Cov roj carbon fiber ntau feem ntau nrog epoxy resin tsim ib cov khoom sib xyaw. Cov khoom siv sib xyaw cuab tam muaj ntau yam zoo xws li lub zog, qhov tshwj xeeb, txoj kev qaug zog thiab lub zog tsis haum thiab poob siab ntawm cov roj carbon nws tus kheej. Nyob rau tib lub sijhawm, nws inherits epoxy. Kev tsim qauv mis nyuj yog siv tau thiab hloov ntau yam, thiab daim ntawv thov no tau tsom. Piv nrog aluminium alloy yam ntxwv, qhov nyhav txo cov nyhuv ntawm carbon fiber ntau yuav ncav cuag li 20% mus rau 40%. Muab piv rau cov hlau phom, qhov nyhav nyhav nyhav nyhav ntawm cov khoom siv roj khoob muaj peev xwm siab txog 60% mus rau 80%. Siv cov khoom siv roj ntau ntawm cov ntaub ntawv Tsis tsuas yog nws txo qhov kev tsheb ntawm tag nrho cov tsheb, tab sis nws tau cuam tshuam thiab hloov lub tsheb tsim txoj kev qee yam.
Ntaus hom
Carbon Fiber Reinforced Polymers (CFRP) hais txog cov khoom siv los ntawm kev sib txuas cov pa roj carbon fiber ntau ua ib theem ntxiv nrog cov thermoplastic lossis thermosetting cob ntaub ntawv. Cov kev tsim technology ntawm CFRP composites mas yog cov txheej txheem prepreg thiab cov txheej txheem ua kua. Qhov sib piv ntawm cov txheej txheem hom carbon fiber reinforced polymer matrix composites muaj nyob rau hauv Table 1.
2 Automotive qhov chaw txuas tshuab sib txuas
Lub rooj sib txoos ua ke ntawm nruab nrab ntawm cov tsheb sib txuas thiab qhov kev sib txuas ntawm cov khoom nruab nrab thiab cov tshuab hlau yog qhov teeb meem tsis pom kev. Cov khoom sib xyaw yog anisotropic, interlayer muaj zog tsawg kuj, thiab cov ductility yog me me, uas ua rau cov tsim thiab kev ntsuam xyuas ntawm cov pob qij txha ntau ntau dua cov hlau. Qhov kev txuas ntawm cov khoom siv hlau ntawm cov tsheb ua lag luam tsis muaj feem xyuam rau cov ntaub ntawv sib xyaw. Kev sib txuas, yog li ntawd, nws yog qhov tseem ceeb rau kev nkag siab thiab txhim kho txoj hauv kev uas muaj tsheb ua ke nrog thiab ruaj khov.
Qhov kev nyuab siab hauv zos yog los ntawm qhov ua tiav ntawm cov fibers tawg. Cov pob txha txhaws pob zeb feem ntau yog qhov sib txuas zais rau hauv tus qauv zuag qhia tag nrho, yog li ua kom lub zog sib zog ua ke yog tus yuam sij ua ke ntawm cov qauv tsim. Cov khoom sib xyaw cov ntaub ntawv tau muab faib ua peb pawg, namely, cov pob yas qij txha, cov pob txha, cov pob qij, thiab cov pob zeb sib txuas ntawm ob qho. Rau cov thermoplastic composites, kuj muaj cov tshuab kev siv welding. Kev tsim tsim kev tsim cov cuab yeej tsim nyog yuav tsum tau txiav txim siab raws li kev siv cov kev cai thiab cov qauv tsim.
2.1 kua nplaum qhov txuas
Piv nrog rau qhov sib txuas sib txuas, qhov tseem ceeb ntawm kev sib txuas ntawm cov cuab yeej siv yog qhov tsis muaj kev nyuab siab vim lub qhov qhib, qhov zoo tshaj plaws yog txo, kev qaug zog, qhov kev ywj pheej thiab lub rwb thaiv tsev zoo, du, cov txheej txheem ua ke yog yooj yim, thiab tsis muaj teeb meem hluav taws xob hauv hluav taws xob. Txawm li cas los xij, cov cuab yeej ua ke kuj muaj qee qhov kev tsis txaus siab, xws li kev nyuaj ntawm kev tiv thaiv ntawm tsevneeg, loj dispersion ntawm bonding zog, tsis muaj kev txhim kho kev txhim kho, cov cai nruj heev rau kev kho deg thiab tsevneeg sib txuas ntawm qhov sib dhos. Rau carbon fiber ntau lub cev, kua nplaum yog qhov sib txuas loj.
