Cov khoom siv sib xyaw: cov khoom sib xyaw yog cov khoom siv tshiab tsim los ntawm kev sib xyaw ua ke ntawm ob lossis ntau hom heterogeneous, heteromorphic thiab anisotropic cov ntaub ntawv. Nws feem ntau yog tsim los ntawm matrix Cheebtsam thiab kev txhawb zog lossis cov khoom siv ua haujlwm. Cov pa roj carbon fiber ntau: luv luv, nws yog cov khoom siv fiber ntau, uas muaj cov yam ntxwv ntawm lub zog siab, siab modulus, tsawg ntom, corrosion kuj thiab lwm yam. Graphite fiber: carbon fiber nrog txheej hexagonal lattice graphite qauv nrog graphitized molecular qauv thiab cov ntsiab lus carbon siab tshaj 99 feem pua. Tom qab kev kho cua sov ntawm qhov kub thiab txias, qhov graphitization degree ntawm carbon fiber yuav raug txhim kho. Nws feem ntau ntseeg tias carbon fiber tom qab kev kho cua sov siab tshaj 1800degreeyog hu ua graphite fiber. Epoxy resin: epoxy resin yog hais txog ib hom polymer uas nws cov molecule muaj ntau tshaj ob pawg epoxy. Nws yog polycondensation khoom ntawm epichlorohydrin thiab bisphenol A los yog polyol. Vim yog cov tshuaj lom neeg ua haujlwm ntawm epoxy pawg, nws tuaj yeem qhib los ntawm ntau cov tebchaw uas muaj cov khoom siv hydrogen, kho thiab crosslinked los tsim cov qauv network. Yog li ntawd, nws yog ib tug thermosetting resin. Bisphenol A epoxy resin tsis tsuas yog muaj cov khoom loj tshaj plaws thiab cov khoom tiav tag nrho, tab sis kuj tseem muaj ntau yam hloov kho tshiab tseem nce ntxiv thiab kev txhim kho zoo. Thermosetting: thermosetting yog hais txog cov cuab yeej uas tsis tuaj yeem softened, rov molded los yog yaj nyob rau hauv hnyav thaum rhuab. Cov polymers loj muaj cov cuab yeej no. Thermoplasticity: Thermoplasticity yog hais txog cov cuab yeej uas cov khoom tuaj yeem ntws thiab deform thaum rhuab thiab tuav ib qho zoo tom qab txias. Feem ntau cov linear polymers pom cov thermoplasticity thiab yooj yim rau extruded, txhaj los yog tshuab molded. Lub zog tensile: lub zog tensile hais txog qhov siab tshaj plaws uas cov khoom dais ua ntej tawg, uas qhia txog lub peev xwm ntawm cov khoom los tiv thaiv kev puas tsuaj. Tensile modulus: lub tensile modulus yog hais txog elasticity ntawm cov khoom thaum stretching. Tus nqi yog qhov piv ntawm cov quab yuam uas yuav tsum tau ncab cov khoom ntawm ib chav tsev ntev raws li lub hauv paus axis rau nws qhov chaw hla ntu, uas sawv cev rau lub peev xwm ntawm cov khoom los tiv thaiv deformation. Poisson tus piv: Poisson tus piv yog hais txog qhov piv ntawm transverse deformation rau axial deformation ntawm cov khoom nyob rau hauv uniaxial nro los yog compression, kuj hu ua transverse deformation coefficient. Sizing tus neeg saib xyuas: cov pa roj carbon fiber yog qhwv nrog ib txheej ntawm polymer los ntawm impregnation ua ntej winding, uas yog siv los tiv thaiv cov pa roj carbon fiber ntau thiab txhim kho lub zog sib txuas ntawm carbon fiber thiab matrix. Elongation ntawm kev so: qhov sib txawv ntawm qhov sib txawv ua ntej thiab tom qab ncab mus rau qhov ntev ua ntej ncab thaum lub fiber raug rub los ntawm