Nrog rau kev nthuav dav ntxiv ntawm daim ntawv thov kev lag luam, thermosetting resin raws li carbon fiber composites maj mam qhia lawv tus kheej cov kev txwv, uas tsis tuaj yeem ua kom tau raws li qhov xav tau ntawm high-end daim ntawv thov nyob rau hauv cov yam ntxwv ntawm hnav tsis kam thiab kub tsis kam.Nyob rau hauv cov ntaub ntawv no, cov xwm txheej ntawm thermoplastic resin raws li carbon fiber composites yog maj mam nce, ua ib tug tshiab quab yuam ntawm advanced composites.Nyob rau hauv xyoo tas los no, Tuam Tshoj cov pa roj carbon fiber ntau thev naus laus zis tau tsim kev loj hlob sai, thiab kev siv thev naus laus zis ntawm thermoplastic carbon fiber ntau kuj tau nce ntxiv.
Hauv kev tshawb nrhiav cov roj carbon fiber ntau txuas ntxiv nrog cov thermoplastic preg, peb cov qauv ntawm kev siv cov thermoplastic carbon fiber tau pom tseeb.
1. Los ntawm cov hmoov carbon fiber reinforced mus tas li carbon fiber reinforced
Carbon fiber ntau thermoplastic composites yuav muab faib ua hmoov carbon fiber, tws carbon fiber, unidirectional nruam carbon fiber thiab ntaub carbon fiber reinforcement.Qhov ntev ntawm cov fiber ntau reinforced yog, lub zog ntau yog muab los ntawm kev siv cov load, thiab lub zog tag nrho ntawm cov khoom sib xyaw.Yog li ntawd, piv nrog cov hmoov los yog tws carbon fiber reinforced thermoplastic composites, nruam carbon fiber reinforced thermoplastic composites muaj kev ua tau zoo dua.Cov txheej txheem kev txhaj tshuaj molding feem ntau siv hauv Suav teb yog cov hmoov los yog chopped carbon fiber reinforced.Kev ua tau zoo ntawm cov khoom muaj qee yam kev txwv.Thaum siv cov pa roj carbon fiber ntau ntxiv, cov thermoplastic carbon fiber ntau yuav ua rau hauv qhov chaw siv dav dua.
2. Kev txhim kho los ntawm qis kawg thermoplastic resin rau nruab nrab thiab siab kawg thermoplastic resin matrix
Thermoplastic resin matrix qhia tau hais tias siab viscosity thaum lub sij hawm melting txheej txheem, uas yog ib qho nyuaj rau tag nrho infiltrate carbon fiber cov ntaub ntawv, thiab cov degree ntawm infiltration yog ze ze rau kev ua tau zoo ntawm prepreg.Txhawm rau txhawm rau txhim kho qhov ntub dej ntxiv, cov cuab yeej hloov kho sib xyaw tau txais yuav, thiab cov khoom siv fiber ntau nthuav dav thiab cov khoom siv extrusion tau zoo dua.Thaum ncua qhov dav ntawm carbon fiber strand, qhov nruam extrusion tus nqi ntawm resin tau nce.Lub wettability ntawm thermoplastic resin ntawm carbon fiber dimension tau pom tseeb txhim kho, thiab kev ua tau zoo ntawm cov pa roj carbon fiber reinforced thermoplastic prepreg tau zoo lav.Cov resin matrix ntawm nruam carbon fiber thermoplastic composites tau ntse txuas ntxiv los ntawm PPS thiab PA mus rau PI thiab peek.
3. Los ntawm kev sim xuas tes ua kom ruaj khov ntau lawm
Los ntawm kev ua tiav ntawm cov kev sim me me hauv chav kuaj mus rau qhov ruaj khov ntawm cov khoom loj hauv kev cob qhia, qhov tseem ceeb yog tsim thiab kho cov khoom siv ntau lawm.Txawm hais tias qhov txuas ntxiv carbon fiber reinforced thermoplastic prepreg tuaj yeem ua tiav cov khoom lag luam ruaj khov tsis yog nyob ntawm qhov nruab nrab txhua hnub tso zis, tab sis kuj nyob ntawm qhov zoo ntawm prepreg, uas yog, seb cov ntsiab lus ntawm cov khoom siv hauv prepreg yog tswj tau thiab qhov kev faib ua feem tsim nyog, seb cov pa roj carbon fiber nyob rau hauv lub prepreg yog tusyees faib thiab kom huv si infiltrated, thiab seb lub nto ntawm lub prepreg yog du thiab qhov loj yog qhov tseeb.
Post lub sij hawm: Lub Xya hli ntuj-15-2021