2.2 Kev sib txuas lus txhua yam
Kev sib txuas lus txhua zaus feem ntau siv rivets thiab bolts thiab yog hom kev txuas tshaj plaws. Qhov loj ntawm qhov kev sib txuas ntawm qhov kev sib txuas yog qhov kev ruaj siab ntawm kev sib txuas, rov qab sib koom tes thiab sib txig thaum kev txij nkawm lossis hloov, qhov yuav tsum tau mus nrog qhov chaw, thiab qhov cuam tshuam ntawm ib puag ncig yog ib qho me me. Lub cev tsis zoo ntawm kev sib koom tes yog tias nws ua rau qhov zoo dua, ua kom muaj kev nyuab siab, thiab ua rau hluav taws xob tua hluav taws xob hauv kev sib txuas nrog lub composite. Kev sib piv ntawm qhov kev sib txuas ntawm kev sib txuas thiab kev sib txuas qhov rhiav yog muaj nyob hauv daim duab 1.
2.3 Mixed connection
Yuav kom txhim kho txoj kev nyab xeeb thiab kev ruaj ntseg ntawm kev sib txuas, hauv qee qhov kev sib txuas kev sib txuas, kev sib txuas ntawm cov kua nplaum thiab kev sib txuas kev sib txuas feem ntau yog siv tib lub sij hawm, thiab qhov zoo ntawm ob qhov kev sib txuas ua ke tau siv kom txaus lub zog thiab kev sib txuas siab. kev ntseeg tau.
2.4 Welding
Vuam siv tshuab yog siv rau thermoplastic cais qhov chaw. Lub hauv paus ntsiab lus tseem ceeb yog kom sov lub txee rau ntawm lub thawv ntawm cov thermoplastic composite, thiab tom qab ntawd haj thiab koom nrog lawv. Nws muaj peb txoj kev welding: ultrasonic vuam, fais induction vuam thiab kuj vuam. Qhov zoo ntawm kev siv welding zoo sib txuas cov nyhuv thiab luv lub voj voog, tsis muaj kev kho qhov chaw, siab sib koom ua ke, tsis muaj kev nyuab siab, thiab lwm yam .; qhov tsis zoo yog tias nws tsis yog yooj yim los rhuav tshem, thiab nws yog ib qho tsim nyog ntxiv cov khoom siv hluav taws xob los sis cov xov hlau. Tsis tas li ntawd, nyob rau hauv txheej txheem molding ntawm cov neeg ua haujlwm hauv cov txheej txheem, cov hlau txuas yuav nkag tau rau hauv cov qhov sib txuas ntawm fiber ntau, thiab cov khoom siv hluav taws xob thiab cov hlau ntim cov khoom sib xyaw ua ke tom qab lub moulding, thiab cov khoom sib xyaw ua ke yuav txuas nrog cov hlau ntim tivthaiv kom tsis txhob lam ua cov tshuab puas.
3 Daim ntawv zoo rau cov tsheb
Muaj ntau lub tswv yim yuav tsum tau xav txog thaum xaiv cov khoom siv hauv tsheb, xws li cov khoom siv dag zog, kev hnyav, cov khoom ruaj khov, cov khoom tsim, thiab kev ua haujlwm. Txhua yam yuav muaj feem cuam tshuam txog kev tsim, kev tsim khoom, kev muag khoom thiab kev siv ntawm lub tsheb. Nyob rau hauv xyoo tas los, Carbon Fiber Reinforced Polymers (CFRP) tau dhau los ua cov khoom siv tshiab nrog nws cov kev coj ua tshwj xeeb. Cov kab mob carbon fiber reinforced polymer matrix composites muaj cov nram qab no zoo dua lwm yam khoom siv hauv tsheb.