sab nraud quab yuam hu ua elongation ntawm so, qhia hauv feem pua. Lub zog tshwj xeeb: lub zog tshwj xeeb yog lub zog ntawm cov khoom siv (lub zog ntawm ib chav tsev thaum txiav) muab faib los ntawm nws qhov ntom. Kuj tseem hu ua lub zog hnyav piv. Specific modulus: tshwj xeeb modulus yog lub elastic modulus ntawm chav tsev ceev. Nws yog cov cuab yeej cuab tam, tseem hu ua stiffness mass ratio lossis tshwj xeeb nruj. Toughness: lub peev xwm ntawm cov khoom siv los nqus lub zog thaum lub sij hawm yas deformation thiab tawg. Qhov zoo dua toughness, qhov tsawg tau ntawm brittle puas. Isotropy: isotropy yog hais txog cov yam ntxwv uas lub cev thiab tshuaj lom neeg lub cev ntawm ib yam khoom yuav tsis hloov vim txawv cov lus qhia, uas yog, qhov kev ua tau zoo ntawm cov khoom ntsuas hauv cov lus qhia sib txawv yog tib yam, tseem hu ua homogeneity. Anisotropy: anisotropy txhais tau hais tias tag nrho lossis ib feem ntawm cov khoom siv tshuaj thiab lub cev ntawm cov tshuaj hloov pauv nrog kev hloov ntawm cov kev taw qhia, qhia cov khoom sib txawv hauv cov lus qhia sib txawv. Prepreg: prepreg yog ib qho khoom siv nruab nrab, uas impregnates nruam fiber ntau los yog ntaub nrog resin matrix nyob rau hauv nruj tswj tej yam kev mob los ua kom muaj pes tsawg leeg ntawm resin matrix thiab reinforcement. Unidirectional daim ntaub: unidirectional daim ntaub, hu ua UD daim ntaub luv luv, hais txog ib yam ntaub ntawv nrog ib tug loj tus naj npawb ntawm carbon fiber yarn nyob rau hauv ib tug kev taw qhia (feem ntau warp direction) thiab tsuas yog ib tug me me ntawm cov xov paj zoo nyob rau hauv lwm txoj kev. Yog li ntawd, tag nrho lub zog ntawm daim ntaub yog nyob rau hauv thawj qhov chaw. 3K daim ntaub: ib hom ntaub woven nrog 3K carbon fiber cab, uas muab faib ua dawb, satin thiab twill. Nws feem ntau yog siv rau saum npoo ntawm cov khoom siv fiber ntau. Pre oxidation: ua ntej oxidation yog hais txog cov txheej txheem ua ntej oxidation ntawm carbon fiber precursor ua ntej carbonization, tseem hu ua stabilization. Lub hom phiaj tseem ceeb yog ua kom lub precursor incombustible thaum carbonization. Carbonization: yog hais txog cov txheej txheem ntawm cov cua sov thiab decomposition ntawm carbon fiber precursor los yog pre oxygen xaim nyob rau hauv cov xwm txheej ntawm cov cua cais, thiab thaum kawg tsim carbon fiber. Graphitization: yog hais txog cov txheej txheem ntawm kev hloov cov kev npaj ntawm carbon atoms nyob rau hauv carbon fiber los ntawm disordered graphite qauv mus txiav txim graphite siv lead ua qauv tom qab high-temperature kho cua sov. PAN raws: polyacrylonitrile raws li. Cov pa roj carbon fiber ntau carbonized nrog polyacrylonitrile fiber ntau li precursor hu ua polyacrylonitrile raws li carbon fiber. Pitch raws li: carbon fiber carbonized nrog suab fiber ntau li precursor ua suab raws li carbon fiber. Viscose puag: carbon fiber carbonized nrog viscose filament ua ntej, uas dhau los ua viscose raws carbon fiber. Precursor: ib qho organic fiber uas yog spun thiab siv los tsim carbon