Cov kua carbon fiber ntau / thermoplastic
Lub matrix resins siv nyob rau hauv carbon fiber reinforced cob composites yog tau muab faib ua ob pawg, ib qho yog ib lub tshuaj thermosetting thiab ib qho yog ib qho thermoplastic cob. Cov tshuaj thermosetting yog tsim los ntawm cov pob zeb uas tsis muaj phom siab tsis haum cev los sis cov muaj siab phom polymer siab uas muaj ib pawg reactive; thaum lub sij hawm txoj kev molding, crosslinking los yog polycondensation yog ua tiav hauv qhov kev txiav txim ntawm tus neeg ua haujlwm curing los yog cov cua sov los ua tus qauv hauv lub cev uas muaj kev sib txuam thiab tsis sib haum. Epoxy resins, bismaleimide resins, polyimide resins, thiab phenolic resins feem ntau yog siv hauv cov ntaub ntawv sib xyaw.
Cov thermoplastic resin yog tsim los ntawm cov kab xev phaus siab heev molecular polymer thiab dissolves thiab melts nyob rau qee qhov kev mob, thiab tsuas hloov lub cev xwb. Feem ntau yog siv cov polyethylene, nylon, polytetrafluoroethylene thiab polyetheretherketone. Nyob rau hauv cov fibre fiber reinforced resin-based khoom siv, cov roj fiber ua raws li lub cuab tam, thiab cov qauv duab matrix siv cov khoom sib txuam rau sab nraud quab yuam thiab hloov cov load rau cov roj fiber ntawm lub interface, kom nws muaj cov khoom , txheej txheem molding, thiab cov khoom siv roj carbon ntau. Khoom muag, thiab lwm yam khoom muaj feem xyuam rau txoj kev ncaj ncees, thiab daim ntawv cog lus carbon fiber kuj yuav muaj qhov cuam tshuam rau kev ua haujlwm ntawm cov kab ke.
Cov roj carbon fiber reinforced nylon 6 composite
Muab cov roj carbon fiber ntau reinforced thermoplastic cob composites (SCFRTP) yog ib qho tseem ceeb ntawm cov khoom siv hauv tshuab. Cov ntaub ntawv zoo li no feem ntau muaj cov khoom vaj khoom tsev zoo, kev lag luam zoo, thiab tuaj yeem tsim tau rau ntau yam duab los ntawm cov xovxwm kub, extrusion molding, los yog txhaj molding. Nylon 6 yog cov khoom siv thermoplastic siv nrog ntau yam kev siv, thiab kev txhim kho cov cwj pwm hloov yog ib qho siv thiab hloov kho txoj hauv kev rau kev ua kom cov nylon 6 composites zoo dua.
Cov kev tshawb fawb ntawm cov roj fiber ntau reinforced nylon 6 composite (PA6 / CF) tau txais ntau xim rau xyoo tas los no. Kev ua tau zoo ntawm PA6 / CF composites yog cuam tshuam los ntawm ntau yam: kev ua thiab kev ua haujlwm, carbon fiber cov ntsiab lus thiab ntev hauv composites, carbon fiber dispersion thiab orientation, carbon fiber thiab PA6 interface qauv, thiab cov khoom ntawm nylon 6 thiab carbon fiber xwb.
Txawm li cas los xij, cov khoom siv hluav taws xob ntawm cov thermoplastic yog nyob ntawm seb cov microstructure ntawm lub polymer matrix thiab cov khoom sib txuas ntawm cov fiber ntau thiab cov qauv. Yog li, nws yog ib qho tseem ceeb rau kev sib piv thiab sojntsuam cov microstructure thiab cov yam ntxwv ntawm tus kabmob.
Tsis tas li ntawd, PA6 yog ib qho kev sib txuas ntawm semi-crystalline polymer. Cov khoom siv dag zog ntawm PA6 / CF yog nyob ntawm cov qauv siv lead ua thiab morphology ntawm PA PA. Cov qauv siv lead ua thiab kev hloov ntawm cov qauv siv rau ntawm kev ua haujlwm ntawm kev sib xyaw. Lub microstructure ntawm PA6 / CF composite. Cov kev tshawb fawb ntawm kev sib raug zoo ntawm cov tsos thiab cov qauv thiab cov kev ua haujlwm ntawm lub tshuab tsis tshua muaj kev qhia tsis tshua tau.