3.1 Cov khoom siv zoo heev
Cov carbon fiber reinforced resin matrix composite (CFRP) muaj qhov ceev ntawm 1.5 rau 2 g / cm3, uas yog tsuas yog 1/4 rau 1/5 ntawm cov pa roj carbon zoo, thiab yog li 1/3 ntais dua aluminium alloy, tab sis carbon fiber Cov khoom sib xyaw Cov khoom sib xyaw cuab yeej ua tau zoo dua li cov xim ntawm cov khoom siv hlau, thiab lub zog tensile yog 3 txog 4 npaug ntawm cov hlau. Lub zog ntawm cov hlau thiab aluminium yog 30% rau 50% ntawm lub zog tensile, thaum CFRP nce mus txog 70% mus rau 80%. Nyob rau tib lub sijhawm, CFRP kuj muaj kev vibration cov yam ntxwv zoo dua li lub teeb hlau. Piv txwv, lub teeb alloy xav tau 9s kom tsis txhob muaj kev vibration. Cov khoom siv hluav taws roj carbon fiber ntau yuav tsum nres li 2 vib nas this, thiab qhov tshwj xeeb muaj zog thiab ib qho kev siv modulus siab.
3.2 Tsim tau
Cov nplaum carbon cov khoom muaj muaj zog, thiab tuaj yeem xaiv cov khoom tsim nyog raws li qhov yuav tsum tau ua, tsim cov txheej txheem ntawm daim fibers thiab tus qauv ntawm cov khoom siv sib xyaw, thiab siv tus qauv tsim. Piv txwv, yog npaj cov pa roj carbon fiber ntau los ntawm kev quab yuam, lub anisotropy ntawm lub zog ntawm cov khoom siv puas yuav siv tau, kom ua tiav lub hom phiaj ntawm kev txuag khoom thiab txo qhov zoo. Rau cov khoom uas yuav tsum tau ua kom tsis muaj corrosion, lub hauv paus khoom uas muaj kev txhim kho corrosion kuj xaiv tau los tsim.
3.3 Kev tsim muaj txuam nrog ua tau
Modularity thiab kev koom ua ke kuj yog ib txoj kev loj hlob ntawm kev kho tsheb. Cov khoom sib xyaw yog yooj yim rau daim ntawv nkhaus ntawm ntau daim duab thaum lub sij hawm molding, ua kom muaj kev tsim tawm ntawm kev tsav tsheb. Integrated molding tsis tsuas yog txo qhov tsawg ntawm qhov chaw thiab tus nab npawb ntawm cov pwm, txo qhov tsawg ntawm qhov chaw thiab lwm cov kev, tab sis kuj zoo heev txo lub voj voog ntau lawm. Piv txwv, yog hais tias cov lus xaus hauv qab ntawm lub tsheb ua los ntawm carbon fiber ntau cov khoom, nws muaj peev xwm paub ntau yam kev molding, tsis txhob muaj kev nyuab siab rau lub zos los ntawm cov khoom siv tom qab thiab tom qab ua cov hlau, thiab kev txhim kho kev ua tau zoo. Kev zoo, txo cov nqi raug tsim.
3.4 Kev nqhis hluav taws xob thiab kev ua haujlwm tsis zoo
Cov roj carbon fiber reinforced resin matrix composite (CFRP) muaj ib yam viscoelasticity, thiab muaj lub suab me me sib luag ntawm cov roj fiber ntau thiab hauv matrix, uas yuav ua rau interfacial txhuam. Nyob rau hauv kev ua haujlwm ntawm kev sib raug zoo thiab kev sib txuam ntawm kev sib txuam, CFRP qhov chaw muaj lub zog zoo dua qub thiab kev cuam tshuam tsis zoo. Ntawm lwm tes, qhov tshwj xeeb tshaj yog woven carbon fiber ntau kev sib tsoo energy absorbing qauv ua rau tawg tsam me me nyob rau hauv kev sib tsoo ceev, absorbs ib tug loj npaum li cas lub zog, thiab nws lub zog nqus peev yog 4 mus rau 5 lub sij hawm siab dua li cov khoom hlau, uas tuaj yeem txhim kho lub tsheb. Kev ruaj ntseg los tiv thaiv cov neeg muaj kev ruaj ntseg.
3.5 Cov kev txhim kho corrosion zoo
Cov roj fiber ntau reinforced polymer matrix composite khoom yog tsim los ntawm cov carbon fiber ntau thiab cob khoom, thiab muaj tshuaj tsw qab zoo thiab alkali. Lub tsheb uas tsim los ntawm tib yam tsis tas yuav tsum tau kho cov tshuaj anticorrosion, thiab muaj cua tsis zoo thiab kev laus ua haujlwm, thiab lub neej txoj haujlwm feem ntau Nws yog 2 mus rau 3 zaug ntawm cov hlau.