fibers. Spinning: tseem hu ua tshuaj fiber ntau txoj kev. Ib txheej txheem rau kev tsim tshuaj fiber ntau. Cov txheej txheem ntawm kev ua ib co siab molecular tebchaw rau hauv cov tshuaj colloidal los yog melting rau hauv yaj thiab ces nias tawm ntawm lub qhov zoo ntawm spinneret los tsim tshuaj fiber. Tag nrho cov qauv: carbon fiber imported los ntawm Nyiv tsis tau txiav txheem yog hu ua tag nrho cov qauv. Ib nrab tus qauv: vim tias Nyiv txwv txoj kev ncig ntawm cov pa roj carbon fiber ntau xa tawm mus rau Tuam Tshoj, txoj cai taug qab tau teeb tsa rau hauv cov khoom lag luam. Txhawm rau tiv thaiv Nyij Pooj los ntawm kev taug qab, daim ntawv lo taug qab txoj cai raug txiav tawm hauv Suav teb. Cov pa roj carbon fiber no yog ib nrab carbon fiber. Cov cab me me: feem ntau ntseeg tau tias carbon fibers me dua 24K cab yog cov cab me me, feem ntau yog 1K, 3k, 6K, 12K thiab 24K. Cov cab loj: nws feem ntau suav hais tias carbon fibers loj dua 24K cab yog cov cab loj loj. Wet spinning: yog ib txoj hauv kev spinning tseem ceeb ntawm cov tshuaj fiber ntau, hu ua wet spinning. Dry jet wet spinning: dry jet wet spinning yog hais txog txoj kev daws spinning nrog cov yam ntxwv ntawm ob lub dav hlau qhuav thiab ntub spinning. Lub stretching ratio ntawm lub nozzle yog siab. Thaum nkag mus rau hauv cov dej coagulation ntub dej, cov cab nthuav dav thaum lub sij hawm ntub dej tuaj yeem txhim kho. Yog li ntawd, cov qauv yog ntom, lub spinning ceev yog siab, thawj txhob lo lo ntxhuav muaj tej lub zog, thiab high-kev ua tau zoo fibers yuav tau txais tom qab kev kho mob. Coefficient ntawm thermal expansion: expansion thiab contraction ntawm cov khoom vim kub hloov. Lub peev xwm hloov pauv tau qhia los ntawm qhov hloov ntawm qhov ntev tshwm sim los ntawm kev hloov pauv ntawm chav tsev kub nyob rau hauv isobaric tej yam kev mob, uas yog, coefficient ntawm thermal expansion. Kev tsis sib haum xeeb graphite qauv: cov pa roj carbon rau lub nplhaib network dav hlau maj mam nce, thiab pib sib dhos ua ke mus rau ib leeg thiab ntawm qhov sib npaug, tab sis cov pa roj carbon atoms ntawm txhua lub dav hlau network tsis muaj AB hauv cov graphite siv lead ua qhov sib npaug ntawm qhov sib npaug, uas. yog, nws tseem tsis tau mus txog lub xeev txiav txim peb-dimensional. Xws li ib tug qauv hu ua disordered graphite qauv. Graphitization degree: tom qab kev kho cua sov kub, cov pa roj carbon atom qauv ntawm carbon fiber txuas ntxiv mus rau lub zoo meej graphite siv lead ua qauv, thiab cov graphitization degree yog coj raws li qhov parameter ntawm lub degree mus rau lub zoo meej graphite siv lead ua qauv. Plain weave: cov ntaub uas ua los ntawm cov ntaub dawb yog hu ua cov ntaub qhwv, uas yog, warp thiab weft yog interwoven txhua lwm cov xov paj. Cov ntaub ntawv zoo li no muaj ntau lub ntsiab lus sib cuam tshuam, kev ntxhib los mos, muaj zog scraping, tiaj tus, lub teeb thiab nyias, hnav tsis kam thiab zoo huab cua permeability. Satin weave: satin weave yog lub npe dav dav ntawm ntau yam tshwj xeeb ntawm satin weave daim