 1/3-1/4 sib zog dua li cov thermosetting FRP, thiab tuaj yeem tau txais nrog ib chav tsev me me uas muaj zog dua txhua yam thiab daim ntawv thov qib.
◆Muaj kev ywj pheej loj hauv kev tsim qauv: Cov khoom siv lub cev, tshuaj lom neeg, thiab cov khoom siv kho tshuab ntawm FRTP yog tsim los ntawm kev xaiv tsim nyog ntawm cov khoom siv raw, proportions, txheej txheem, cov ntsiab lus fiber ntau thiab layup txoj kev. Muaj ntau cov ntaub ntawv, cov tseem ceeb tshaj plaws xws li polyetherketoneketone (PEKK), polyetheretherketone (PEEK), polyphenylene sulfide (PPS), nylon (PA), polyetherimide (PEI), thiab lwm yam. Yog li ntawd, nws cov degree ntawm kev ywj pheej ntawm cov khoom siv xaiv thiab tsim. kuj muaj ntau dua.
◆Thermal khoom: Kev siv dav dav ntawm cov yas yog 50-100 ℃, thiab nws tuaj yeem nce mus rau saum 100 ℃ tom qab tau ntxiv cov iav fiber ntau. Qhov kub distortion ntawm PA6 yog 65 ° C, thiab tom qab ntxiv nrog 30% iav fiber ntau, qhov kub distortion tuaj yeem nce mus rau 190 ° C. Lub tshav kub tsis kam ntawm PEEK nce mus txog 220 ° C. Tom qab ntxiv dag zog nrog 30% iav fiber ntau, kev ua haujlwm kub tuaj yeem nce mus rau 310 ° C. Thermosetting composite cov ntaub ntawv tsis tuaj yeem ua tiav cov cua sov siab.
◆Tshuaj tiv thaiv corrosion: Nws yog tsuas yog txiav txim siab los ntawm kev ua haujlwm ntawm cov khoom siv matrix. Muaj ntau ntau hom thermoplastic resins, thiab txhua cov resin muaj nws tus yam ntxwv los tiv thaiv corrosion. Yog li ntawd, cov matrix resin tuaj yeem xaiv raws li kev siv ib puag ncig thiab nruab nrab ntawm cov khoom sib xyaw. Feem ntau, tuaj yeem ua tau raws li qhov yuav tsum tau siv. Cov dej tsis kam ntawm FRTP kuj zoo dua li cov thermosetting composites.
◆Cov khoom siv hluav taws xob: FRTP feem ntau muaj cov khoom zoo dielectric, tsis cuam tshuam cov xov tooj cua tsis muaj zog, thiab xa cov microwaves zoo. Txij li thaum tus nqi nqus dej ntawm FRTP yog me dua li ntawm thermosetting FRP, nws cov khoom hluav taws xob zoo dua li yav tas los. Tom qab ntxiv cov khoom siv hluav taws xob rau FRTP, nws tuaj yeem txhim kho nws cov conductivity thiab tiv thaiv kev tsim hluav taws xob zoo li qub.
◆Cov khib nyiab tuaj yeem rov ua dua: FRTP tuaj yeem rov ua dua thiab tsim, pov tseg thiab cov khoom seem tuaj yeem rov ua dua, thiab cov khoom siv lub cev thiab cov tshuab tsis hloov pauv, thiab nws yuav tsis ua rau muaj kuab paug ib puag ncig. kev cai ib puag ncig.
Mus saib peb cov duab thaij duab thiab lwm yam xov xwm txogGRECHO Fiberglassrooj plaubntawm no.
Cov khoom siv iav fiber ntau lossis cov khoom siv sib xyaw yuav tsum tuaj yeem hu rau hauv qab no:
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Post lub sij hawm: Sep-23-2021