3.6 Ua kom zoo dua qub
Cov roj carbon ntau muaj ib qho kev ruaj khov heev hauv qab no 400 ° C thiab tsis hloov ntau ntawm 1 000 ° C.
3.7 Kev qaug zog ua haujlwm zoo
Cov khoom siv roj carbon fiber reinforced cov khoom muaj hindrance rau qhov hnyav tawg loj hlob ntawm cov fiber, thiab nws txoj kev qaug zog tuaj yeem ncav 70% mus rau 80%. Cov qauv ntawm cov roj fiber ntau ruaj khov, thiab lub zog ntawm cov ntaub ntawv puas tom qab lub voj voog ntawm txoj kev nyuab siab nkees yog tsheej lab ntawm cov sij hawm. Tseem muaj 60%, thaum cov hlau thiab txhuas yog 40% thiab 30% feem pua, thiab FRP tsuas yog 20% mus rau 25%. Yog li, qhov qaug zog ntawm cov roj carbon fiber ntau yog tsim rau ntau hom kev siv hauv kev lag luam automotive.
4 Kev soj ntsuam ntawm kev lag luam tshiab neeg caij tsheb
Vim qhov kev siv carbon fiber ntau, qhov nyhav ntawm lub cev yuav raug txo los ntawm ntau tshaj 50%. Noj cov poob ntawm 100 kg ntawm qhov raug A-class qauv ua piv txwv, qhov nyhav ntawm tag nrho cov tsheb yog qhov cuab kev heev. Nws tuaj yeem raug muab piav qhia los ntawm cov hauv qab no: 1 rau 1 Kev tsav tsheb nrog kev tsav tsheb ntawm 300km thiab kev siv zog ntawm 45kW · h, kev tsav tsheb tib yam yuav raug txo los ntawm 3.6kW · h los ntawm cov kws khomob tshwjxeeb "100kg per kev hnyav hnyav thiab nce ntawm 8% tsav tsheb ". Tus nqi hluav taws xob txuag yog li 0.6 lab yuan; 2, nrog rau lub neej voj voog ntawm 400,000 kislas thiab tus nqi hluav taws xob nruab nrab ntawm 0.9 yuan / kW · h, tus nqi hluav taws xob yuav raug cawm tau hauv lub neej ntawm 400,000 / 100 × 1.2 × 0.9 = 0.32 lab yuan. 100km txuag 1.2kW · h xam khib nyiab); 3 Vim tias cov ntaub ntawv ntawm cov ntawv nyeem carbon fiber, siv cov qauv ntawm 50,000 lub tsheb, piv txwv li, kev txuag nyiaj nyob hauv tshuab thiab cov cuab yeej siv yog hloov mus rau kev sib npaug ntawm cov tsheb fais fab, hauv txhua lub tsheb. Amortization yuav cawm tau txog 2,000 yuan; 4 vim hais tias tus txheej txheem yog cov neeg tau txais kev ncaj ncees, cov neeg ua haujlwm raug them tsawg tshaj 1,000 yuan / Taiwan.
Nyob rau hauv tag nrho, qhov nruab nrab nqi rau ib lub tsheb yog 0.6 + 0.432 + 0.2 + 0.1 = 1.33 lab, tab sis cov nqi tsis txaus kom offset nce ntawm tus nqi ntawm cov khoom nws tus kheej vim hais tias cov kev qhia txog carbon fiber. Nws tuaj yeem pom tau tias daim ntawv thov ntawm cov roj carbon fiber tseem muaj teeb meem loj. Yog tias koj xav txhawb lub cev, koj tuaj yeem pib los ntawm kev txo cov peev hauv tshuab thiab cuab yeej siv. Nyob rau hauv tag nrho, qhov nruab nrab nqi rau ib lub tsheb yog 0.6 + 0.432 + 0.2 + 0.1 = 1.33 lab, tab sis cov nqi tsis txaus kom offset nce ntawm tus nqi ntawm cov khoom nws tus kheej vim hais tias cov kev qhia txog carbon fiber. Nws tuaj yeem pom tau tias daim ntawv thov ntawm cov roj carbon fiber tseem muaj teeb meem loj.