ntaub. Nws yog ib hom ntaub qhwv uas sib npaug tab sis tsis txuas ntxiv los ntawm cov ntsiab lus sib cais ntawm ob qhov sib txuas los yog cov xov paj uas nyob ib sab. Twill: twill yog paj rwb ntaub nrog ob sab saum toj thiab qis twills thiab 45degreesab laug inclination. Cov qauv twill pem hauv ntej yog pom tseeb Qhov ntom ntom ntawm ib cheeb tsam: rau cov ntaub ntawv carbon fiber lossis carbon fiber prepreg, feem ntau yog grams ib square meter. Warp: ib txoj hlua ntawm yarns ncua raws qhov ntev ntawm lub loom los ntawm qhov uas cov xov paj yog spun rau hauv ib txoj xov raws qhov ntev ntawm cov ntaub. Weft yarn: nyob rau hauv weaving, cov xov paj siv nyob rau hauv radial kev taw qhia yog warp yarn, thiab cov xov paj siv nyob rau hauv weft kev taw qhia yog weft yarn. Cov khoom siv Sandwich: hauv CFRP laminates, txhawm rau txhim kho lub sijhawm khoov ntawm laminates, cov khoom siv foamed lossis cov khoom siv honeycomb ntxiv ntawm CFRP daim hlau. Peb-dimensional weaving: tseem hu ua peb-dimensional weaving. Nyob rau ntawm lub tshuab knitting, zoo li tus los yog daim ntaub ntaub nrog peb-dimensional qauv yog woven los ntawm retracting thiab tso koob, tuav kab rov tav kab, wedge weaving los yog multi-layer weaving. Multi axial ntaub: ntau txheej txheej ntaub tsim los ntawm kev khi warp, weft thiab oblique peb-txoj kev puv dav weft hauv ob sab phlu ua ke. luv txiav carbon fiber: txiav cov carbon fiber luv thiab siv nws los ntxiv dag zog rau cov yas. Kub yaj prepreg: ib txoj kev ntawm melting lub prepreg resin los ntawm cua sov thiab impregnating nws mus rau hauv lub fiber. Nws yog ib hom prepreg ntau lawm txheej txheem. Tshuaj prepreg: nws yog ib txoj kev ntawm dissolving lub prepreg resin nrog organic hnyav thiab impregnating rau hauv cov carbon fiber. Nws yog ib hom prepreg ntau lawm txheej txheem. Coupling tus neeg sawv cev: cov yas additive uas txhim kho cov khoom sib txuas ntawm cov khoom siv hluavtaws thiab carbon fiber. Cov ntsiab lus fiber ntau: carbon fiber cov ntsiab lus hauv ib cheeb tsam. Resin cov ntsiab lus: resin cov ntsiab lus ntawm ib cheeb tsam. Bonding: ib txoj kev ntawm kev sib txuas ntawm ob qhov sib xyaw carbon fiber ntau ua ke nrog cov nplaum. Mechanical kev twb kev txuas: txoj kev sib txuas ntawm kev sib txuas ntawm cov pa roj carbon fiber ntau ua ke los ntawm bolt lossis riveting. Z-pin kev twb kev txuas: siv Z-pin technology, unidirectional composite cov ntaub ntawv yog extruded rau hauv nyias rods (feem ntau hu ua Z-pin) thiab pinned rau hauv uncured prepreg los yog fiber ntau preform. Tom qab kho, Z-pin tsim ib qho "anchored" Z-kev taw qhia qhov cuab lub zog. Hybrid kev twb kev txuas: ob qho tib si nplaum kev twb kev txuas thiab mechanical kev twb kev txuas yog saws. Curing: cov txheej txheem uas cov resin yog rhuab los yog reacted nrog curing tus neeg sawv cev, thiab sab hauv cross-linking cov tshuaj tiv thaiv tshwm sim, thiab cov resin hloov los ntawm cov mos mos mus rau tawv kho cov ntaub ntawv. Co curing: ob qhov sib xyaw carbon fiber ntau txuas nrog kev kho ib