Lub luag haujlwm ntawm carbon fiber hauv kev lag luam tsheb
Txawm hais tias kev txhim kho cov khoom uas twb muaj lawm lossis tsim cov khoom tshiab tag nrho, kev xaiv cov khoom siv hauv lub cev yog qhov tseem ceeb heev rau tus tsim tsheb,
Composites yog qhov thib ob loj tshaj plaws ntawm cov ntaub ntawv tom qab ferrous hlau thiab alloys (68 feem pua ntawm cov tsheb hnyav) thiab muaj ntau yam kev siv hauv kev lag luam tsheb. Cov yas yog siv rau hauv cov khoom siv sab hauv, qhov rooj thiab lub rooj sib txoos, thiab suav txog kwv yees li 50 feem pua ntawm cov tsheb lag luam. Kev siv cov yas tau hloov zuj zus mus rau lub sijhawm, thiab cov yas thaum ntxov tau siv vim lawv cov khoom siv kho tshuab zoo, zoo nkauj zoo nkauj, nws tus kheej-xim, thiab lwm yam. Tab sis tam sim no, cov yas feem ntau yog siv hauv tsheb, suav txog li 10-15 feem pua. tag nrho lub tsheb hnyav, vim lawv lub teeb yuag, durability, toughness, saj zawg zog tsim, corrosion kuj, siab ua hauj lwm thiab tsis tshua muaj nqi.
Cov cuab yeej siv thev naus laus zis tshiab tshaj plaws muaj txiaj ntsig zoo dua li cov khoom siv hauv kev lag luam tsheb. Niaj hnub no, composites yog ib qho khoom cog lus rau ntau daim ntawv thov. Fiber ntau ntxiv cov khoom siv yas yog cov khoom siv cov teeb tsa uas muaj ntau yam zoo rau kev lag luam tsheb vim lawv lub zog qis thiab muaj peev xwm txo lub tsheb yuag. Composites yog cov kev hloov zoo tshaj plaws rau cov qauv hlau uas nqus cov kev cuam tshuam lub zog hauv kev siv tsheb thiab tub rog vim kev txhim kho kev ua haujlwm zoo, muaj peev xwm nqus tau lub zog, lub teeb yuag thiab corrosion kuj. Kev tiv thaiv corrosion zoo heev thiab lwm yam khoom siv tshuaj lom neeg tuaj yeem pab cov neeg tsim khoom txuas ntxiv lub neej ntawm tus kheej cov khoom thiab tag nrho cov tsheb. Kev txhim kho hauv kev tsim tsheb, hloov cov kev cai tswj hwm, tsom rau kev ruaj khov, thiab kev siv cov khoom siv hnyav hauv tsheb tau ua rau muaj kev loj hlob loj hauv cov khoom yas hauv kev lag luam tsheb. Cov yas tuaj yeem raug molded rau hauv cov geometries nyuaj los ntawm cov khoom siv txuas ntxiv dua tshiab thiab muaj ntau yam polymers, uas ua rau lawv yooj yim los hloov hauv ntau qhov chaw thiab yooj yim rau haum rau cov khoom siv tseem ceeb. Kev nce hauv kev siv cov yas thiab nws daim ntawv thov nyob rau hauv lub tsheb sab nrauv thiab sab hauv cov khoom tau piav qhia hauv daim duab.
Carbon fiber yog hais txog cov khoom ua los ntawm carbon atoms teem rau hauv elongated crystals thiab woven rau hauv ntaub. Npuag ua ke nrog epoxy resin tuaj yeem ua tau zoo li yuav luag txhua yam uas tsis tuaj yeem tsim nrog cov khoom siv ib txwm siv, yog li kev lag luam tsheb tau pib siv cov pa roj carbon fiber ntau los tsim cov khoom muaj zog, sib zog ua kom nrawm, txhim kho aerodynamics thiab roj efficiency. Carbon Fiber Reinforced Plastic (CFRP) yog cov khoom siv ruaj khov, hnav, kim, tab sis thaum siv los ua lub cev, nws yog ntau dua 50 feem pua sib dua li lub cev hlau thiab 30 feem pua sib dua li lub cev txhuas. Nws muaj ntau qhov zoo ntawm cov khoom siv hlau, tensile lub zog, lub teeb yuag, tshuaj tiv thaiv, kub tsis kam, thiab thermal expansion, ua rau nws tsim nyog rau daim ntawv thov uas yuav tsum tau load-bearing lug, Nws tsim complex duab thiab qhov chaw Manufacturability thiab siab tensile thiab compressive. Lub zog ntawm CFRP ua rau CFRP muaj peev xwm hloov cov khoom siv ib txwm muaj xws li hlau hauv ntau daim ntawv thov, xws li lub cev vaj huam sib luag, ncua kev kawm ntawv, kauj, nres (carbon fiber reinforced silicon carbide), thiab lwm yam khoom siv. CFRP tseem tsuas yog siv rau cov khoom tsis yog cov qauv thiab cov khoom zoo nkauj, tab sis nyob rau hauv kaum xyoo dhau los tau muaj kev vam meej hauv cov qauv siv thiab muaj peev xwm tsim cov qauv chassis, bumpers, cav mounts, ru tsev panels, rear Fenders, hood thiab stiffener qauv. .
Raws li tuaj yeem pom los ntawm daim duab, xyoo 2012, kev lag luam tsheb suav nrog 5 feem pua ntawm kev siv cov pa roj carbon fiber ntau thoob ntiaj teb (2150 tons), thiab txuas ntxiv mus rau xyoo tom ntej. Qhov laj thawj yog vim li cas cov kev hloov pauv hauv kev cai lij choj thiab cov neeg siv khoom nyiam yog yuam cov neeg tsim khoom siv cov pa roj carbon fiber ntau los tsim cov tsheb siv lub teeb uas siv roj tau zoo thiab tso pa roj carbon tsawg dua thaum siv. Raws li 2013 thoob ntiaj teb CRP kev lag luam kwv yees, kev siv carbon fiber ntau hauv kev lag luam tsheb yuav tsum loj hlob li ntawm 34 feem pua txhua xyoo, mus txog ze li ntawm 23, 000 tons los ntawm 2020.
Cov ntaub ntawv sib xyaw muaj peev xwm thiab muaj peev xwm zoo heev rau kev tsim cov khoom siv tsheb sib sib zog nqus thiab cov qauv. Carbon Fiber Reinforced Plastics (CFRP), uas muaj cov khoom ncaj qha ntsig txog cov kev xav tau ntawm kev lag luam tsheb, twb ua rau muaj kev cuam tshuam, uas tseem siv nws los ua lub cev thiab lwm yam khoom siv hauv tsheb. Thaum cov yas thiab cov khoom sib xyaw ua ke tuaj yeem yog ib feem ntawm cov kev daws teeb meem loj rau cov neeg tsim khoom, cov nqi ua haujlwm ntawm cov fibers no siab dhau lawm, thiab kev tshawb fawb los tsim cov fibers thiab cov khoom sib xyaw ua ke tau ua rau muaj kev txaus siab rau kev lag luam, uas tau ua rau kev loj hlob ntawm cov tsheb loj lub cev. . Nws tuaj yeem siv fiber ntau hauv nruab nrab thiab loj. Pab txo qhov hnyav thiab txhim kho tsheb roj efficiency.