Yog tias koj xav txhawb lub cev, koj tuaj yeem pib los ntawm kev txo cov peev hauv tshuab thiab cuab yeej siv.
Yog tias lub tsheb pom cov qauv roj carbon fiber ntau, cov nqi carbon fiber ntau nws kuj tseem yuav poob, thiab tag nrho txoj kev lag luam yuav loj heev, thiab cov txiaj ntsim kev pabcuam nyiaj txiag yuav dhau los ua ntau dua. Cov no tsuas yog soj ntsuam los ntawm cov kev xav ntawm carbon fiber. Yog tias peb xav tias qhov zoo tshaj ntawm kev txo qhov hnyav ntawm lub txhuas lub cev los ntawm 50kg, qhov kev khwv nyiaj txiag yog qhov tseeb.
5 rau txoj kev loj hlob ntawm lub cev
Pom cov qauv ntawm cov roj carbon fiber reinforced composite cov ntaub ntawv, cov ntaub ntawv yog maj los ntawm cov neeg tsav tsheb. Nws yog kwv yees hais tias nyob rau hauv cov tsheb sector, carbon fiber pab siv zuj zus ntawm qhov nruab nrab txhua xyoo ntawm 34% thiab yuav mus txog 23,000 tons los ntawm 2020. Daim duab 2 yog ib txoj hauv kev rau txoj kev loj hlob ntawm cov roj carbon fiber reinforced composites rau lub cev.
Tam sim no, carbon fiber reinforced composite cov ntaub ntawv yog siv rau lub cev, cov hniav ntawm cov hniav thiab cov tswv cuab hauv lub cev. Piv txwv, BMW tau siv cov kua carbon fiber ntau los ua kom lub cev muaj zog hauv ntau hom qauv nws tau tsim, uas tau dhau los ua lub sijhawm tseem ceeb rau carbon fiber ntau hauv kev tsim tsheb. Nyob rau tib lub sijhawm, BMW tau koom tes ntxiv nrog SGL (SGL) los sib piv cov nqi 100 lab euros los tsim cov nqi qis qis dua thiab nce carbon fiber ntau ntawm 3,000 tons ntawm ib xyoos mus rau 9000 tons mus ntsib tus pheej loj BMW i-series electric tsheb thiab lwm tus. Qhov kev thov rau cov qauv.
6 Xaus
Hauv daim ntawv qhia, carbon fiber reinforced resin matrix composites (CFRP) tau los ua ib qho tseem ceeb ntawm txoj kev loj hlob rau cov tsheb tshiab cov ntaub ntawv yav tom ntej vim lawv qhov kev ua tau zoo. Txawm li cas los xij, yog tias cov khoom siv no yuav tsum tau nce thiab siv nyob rau hauv cov tsheb ua teb, nws yuav tsum pib sib koom tes tshawb nrhiav thiab kev lag luam, kev kawm thiab kev tshawb fawb los ntawm cov nram qab no: 1 ntxiv mus nrhiav tus nqi qis dua carbon fiber; 2 los tsim cov txheej txheem tshiab rau carbon fiber manufacturing, xws li cov qauv ntawm cov ntaub ntawv precursor. 3; optimize carbon fiber manufacturing txheej txheem tsis siv los yog siv cov nano carbon fiber ntau ntxiv rau kev ua tau zoo ntawm CFRP composites; 4 tsim lub CFRP qhov chaw ceev thiab kev siv tshuab moulding tshuab, xws li kev siv tshuab cures ceev, khoom siv khoom siv hluav taws xob; 5 Siv computer simulation analysis technology (CAE) los xaiv cov khoom sib txawv sib txawv ntawm fiber ntau thiab optimize molding txheej txheem tsis.
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XIAMEN LFT COMPOSITE YAS CO., LTD.
Focus on (LFT-G, LFRT) R & D thiab ntau lawm: PA, PP, TPU, PPS, PBT, PPA ntev iav fiber ntau & carbon fiber txuas ntxiv infiltration thermoplastic composite qhov cuab lub zog khoom phais tshuab
Yog tias koj xav tau cov ntaub ntawv ntxiv, thov hu rau kuv.
Mike Lee
Email: sale02@lfrtplastic.com
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