txhij. Curing kub: qhov kub ntawm cov tshuaj tiv thaiv curing tshwm sim yog qhov curing kub. Tsawg kub curing: feem ntau 60-80degreecuring yog tsis kub curing. Nruab nrab kub curing: feem ntau 120-130degreecuring yog nruab nrab kub curing. Kub curing: feem ntau, kho siab tshaj 150degreeyog kub curing. Kev laus: thaum lub sij hawm siv cov ntaub ntawv polymer, vim muaj kev ua tiav ntawm ib puag ncig xws li cua sov, oxygen, dej, lub teeb, kab mob thiab tshuaj nruab nrab, cov tshuaj muaj pes tsawg leeg thiab cov qauv ntawm cov ntaub ntawv polymer yuav hloov pauv, thiab cov khoom ntawm lub cev yuav hloov. deteriorate raws li, xws li hardening, tackiness, embrittlement, discoloration thiab poob ntawm lub zog. Cov kev hloov pauv thiab qhov tshwm sim no yog hu ua kev laus, Lub ntsiab lus ntawm polymer aging yog qhov kev hloov ntawm nws lub cev lossis cov qauv tshuaj. Lamination: txheej txheem ntawm laminating composite cov ntaub ntawv txheej los ntawm txheej los ntawm unidirectional daim hlau. Structure Cheebtsam: cov khoom siv los nqa cov khoom thauj, uas yog cov khoom siv hauv tsev. Ib txheej pawg thawj coj saib: cov txheej txheem yooj yim ntawm cov khoom siv fiber ntau txuas ntxiv. Laminate: ib txheej laminate stacked txheej los ntawm txheej siv ib txheej txheej board. Ply lub kaum sab xis: lub kaum sab xis ntawm unidirectional fiber ntau ply kev taw qhia thiab lub ntsiab axis kev taw qhia ntawm cov khoom sib xyaw. Ply ratio: qhov sib piv ntawm cov fiber ntau plies nyob rau hauv ib tug tej yam kev taw qhia rau tag nrho cov xov tooj ntawm plies. Stiffener phaj: nyob rau hauv cov qauv tsim, lub stiffener yog siv nyob rau hauv cov kev taw qhia perpendicular mus rau lub vaj huam sib luag los txhim kho lub peev xwm ntawm lub vaj huam sib luag thiab tag nrho cov qauv. Lub stiffener thiab lub vaj huam sib luag yog ib qho qauv tsim, los yog txuas ua ke los ntawm cementation los yog vuam. iav hloov kub: iav hloov kub yog hais txog qhov kub thiab txias sib haum mus rau kev hloov pauv ntawm lub xeev siab elastic mus rau lub xeev iav los yog iav lub xeev mus rau lub xeev siab elastic. Interface: feem ntau yog hais txog thaj chaw sib txuas ntawm cov pa roj carbon fiber ntau thiab matrix Degumming: qhov tshwm sim uas cov khoom siv nrog cov kua nplaum los yog cov nplaum nplaum txuas rau nws qhov chaw ntog tawm vim yog sab nraud lossis sab hauv yog hu ua degumming. Delamination: vim lub zog tsis muaj zog ntawm cov txheej txheej ntawm cov phaj laminated, kev sib cais ntawm cov khaubncaws sab nraud povtseg tshwm sim hauv kev ntxhov siab. Lub hnab xovxwm molding: lub hnab xovxwm molding yog hais txog ib txoj hauv kev sib npaug ntawm cov yas uas muaj zog ntawm cov pwm nruj thiab lub hnab elastic los ua ib feem los ntawm kev tau txais cov kua dej siab nrog kev pab ntawm lub hnab yas zaj duab xis. Autoclave: Raws li lub autoclave yog lub nkoj siab, nws cov qauv siv yog lub tog raj kheej nrog ib kawg kaw thiab lwm qhov kawg qhib, uas muab lub hauv paus rau kev sib cog lus thiab kho cov khoom sib xyaw ua ke.
